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Author	Yang, Z.Q.; Verbeeck, J.; Schryvers, D.; Tarcea, N.; Popp, J.; Rösler, W.
Title	TEM and Raman characterisation of diamond micro- and nanostructures in carbon spherules from upper soils			Type	A1 Journal article
Year	2008	Publication	Diamond and related materials	Abbreviated Journal	Diam Relat Mater
Volume	17	Issue	6	Pages	937-943
Keywords	A1 Journal article; Electron microscopy for materials research (EMAT)
Abstract	Carbonaceous spherules of millimeter size diameter and found in the upper soils throughout Europe are investigated by TEM, including SAED, HRTEM and EELS, and Raman spectroscopy. The spherules consist primarily of carbon and have an open cell-like internal structure. Most of the carbon appears in an amorphous state, but different morphologies of nano- and microdiamond particles have also been discovered including flake shapes. The latter observation, together with the original findings of some of these spherules in crater-like structures in the landscape and including severely deformed rocks with some spherules being embedded in the fused crust of excavated rocks, points towards unique conditions of origin for these spherules and particles, possibly of exogenic origin. (C) 2008 Elsevier B.V. All rights reserved.
Address
Corporate Author				Thesis
Publisher		Place of Publication	Amsterdam	Editor
Language		Wos	000256940800005	Publication Date	2008-02-14
Series Editor		Series Title		Abbreviated Series Title
Series Volume		Series Issue		Edition
ISSN	0925-9635;	ISBN		Additional Links	UA library record; WoS full record; WoS citing articles
Impact Factor	2.561	Times cited	26	Open Access
Notes	GAO project			Approved	Most recent IF: 2.561; 2008 IF: 2.092
Call Number	UA @ lucian @ c:irua:68518			Serial	3474
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Author	Degutis, G.; Pobedinskas, P.; Turner, S.; Lu, Y.-G.; Al Riyami, S.; Ruttens, B.; Yoshitake, T.; D'Haen, J.; Haenen, K.; Verbeeck, J.; Hardy, A.; Van Bael, M.K.
Title	CVD diamond growth from nanodiamond seeds buried under a thin chromium layer			Type	A1 Journal article
Year	2016	Publication	Diamond and related materials	Abbreviated Journal	Diam Relat Mater
Volume	64	Issue	64	Pages	163-168
Keywords	A1 Journal article; Electron microscopy for materials research (EMAT)
Abstract	This work presents a morphological and structural analysis of CVD diamond growth on silicon from nanodiamond seeds covered by a 50 nm thick chromium layer. The role of carbon diffusion as well as chromium and carbon silicide formation is analyzed. The local diamond environment is investigated by scanning transmission electron microscopy in combination with electron energy-loss spectroscopy. The evolution of the diamond phase composition (sp3/sp2) is evaluated by micro-Raman spectroscopy. Raman and X-ray diffraction analysis are used to identify the interfacial phases formed during CVD growth. Based upon the observed morphological and structural evolution, a diamond growth model from nanodiamond seeds buried beneath a thin Cr layer is proposed.
Address
Corporate Author				Thesis
Publisher		Place of Publication		Editor
Language		Wos	000374608100020	Publication Date	2016-02-20
Series Editor		Series Title		Abbreviated Series Title
Series Volume		Series Issue		Edition
ISSN	0925-9635	ISBN		Additional Links	UA library record; WoS full record; WoS citing articles
Impact Factor	2.561	Times cited	11	Open Access
Notes	The authors acknowledge financial support provided by Research Program FWO G.056.810 and G0044.13N. A.H. and M.K.V.B are grateful to Hercules Foundation Flanders for financial support. P.P. and S.T. are Postdoctoral Fellows of the Research Foundation – Flanders (FWO). The Titan microscope used for this work was partially funded by the Hercules Foundation.			Approved	Most recent IF: 2.561
Call Number	c:irua:133624UA @ admin @ c:irua:133624			Serial	4091
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Author	Deshmukh, S.; Sankaran, K.J.; Srinivasu, K.; Korneychuk, S.; Banerjee, D.; Barman, A.; Bhattacharya, G.; Phase, D.M.; Gupta, M.; Verbeeck, J.; Leou, K.C.; Lin, I.N.; Haenen, K.; Roy, S.S.
Title	Local probing of the enhanced field electron emission of vertically aligned nitrogen-doped diamond nanorods and their plasma illumination properties			Type	A1 Journal article
Year	2018	Publication	Diamond and related materials	Abbreviated Journal	Diam Relat Mater
Volume	83	Issue	83	Pages	118-125
Keywords	A1 Journal article; Electron microscopy for materials research (EMAT)
Abstract	A detailed conductive atomic force microscopic investigation is carried out to directly image the electron emission behavior for nitrogen-doped diamond nanorods (N-DNRs). Localized emission measurements illustrate uniform distribution of high-density electron emission sites from N-DNRs. Emission sites coupled to nano graphitic phases at the grain boundaries facilitate electron transport and thereby enhance field electron emission from N-DNRs, resulting in a device operation at low turn-on fields of 6.23 V/mu m, a high current density of 1.94 mA/cm(2) (at an applied field of 11.8 V/mu m) and a large field enhancement factor of 3320 with a long lifetime stability of 980 min. Moreover, using N-DNRs as cathodes, a microplasma device that can ignite a plasma at a low threshold field of 390 V/mm achieving a high plasma illumination current density of 3.95 mA/cm2 at an applied voltage of 550 V and a plasma life-time stability for a duration of 433 min was demonstrated.
Address
Corporate Author				Thesis
Publisher		Place of Publication	Amsterdam	Editor
Language		Wos	000430767200017	Publication Date	2018-02-07
Series Editor		Series Title		Abbreviated Series Title
Series Volume		Series Issue		Edition
ISSN	0925-9635	ISBN		Additional Links	UA library record; WoS full record; WoS citing articles
Impact Factor	2.561	Times cited	9	Open Access	Not_Open_Access
Notes	; S. Deshmulch, D. Banerjee and G. Bhattacharya are indebted to Shiv Nadar University for providing Ph.D. scholarships. K.J. Sankaran and K. Haenen like to thank the financial support of the Research Foundation Flanders (FWO) via Research Grant 12I8416N and Research Project 1519817N, and the Methusalem “NANO” network. K.J. Sankaran is a Postdoctoral Fellow of the Research Foundation-Flanders (FWO). The Qu-Ant-EM microscope used for the TEM experiments was partly funded by the Hercules fund from the Flemish Government. S. Korneychuk and J. Verbeeck acknowledge funding from GOA project “Solarpaint” of the University of Antwerp. ;			Approved	Most recent IF: 2.561
Call Number	UA @ lucian @ c:irua:151609UA @ admin @ c:irua:151609			Serial	5030
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Author	Deshmukh, S.; Sankaran, K.J.; Korneychuk, S.; Verbeeck, J.; Mclaughlin, J.; Haenen, K.; Roy, S.S.
Title	Nanostructured nitrogen doped diamond for the detection of toxic metal ions			Type	A1 Journal article
Year	2018	Publication	Electrochimica acta	Abbreviated Journal	Electrochim Acta
Volume	283	Issue	283	Pages	1871-1878
Keywords	A1 Journal article; Electron microscopy for materials research (EMAT)
Abstract	This work demonstrates the applicability of one-dimensional nitrogen-doped diamond nanorods (N-DNRs) for the simultaneous electrochemical (EC) detection of Pb2+ and Cd2+ ions in an electrolyte solution. Well separated voltammetric peaks are observed for Pb2+ and Cd2+ ions using N-DNRs as a working electrode in square wave anodic stripping voltammetry measurements. Moreover, the cyclic voltammetry response of N-DNR electrodes towards the Fe(CN)(6)(/4-)/Fe(CN)(6)(/3-) redox reaction is better as compared to undoped DNR electrodes. This enhancement of EC performance in N-DNR electrodes is accounted by the increased amount of sp(2) bonded nanographitic phases, enhancing the electrical conductivity at the grain boundary (GB) regions. These findings are supported by transmission electron microscopy and electron energy loss spectroscopy studies. Consequently, the GB defect induced N-DNRs exhibit better adsorption of metal ions, which makes such samples promising candidates for next generation EC sensing devices. (C) 2018 Elsevier Ltd. All rights reserved.
Address
Corporate Author				Thesis
Publisher		Place of Publication		Editor
Language		Wos	000441077900203	Publication Date	2018-07-21
Series Editor		Series Title		Abbreviated Series Title
Series Volume		Series Issue		Edition
ISSN	0013-4686	ISBN		Additional Links	UA library record; WoS full record; WoS citing articles
Impact Factor	4.798	Times cited	22	Open Access
Notes	Sujit Deshmukh indebted to Shiv Nadar University for providing Ph. D. scholarship. The FEI Quanta SEM and Qu-Ant-EM microscope used for the TEM experiments was partly funded by the Hercules fund from the Flemish Government. S. K. and J. V. acknowledge funding from GOA project “Solarpaint” of the University of Antwerp. Kamatchi Jothiramalingam Sankaran is a Postdoctoral Fellow of the Research Foundation-Flanders (FWO). Prof. Ken Haenen acknowledges the Methusalem “NANO” network for financial support.			Approved	Most recent IF: 4.798
Call Number	UA @ admin @ c:irua:153072			Serial	5366
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Author	Samal, D.; Tan, H.; Takamura, Y.; Siemons, W.; Verbeeck, J.; Van Tendeloo, G.; Arenholz, E.; Jenkins, C.A.; Rijnders, G.; Koster, G.
Title	Direct structural and spectroscopic investigation of ultrathin films of tetragonal CuO: Six-fold coordinated copper			Type	A1 Journal article
Year	2014	Publication	Europhysics letters	Abbreviated Journal	Epl-Europhys Lett
Volume	105	Issue	1	Pages	17003-17005
Keywords	A1 Journal article; Electron microscopy for materials research (EMAT)
Abstract	Unlike other 3d transition metal monoxides (MnO, FeO, CoO, and NiO), CuO is found in a low-symmetry distorted monoclinic structure rather than the rocksalt structure. We report here of the growth of ultrathin CuO films on SrTiO3 substrates; scanning transmission electron microscopy was used to show the stabilization of a tetragonal rocksalt structure with an elongated c-axis such that c/a similar to 1.34 and the Cu-O-Cu bond angle similar to 180 degrees, pointing to metastable six-fold coordinated Cu. X-ray absorption spectroscopy demonstrates that the hole at the Cu site for the CuO is localized in 3d(x2-y2) orbital unlike the well-studied monoclinic CuO phase. The experimental confirmation of the tetragonal structure of CuO opens up new avenues to explore electronic and magnetic properties of six-fold coordinated Cu. Copyright (C) EPLA, 2014
Address
Corporate Author				Thesis
Publisher		Place of Publication	Paris	Editor
Language		Wos	000331197100015	Publication Date	2014-01-30
Series Editor		Series Title		Abbreviated Series Title
Series Volume		Series Issue		Edition
ISSN	0295-5075;1286-4854;	ISBN		Additional Links	UA library record; WoS full record; WoS citing articles
Impact Factor	1.957	Times cited	15	Open Access
Notes	This work was carried out with financial support from the AFOSR and EOARD projects (project No.: FA8655-10-1-3077) and also supported by funding from the European Research Council under the 7th Framework Program (FP7), ERC grant No. 246791 – COUNTATOMS, ERC Starting Grant 278510 VORTEX, Grant No. NMP3-LA-2010-246102 IFOX and an Integrated Infrastructure Initiative, reference No. 312483-ESTEEM2. The Qu-Ant-EM microscope was partly funded by the Hercules fund from the Flemish Government. Advanced Light Source is supported by the Office of Science, Office of Basic Energy Sciences of the U.S. Department of Energy (DOE) under Contract No. DE-AC02-05CH11231. YT acknowledges support from the National Science Foundation (DMR-0747896). WS was supported by the US DOE, Basic Energy Sciences, Materials Sciences and Engineering Division. ECASJO_;			Approved	Most recent IF: 1.957; 2014 IF: 2.095
Call Number	UA @ lucian @ c:irua:115806UA @ admin @ c:irua:115806			Serial	722
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Author	Van Boxem, R.; Verbeeck, J.; Partoens, B.
Title	Spin effects in electron vortex states			Type	A1 Journal article
Year	2013	Publication	Europhysics letters	Abbreviated Journal	Epl-Europhys Lett
Volume	102	Issue	4	Pages	40010-40016
Keywords	A1 Journal article; Electron microscopy for materials research (EMAT); Condensed Matter Theory (CMT)
Abstract	The recent experimental realization of electron vortex beams opens up a wide research domain previously unexplored. The present paper explores the relativistic properties of these electron vortex beams, and quantifies deviations from the scalar wave theory. It is common in electron optics to use the Schrodinger equation neglecting spin. The present paper investigates the role of spin and the total angular momentum J(z) and how it pertains to the vortex states. As an application, we also investigate if it is possible to use holographic reconstruction to create novel total angular momentum eigenstates in a transmission electron microscope. It is demonstrated that relativistic spin coupling effects disappear in the paraxial limit, and spin effects in holographically created electron vortex beams can only be exploited by using specialized magnetic apertures.
Address
Corporate Author				Thesis
Publisher		Place of Publication	Paris	Editor
Language		Wos	000321118600011	Publication Date	2013-06-11
Series Editor		Series Title		Abbreviated Series Title
Series Volume		Series Issue		Edition
ISSN	0295-5075;1286-4854;	ISBN		Additional Links	UA library record; WoS full record; WoS citing articles
Impact Factor	1.957	Times cited	11	Open Access
Notes	312483 Esteem2; N246791 Countatoms; 278510 Vortex; esteem2jra1; esteem2jra3 ECASJO_;			Approved	Most recent IF: 1.957; 2013 IF: 2.269
Call Number	UA @ lucian @ c:irua:109852			Serial	3087
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Author	Bhat, S.G.; Gauquelin, N.; Sebastian, N.K.; Sil, A.; Béché, A.; Verbeeck, J.; Samal, D.; Kumar, P.S.A.
Title	Orthorhombic vs. hexagonal epitaxial SrIrO₃ thin films : structural stability and related electrical transport properties			Type	A1 Journal article
Year	2018	Publication	Europhysics letters	Abbreviated Journal	Epl-Europhys Lett
Volume	122	Issue	2	Pages	28003
Keywords	A1 Journal article; Electron microscopy for materials research (EMAT)
Abstract	Metastable orthorhombic SrIrO3 (SIO) is an arch-type spin-orbit coupled material. We demonstrate here a controlled growth of relatively thick (200 nm) SIO films that transform from bulk “6H-type” structure with monoclinic distortion to an orthorhombic lattice by controlling growth temperature. Extensive studies based on high-resolution X-ray diffraction and transmission electron microscopy infer a two distinct structural phases of SIO. Electrical transport reveals a weak temperature-dependent semi-metallic character for both phases. However, the temperature-dependent Hall-coefficient for the orthorhombic SIO exhibits a prominent sign change, suggesting a multiband character in the vicinity of E-F. Our findings thus unravel the subtle structure-property relation in SIO epitaxial thin films. Copyright (C) EPLA, 2018
Address
Corporate Author				Thesis
Publisher		Place of Publication	Paris	Editor
Language		Wos	000435517300001	Publication Date	2018-06-18
Series Editor		Series Title		Abbreviated Series Title
Series Volume		Series Issue		Edition
ISSN	0295-5075	ISBN		Additional Links	UA library record; WoS full record; WoS citing articles
Impact Factor	1.957	Times cited	4	Open Access	Not_Open_Access
Notes	; SGB and DS acknowledge useful discussions with E. P. Houwman, University of Twente, on X-ray diffraction. DS would like to thank H. Takagi, Max-Planck Institute for Solid State Research, Stuttgart, for the fruitful discussion on the transport properties of SIO thin films. SGB and NKS thank A. Aravind, Bishop Moore College, Mavelikara, for his valuable inputs while depositing the thin films of SIO. SGB, NKS and PSAK acknowledge Nano Mission Council, Department of Science & Technology, India, for the funding. DS acknowledges the financial support from Max-Planck Society through MaxPlanck Partner Group. NG, AB and JV acknowledge funding from GOA project “Solarpaint” of the University of Antwerp and FWO project G093417N. ;			Approved	Most recent IF: 1.957
Call Number	UA @ lucian @ c:irua:152074UA @ admin @ c:irua:152074			Serial	5034
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Author	Monico, L.; Rosi, F.; Vivani, R.; Cartechini, L.; Janssens, K.; Gauquelin, N.; Chezganov, D.; Verbeeck, J.; Cotte, M.; D'Acapito, F.; Barni, L.; Grazia, C.; Buemi, L.P.; Andral, J.-L.; Miliani, C.; Romani, A.
Title	Deeper insights into the photoluminescence properties and (photo)chemical reactivity of cadmium red (CdS_1-xSe_x) paints in renowned twentieth century paintings by state-of-the-art investigations at multiple length scales			Type	A1 Journal article
Year	2022	Publication	The European Physical Journal Plus	Abbreviated Journal	Eur Phys J Plus
Volume	137	Issue	3	Pages	311
Keywords	A1 Journal article; Electron microscopy for materials research (EMAT); Antwerp X-ray Imaging and Spectroscopy (AXIS)
Abstract	Cadmium red is the name used for denoting a class of twentieth century artists' pigments described by the general formula CdS1-xSex. For their vibrant hues and excellent covering power, a number of renowned modern and contemporary painters, including Jackson Pollock, often used cadmium reds. As direct band gap semiconductors, CdS1-xSex compounds undergo direct radiative recombination (with emissions from the green to orange region) and radiative deactivation from intragap trapping states due to crystal defects, which give rise to two peculiar red-NIR emissions, known as deep level emissions (DLEs). The positions of the DLEs mainly depend on the Se content of CdS1-xSex; thus, photoluminescence and diffuse reflectance vis-NIR spectroscopy have been profitably used for the non-invasive identification of different cadmium red varieties in artworks over the last decade. Systematic knowledge is however currently lacking on what are the parameters related to intrinsic crystal defects of CdS1-xSex and environmental factors influencing the spectral properties of DLEs as well as on the overall (photo)chemical reactivity of cadmium reds in paint matrixes. Here, we present the application of a novel multi-length scale and multi-method approach to deepen insights into the photoluminescence properties and (photo)chemical reactivity of cadmium reds in oil paintings by combining both well established and new non-invasive/non-destructive analytical techniques, including macro-scale vis-NIR and vibrational spectroscopies and micro-/nano-scale advanced electron microscopy mapping and X-ray methods employing synchrotron radiation and conventional sources. Macro-scale vis-NIR spectroscopy data obtained from the in situ non-invasive analysis of nine masterpieces by Gerardo Dottori, Jackson Pollock and Nicolas de Stael allowed classifying the CdS1-xSex-paints in three groups, according to the relative intensity of the two DLE bands. These outcomes, combined with results from micro-/nano-scale electron microscopy mapping and X-ray analysis of a set of CdS1-xSex powders and artificially aged paint mock-ups, indicated that the relative intensity of DLEs is not affected by the morphology, microstructure and local atomic environment of the pigment particles but it is influenced by the presence of moisture. Furthermore, the extensive study of artificially aged oil paint mock-ups permitted us to provide first evidence of the tendency of cadmium reds toward photo-degradation and to establish that the conversion of CdS1-xSex to CdSO4 and/or oxalates is triggered by the oil binding medium and moisture level and depends on the Se content. Based on these findings, we could interpret the localized presence of CdSO4 and cadmium oxalate as alteration products of the original cadmium red paints in two paintings by Pollock.
Address
Corporate Author				Thesis
Publisher		Place of Publication		Editor
Language		Wos	000765807600002	Publication Date	0000-00-00
Series Editor		Series Title		Abbreviated Series Title
Series Volume		Series Issue		Edition
ISSN	2190-5444	ISBN		Additional Links	UA library record; WoS full record; WoS citing articles
Impact Factor	3.4	Times cited	3	Open Access	OpenAccess
Notes	g The research was financially supported by the EU FP7 and Horizon 2020 Projects CHARISMA (FP7-INFRASTRUCTURES, GA No. 228330), IPERION-CH (H2020-INFRAIA-2014-2015, GA No. 654028), IPERION-HS (H2020-INFRAIA-2019-1, GA No. 871034) and ESTEEM3 (Research and innovation programme, GA No. 823717) and the Italian project AMIS (Dipartimenti di Eccellenza 2018–2022, funded by MIUR and Perugia University). For the beamtime grants received, we thank ESRF-ID21 (Experiment No. HG156 and in-house beamtimes) and the CERIC-ERIC Research Infrastructure for the investigations at ESRF-BM08 (LISA) beamline (Proposal Id: 20207042). D.C. acknowledges TOP/BOF funding of the University of Antwerp.; esteem3reported; esteem3TA			Approved	Most recent IF: 3.4
Call Number	UA @ admin @ c:irua:187375			Serial	7060
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Author	Chen, B.; Gauquelin, N.; Green, R.J.; Verbeeck, J.; Rijnders, G.; Koster, G.
Title	Asymmetric Interfacial Intermixing Associated Magnetic Coupling in LaMnO3/LaFeO3 Heterostructures			Type	A1 Journal article
Year	2021	Publication	Frontiers in physics	Abbreviated Journal	Front. Phys.
Volume	9	Issue		Pages
Keywords	A1 Journal article; Electron microscopy for materials research (EMAT)
Abstract	The structural and magnetic properties of LaMnO<sub>3</sub>/LaFeO<sub>3</sub>(LMO/LFO) heterostructures are characterized using a combination of scanning transmission electron microscopy, electron energy-loss spectroscopy, bulk magnetometry, and resonant x-ray reflectivity. Unlike the relatively abrupt interface when LMO is deposited on top of LFO, the interface with reversed growth order shows significant cation intermixing of Mn<sup>3+</sup>and Fe<sup>3+</sup>, spreading ∼8 unit cells across the interface. The asymmetric interfacial chemical profiles result in distinct magnetic properties. The bilayer with abrupt interface shows a single magnetic hysteresis loop with strongly enhanced coercivity, as compared to the LMO plain film. However, the bilayer with intermixed interface shows a step-like hysteresis loop, associated with the separate switching of the “clean” and intermixed LMO sublayers. Our study illustrates the key role of interfacial chemical profile in determining the functional properties of oxide heterostructures.
Address
Corporate Author				Thesis
Publisher		Place of Publication		Editor
Language		Wos	000745284500001	Publication Date	2021-12-14
Series Editor		Series Title		Abbreviated Series Title
Series Volume		Series Issue		Edition
ISSN	2296-424X	ISBN		Additional Links	UA library record; WoS full record
Impact Factor		Times cited	1	Open Access	OpenAccess
Notes	This work is supported by the international M-ERA.NET project SIOX (project 4288) and H2020 project ULPEC (project 732642). The X-Ant-EM microscope and the direct electron detector were partly funded by the Hercules fund from the Flemish Government. NG and JV acknowledge funding from GOA project “Solarpaint” of the University of Antwerp. RG was supported by the Natural Sciences and Engineering Research Council of Canada (NSERC). Part of the research described in this paper was performed at the Canadian Light Source, a national research facility of the University of Saskatchewan, which is supported by the Canada Foundation for Innovation (CFI), NSERC, the National Research Council (NRC), the Canadian Institutes of Health Research (CIHR), the Government of Saskatchewan, and the University of Saskatchewan.			Approved	Most recent IF: NA
Call Number	EMAT @ emat @c:irua:185176			Serial	6901
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Author	Vlasov, E.; Denisov, N.; Verbeeck, J.
Title	Low-cost electron detector for scanning electron microscope			Type	A1 Journal article
Year	2023	Publication	HardwareX	Abbreviated Journal	HardwareX
Volume	14	Issue		Pages	e00413
Keywords	A1 Journal article; Electron microscopy for materials research (EMAT)
Abstract	Electron microscopy is an indispensable tool for the characterization of (nano) materials. Electron microscopes are typically very expensive and their internal operation is often shielded from the user. This situation can provide fast and high quality results for researchers focusing on e.g. materials science if they have access to the relevant instruments. For researchers focusing on technique development, wishing to test novel setups, however, the high entry price can lead to risk aversion and deter researchers from innovating electron microscopy technology further. The closed attitude of commercial entities about how exactly the different parts of electron microscopes work, makes it even harder for newcomers in this field. Here we propose an affordable, easy-to-build electron detector for use in a scanning electron microscope (SEM). The aim of this project is to shed light on the functioning of such detectors as well as show that even a very modest design can lead to acceptable performance while providing high flexibility for experimentation and customization.
Address
Corporate Author				Thesis
Publisher		Place of Publication		Editor
Language		Wos	001042486000001	Publication Date	2023-03-10
Series Editor		Series Title		Abbreviated Series Title
Series Volume		Series Issue		Edition
ISSN	2468-0672	ISBN		Additional Links	UA library record; WoS full record; WoS citing articles
Impact Factor		Times cited	1	Open Access	OpenAccess
Notes	The authors acknowledge the financial support of the Research Foundation Flanders (FWO, Belgium) project SBO [Grant No. S000121N]. JV acknowledges funding from the HORIZON-INFRA-2022-TECH-01-01 project IMPRESS [Grant No. 101094299].			Approved	Most recent IF: NA
Call Number	EMAT @ emat @c:irua:195886			Serial	7252
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Author	Abakumov, A.M.; Morozov, V.A.; Tsirlin, A.A.; Verbeeck, J.; Hadermann, J.
Title	Cation ordering and flexibility of the BO₄^2- tetrahedra in incommensurately modulated CaEu₂(BO₄)₄ (B = Mo, W) scheelites			Type	A1 Journal article
Year	2014	Publication	Inorganic chemistry	Abbreviated Journal	Inorg Chem
Volume	53	Issue	17	Pages	9407-9415
Keywords	A1 Journal article; Electron microscopy for materials research (EMAT)
Abstract	The factors mediating cation ordering in the scheelite-based molybdates and tungstates are discussed on the basis of the incommensurately modulated crystal structures of the CaEu2(BO4)(4) (B = Mo, W) red phosphors solved from high-resolution synchrotron powder X-ray diffraction data. Monoclinic CaEu2(WO4)(4) adopts a (3 + 1)-dimensionally modulated structure [superspace group I2/b(alpha beta 0)00, a = 5.238 73(1)A, b = 5.266 35(1) A, c = 11.463 19(9) A, gamma = 91.1511(2)degrees, q = 0.56153(6)a* + 0.7708(9)b, R-F = 0.050, R-p = 0.069], whereas tetragonal CaEu2(MoO4)(4) is (3 + 2)-dimensionally modulated [superspace group I4(1)/ a(alpha beta 0)00(-beta alpha 0)00, a = 5.238 672(7) A, c = 11.548 43(2) A, q(1) = 035331(8)a + 0.82068(9)b, q(2) = -0.82068(9)a + 0.55331(8)b*, R-F = 0.061, R-p = 0.082]. In both cases the modulation arises from the ordering of the Ca/Eu cations and the cation vacancies at the A-sublattice of the parent scheelite ABO(4) structure. The cation ordering is incomplete and better described with harmonic rather than with steplike occupational modulation functions. The structures respond to the variation of the effective charge and cation size at the A-position through the flexible geometry of the MoO42- and WO42- tetrahedra demonstrating an alternation of stretching the B-O bond lengths and bending the O-B-O bond angles. The tendency towards A-site cation ordering in scheelites is rationalized using the difference in ionic radii and concentration of the A-site vacancies as parameters and presented in the form of a structure map.
Address
Corporate Author				Thesis
Publisher		Place of Publication	Easton, Pa	Editor
Language		Wos	000341229600068	Publication Date	2014-08-21
Series Editor		Series Title		Abbreviated Series Title
Series Volume		Series Issue		Edition
ISSN	0020-1669;1520-510X;	ISBN		Additional Links	UA library record; WoS full record; WoS citing articles
Impact Factor	4.857	Times cited	48	Open Access
Notes	Fwo G039211n			Approved	Most recent IF: 4.857; 2014 IF: 4.762
Call Number	UA @ lucian @ c:irua:119292UA @ admin @ c:irua:119292			Serial	297
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Author	Bals, S.; Verbeeck, J.; Van Tendeloo, G.; Liu, Y.-L.; Grivel, J.-C.
Title	Quantitative electron microscopy of (Bi,Pb)₂Sr₂Ca₂Cu₃O_10+\delta/Ag multifilament tapes during initial stages of annealing			Type	A1 Journal article
Year	2005	Publication	Journal of the American Ceramic Society	Abbreviated Journal	J Am Ceram Soc
Volume	88	Issue	2	Pages	431-436
Keywords	A1 Journal article; Electron microscopy for materials research (EMAT)
Abstract	The microstructural and compositional evolution during initial annealing of a superconducting (Bi,Pb)(2)Sr2Ca2Cu3O10+delta/Ag tape is studied using quantitative transmission electron microscopy. Special attention is devoted to the occurrence of Pb-rich liquids, which are crucial for the Bi2Sr2CaCu2O8+delta to (Bi,Pb)(2)Sr2Ca2Cu3O10+delta transformation. Ca and/or Pb-rich (Bi,Pb)(2)Sr2CaCu2O8+delta grains dissolve into a liquid, which reacts with Ca-rich phases to increase the liquid's Ca-content. This leads to (Bi,Pb)(2)Sr2Ca2Cu3O10+delta formation. Apparently, a Ca/Sr ratio of around I is sufficient to keep (Bi,Pb)(2)Sr2Ca2Cu3O10+delta nucleation going. It is confirmed that Ag particles are transported from the Ag-sheath into the oxide core by the liquid and not by mechanical treatment of the tape.
Address
Corporate Author				Thesis
Publisher		Place of Publication	Columbus, Ohio	Editor
Language		Wos	000227510200030	Publication Date	2005-02-16
Series Editor		Series Title		Abbreviated Series Title
Series Volume		Series Issue		Edition
ISSN	0002-7820;1551-2916;	ISBN		Additional Links	UA library record; WoS full record; WoS citing articles
Impact Factor	2.841	Times cited	1	Open Access
Notes				Approved	Most recent IF: 2.841; 2005 IF: 1.586
Call Number	UA @ lucian @ c:irua:54876UA @ admin @ c:irua:54876			Serial	2754
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Author	Palgrave, R.G.; Borisov, P.; Dyer, M.S.; McMitchell, S.R.C.; Darling, G.R.; Claridge, J.B.; Batuk, M.; Tan, H.; Tian, H.; Verbeeck, J.; Hadermann, J.; Rosseinsky, M.J.;
Title	Artificial construction of the layered Ruddlesden-Popper manganite La₂Sr₂Mn₃O₁₀ by reflection high energy electron diffraction monitored pulsed laser deposition			Type	A1 Journal article
Year	2012	Publication	Journal of the American Chemical Society	Abbreviated Journal	J Am Chem Soc
Volume	134	Issue	18	Pages	7700-7714
Keywords	A1 Journal article; Electron microscopy for materials research (EMAT)
Abstract	Pulsed laser deposition has been used to artificially construct the n = 3 Ruddlesden Popper structure La2Sr2Mn3O10 in epitaxial thin film form by sequentially layering La1-xSrxMnO3 and SrO unit cells aided by in situ reflection high energy electron diffraction monitoring. The interval deposition technique was used to promote two-dimensional SrO growth. X-ray diffraction and cross-sectional transmission electron microscopy indicated that the trilayer structure had been formed. A site ordering was found to differ from that expected thermodynamically, with the smaller Sr2+ predominantly on the R site due to kinetic trapping of the deposited cation sequence. A dependence of the out-of-plane lattice parameter on growth pressure was interpreted as changing the oxygen content of the films. Magnetic and transport measurements on fully oxygenated films indicated a frustrated magnetic ground state characterized as a spin glass-like magnetic phase with the glass temperature T-g approximate to 34 K. The magnetic frustration has a clear in-plane (ab) magnetic anisotropy, which is maintained up to temperatures of 150 K. Density functional theory calculations suggest competing antiferromagnetic and ferromagnetic long-range orders, which are proposed as the origin of the low-temperature glassy state.
Address
Corporate Author				Thesis
Publisher		Place of Publication	Washington, D.C.	Editor
Language		Wos	000303696200029	Publication Date	2012-03-30
Series Editor		Series Title		Abbreviated Series Title
Series Volume		Series Issue		Edition
ISSN	0002-7863;1520-5126;	ISBN		Additional Links	UA library record; WoS full record; WoS citing articles
Impact Factor	13.858	Times cited	27	Open Access
Notes	Fwo; Esteem 026019			Approved	Most recent IF: 13.858; 2012 IF: 10.677
Call Number	UA @ lucian @ c:irua:98947UA @ admin @ c:irua:98947			Serial	153
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Author	Schattschneider, P.; Ennen, I.; Stoger-Pollach, M.; Verbeeck, J.
Title	Circular dichroism in the electron microscope: progress and applications (invited)			Type	A1 Journal article
Year	2010	Publication	Journal of applied physics	Abbreviated Journal	J Appl Phys
Volume	107	Issue	9	Pages	09d311,1-09d311,6
Keywords	A1 Journal article; Electron microscopy for materials research (EMAT)
Abstract	According to theory, x-ray magnetic circular dichroism in a synchrotron is equivalent to energy loss magnetic chiral dichroism (EMCD) in a transmission electron microscope (TEM). After a synopsis of the development of EMCD, the theoretical background is reviewed and recent results are presented, focusing on the study of magnetic nanoparticles for ferrofluids and Heusler alloys for spintronic devices. Simulated maps of the dichroic strength as a function of atom position in the crystal allow evaluating the influence of specimen thickness and sample tilt on the experimental EMCD signal. Finally, the possibility of direct observation of chiral electronic transitions with atomic resolution in a TEM is discussed.
Address
Corporate Author				Thesis
Publisher	American Institute of Physics	Place of Publication	New York, N.Y.	Editor
Language		Wos	000277834300276	Publication Date	2010-05-12
Series Editor		Series Title		Abbreviated Series Title
Series Volume		Series Issue		Edition
ISSN	0021-8979;	ISBN		Additional Links	UA library record; WoS full record; WoS citing articles
Impact Factor	2.068	Times cited	28	Open Access
Notes	Esteem			Approved	Most recent IF: 2.068; 2010 IF: 2.079
Call Number	UA @ lucian @ c:irua:83653UA @ admin @ c:irua:83653			Serial	361
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Author	Shapoval, O.; Huehn, S.; Verbeeck, J.; Jungbauer, M.; Belenchuk, A.; Moshnyaga, V.
Title	Interface-controlled magnetism and transport of ultrathin manganite films			Type	A1 Journal article
Year	2013	Publication	Journal of applied physics	Abbreviated Journal	J Appl Phys
Volume	113	Issue	17	Pages	17c711-3
Keywords	A1 Journal article; Electron microscopy for materials research (EMAT)
Abstract	We report ferromagnetic, T-C = 240 K, and metallic, T-MI = 250 K, behaviors of a three unit cell thick interface engineered lanthanum manganite film, grown by metalorganic aerosol deposition technique on SrTiO3(100) substrates. Atomically resolved electron microscopy and chemical analysis show that ultrathin manganite films start to grow with La-O layer on a strongly Mn/Ti-intermixed interface, engineered by an additional deposition of 2 u.c. of Sr-Mn-O. Such interface engineering results in a hole-doped manganite layer and stabilizes ferromagnetism and metallic conductivity down to the thickness of d = 3 u.c. The films with d = 8 u.c. demonstrate a bulk-like transport behavior with T-MI similar to T-C = 310 – 330 K. (C) 2013 American Institute of Physics.
Address
Corporate Author				Thesis
Publisher	American Institute of Physics	Place of Publication	New York, N.Y.	Editor
Language		Wos	000319292800195	Publication Date	2013-03-19
Series Editor		Series Title		Abbreviated Series Title
Series Volume		Series Issue		Edition
ISSN	0021-8979;	ISBN		Additional Links	UA library record; WoS full record; WoS citing articles
Impact Factor	2.068	Times cited	7	Open Access
Notes	Ifox; Countatoms; Vortex; Esteem2; esteem2jra3 ECASJO;			Approved	Most recent IF: 2.068; 2013 IF: 2.185
Call Number	UA @ lucian @ c:irua:109009UA @ admin @ c:irua:109009			Serial	1692
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Author	Maignan, A.; Singh, K.; Simon, C.; Lebedev, O.I.; Martin, C.; Tan, H.; Verbeeck, J.; Van Tendeloo, G.
Title	Magnetic and magnetodielectric properties of erbium iron garnet ceramic			Type	A1 Journal article
Year	2013	Publication	Journal of applied physics	Abbreviated Journal	J Appl Phys
Volume	113	Issue	3	Pages	033905-5
Keywords	A1 Journal article; Electron microscopy for materials research (EMAT)
Abstract	An Er3Fe5O12 ceramic has been sintered in oxygen atmosphere at 1400 °C for dielectric measurements. Its structural quality at room temperature has been checked by combining transmission electron microscopy and X-ray diffraction. It crystallizes in the cubic space group Ia3d with a = 12.3488(1). The dielectric permittivity ([variantgreekepsilon]′) and losses (tan δ) measurements as a function of temperature reveal the existence of two anomalies, a broad one between 110 K and 80 K, attributed to the Er3+ spin reorientation, and a second sharper feature at about 45 K associated to the appearance of irreversibility on the magnetic susceptibility curves. In contrast to the lack of magnetic field impact on [variantgreekepsilon]′ for the former anomaly, a complex magnetic field effect has been evidenced below 45 K. The isothermal [variantgreekepsilon]′(H) curves show the existence of positive magnetodielectric effect, reaching a maximum of 0.14% at 3 T and 10 K. Its magnitude decreases as H is further increased. Interestingly, for the lowest H values, a linear regime in the [variantgreekepsilon]′(H) curve is observed. From this experimental study, it is concluded that the [variantgreekepsilon]′ anomaly, starting above the compensation temperature Tc (75 K) and driven by the internal magnetic field, is not sensitive to an applied external magnetic field. Thus, below 45 K, it is the magnetic structure which is responsible for the coupling between spin and charge in this iron garnet.
Address
Corporate Author				Thesis
Publisher	American Institute of Physics	Place of Publication	New York, N.Y.	Editor
Language		Wos	000313670600042	Publication Date	2013-01-16
Series Editor		Series Title		Abbreviated Series Title
Series Volume		Series Issue		Edition
ISSN	0021-8979;	ISBN		Additional Links	UA library record; WoS full record; WoS citing articles
Impact Factor	2.068	Times cited	15	Open Access
Notes	Vortex; Countatoms ECASJO_;			Approved	Most recent IF: 2.068; 2013 IF: 2.185
Call Number	UA @ lucian @ c:irua:106182UA @ admin @ c:irua:106182			Serial	1861
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Author	Lebedev, O.I.; Verbeeck, J.; Van Tendeloo, G.; Dubourdieu, C.; Rosina, M.; Chaudouët, P.
Title	Structure and properties of artificial [(La_0.7Sr_0.3MnO₃)_m(SrTiO₃)_n]₁₅ superlattices on (001)SrTiO₃			Type	A1 Journal article
Year	2003	Publication	Journal of applied physics	Abbreviated Journal	J Appl Phys
Volume	94	Issue	12	Pages	7646-7656
Keywords	A1 Journal article; Electron microscopy for materials research (EMAT)
Abstract	Complex [(La0.7Sr0.3MnO3)(m)(SrTiO3)(n)] [(LSMO)(m)/(STO)(8)](15) superlattices with different layer thicknesses (m=5, 8, 12, 16, 32) have been prepared using pulsed liquid injection metalorganic chemical vapor deposition. Transmission electron microscopy and electron diffraction reveal a very clear and well-separated layer sequence. The remarkable microstructure, as well as the ferromagnetic transition temperature, depends on the LSMO layer thickness. Apart from a very clear layer sequence, electron microscopy shows evidence of a self-assembled nanostructure formation: SrMnO3 nanoinclusions and associated SrTiO3-SrMnO3 thin walls. A formation model and growth mechanism for the self-assembled structure is proposed, based on high resolution and energy filtered elemental imaging. (C) 2003 American Institute of Physics.
Address
Corporate Author				Thesis
Publisher	American Institute of Physics	Place of Publication	New York, N.Y.	Editor
Language		Wos	000186969900042	Publication Date	2003-12-04
Series Editor		Series Title		Abbreviated Series Title
Series Volume		Series Issue		Edition
ISSN	0021-8979;	ISBN		Additional Links	UA library record; WoS full record; WoS citing articles
Impact Factor	2.068	Times cited	22	Open Access
Notes				Approved	Most recent IF: 2.068; 2003 IF: 2.171
Call Number	UA @ lucian @ c:irua:54822			Serial	3292
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Author	Goessens, C.; Schryvers, D.; van Landuyt, J.; Amelinckx, S.; Verbeeck, A.; de Keyzer, R.
Title	Characterization of crystal defects in mixed tabular silver halide grains by conventional transmission electron microscopy and X-ray diffractometry			Type	A1 Journal article
Year	1991	Publication	Journal of crystal growth	Abbreviated Journal	J Cryst Growth
Volume	110	Issue		Pages	930-941
Keywords	A1 Journal article; Electron microscopy for materials research (EMAT)
Abstract
Address
Corporate Author				Thesis
Publisher		Place of Publication	Amsterdam	Editor
Language		Wos	A1991FL02100033	Publication Date	0000-00-00
Series Editor		Series Title		Abbreviated Series Title
Series Volume		Series Issue		Edition
ISSN	0022-0248	ISBN		Additional Links	UA library record; WoS full record; WoS citing articles
Impact Factor	1.698	Times cited	40	Open Access
Notes				Approved
Call Number	UA @ lucian @ c:irua:48349			Serial	321
Permanent link to this record



Author	Verbeeck, J.; Lebedev, O.I.; Van Tendeloo, G.; Cagnon, L.; Bougerol, C.; Tourillon, T.
Title	Fe and Co nanowires and nanotubes synthesized by template electrodeposition: a HRTEM and EELS study			Type	A1 Journal article
Year	2003	Publication	Journal of the electrochemical society	Abbreviated Journal	J Electrochem Soc
Volume	150	Issue	10	Pages	E468-E471
Keywords	A1 Journal article; Electron microscopy for materials research (EMAT)
Abstract	Co and Fe nanowires and/or nanotubes are electrochemically synthesized through nanoporous membranes. By combining high-resolution transmission electron microscopy (HRTEM), electron energy loss spectroscopy (EELS), and energy filtered TEM techniques, their structural and crystallographic characteristics are precisely determined. The synthesis was shown to produce cigar-shaped single monocrystalline Co and Fe nanowires with a diameter of about 60 nm. All wires were surrounded by an epitaxial oxide layer (Co3O4 or Fe3O4) of roughly 10 nm. The Fe nanotubes were built up of Fe3O4 nanocrystals. Electron diffraction showed that all nanocrystals had a common crystallographic axis, creating a pseudomonocrystalline wall in the nanotubes. (C) 2003 The Electrochemical Society.
Address
Corporate Author				Thesis
Publisher		Place of Publication	New York, N.Y.	Editor
Language		Wos	000185639800039	Publication Date	2003-09-12
Series Editor		Series Title		Abbreviated Series Title
Series Volume		Series Issue		Edition
ISSN	0013-4651;	ISBN		Additional Links	UA library record; WoS full record; WoS citing articles
Impact Factor	3.259	Times cited	41	Open Access
Notes				Approved	Most recent IF: 3.259; 2003 IF: 2.361
Call Number	UA @ lucian @ c:irua:54858UA @ admin @ c:irua:54858			Serial	1176
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Author	Geuens, I.; Gijbels, R.; Jacob, W.A.; Verbeeck, A.; de Keyzer, R.
Title	Analysis of silver halide microcrystals using different modes of a scanning transmission electron microscope and digital image processing			Type	A1 Journal article
Year	1992	Publication	The journal of imaging science and technology	Abbreviated Journal	J Imaging Sci Techn
Volume	36	Issue	6	Pages	534-539
Keywords	A1 Journal article; Plasma Lab for Applications in Sustainability and Medicine – Antwerp (PLASMANT)
Abstract
Address
Corporate Author				Thesis
Publisher		Place of Publication	Springfield, Va	Editor
Language		Wos	A1992KE66100006	Publication Date	0000-00-00
Series Editor		Series Title		Abbreviated Series Title
Series Volume		Series Issue		Edition
ISSN	1062-3701	ISBN		Additional Links	UA library record; WoS full record; WoS citing articles
Impact Factor	0.349	Times cited	10	Open Access
Notes				Approved	no
Call Number	UA @ lucian @ c:irua:3732			Serial	104
Permanent link to this record



Author	Hamon, A.-L.; Verbeeck, J.; Schryvers, D.; Benedikt, J.; van den Sanden, R.M.C.M.
Title	ELNES study of carbon K-edge spectra of plasma deposited carbon films			Type	A1 Journal article
Year	2004	Publication	Journal of materials chemistry	Abbreviated Journal	J Mater Chem
Volume	14	Issue		Pages	2030-2035
Keywords	A1 Journal article; Electron microscopy for materials research (EMAT)
Abstract	Electron energy loss spectroscopy was used to investigate the bonding of plasma deposited carbon films. The experimental conditions include the use of a specific collection angle for which the shape of the spectra is free of the orientation dependency usually encountered in graphite due to its anisotropic structure. The first quantification process of the energy loss near-edge structure was performed by a standard fit of the collected spectrum, corrected for background and multiple scattering, with three Gaussian functions followed by a comparison with the graphite spectrum obtained under equivalent experimental conditions. In a second approach a fitting model directly incorporating the background subtraction and multiple scattering removal was applied. The final numerical results are interpreted in view of the deposition conditions of the films and the actual fitting procedure with the related choice of parameters.
Address
Corporate Author				Thesis
Publisher		Place of Publication	Cambridge	Editor
Language		Wos	000222312500017	Publication Date	2004-06-28
Series Editor		Series Title		Abbreviated Series Title
Series Volume		Series Issue		Edition
ISSN	0959-9428;1364-5501;	ISBN		Additional Links	UA library record; WoS full record; WoS citing articles
Impact Factor	6.626	Times cited	61	Open Access
Notes				Approved	Most recent IF: NA
Call Number	UA @ lucian @ c:irua:48782UA @ admin @ c:irua:48782			Serial	1025
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Author	Bigiani, L.; Andreu, T.; Maccato, C.; Fois, E.; Gasparotto, A.; Sada, C.; Tabacchi, G.; Krishnan, D.; Verbeeck, J.; Ramon Morante, J.; Barreca, D.
Title	Engineering Au/MnO₂ hierarchical nanoarchitectures for ethanol electrochemical valorization			Type	A1 Journal article
Year	2020	Publication	Journal Of Materials Chemistry A	Abbreviated Journal	J Mater Chem A
Volume	8	Issue	33	Pages	16902-16907
Keywords	A1 Journal article; Engineering sciences. Technology; Electron microscopy for materials research (EMAT)
Abstract	The design of eco-friendly electrocatalysts for ethanol valorization is an open challenge towards sustainable hydrogen production. Herein we present an original fabrication route to effective electrocatalysts for the ethanol oxidation reaction (EOR). In particular, hierarchical MnO(2)nanostructures are grown on high-area nickel foam scaffolds by a plasma-assisted strategy and functionalized with low amounts of optimally dispersed Au nanoparticles. This strategy leads to catalysts with a unique morphology, designed to enhance reactant-surface contacts and maximize active site utilization. The developed nanoarchitectures show superior performances for ethanol oxidation in alkaline media. We reveal that Au decoration boosts MnO(2)catalytic activity by inducing pre-dissociation and pre-oxidation of the adsorbed ethanol molecules. This evidence validates our strategy as an effective route for the development of green electrocatalysts for efficient electrical-to-chemical energy conversion.
Address
Corporate Author				Thesis
Publisher		Place of Publication		Editor
Language		Wos	000562931300008	Publication Date	2020-07-21
Series Editor		Series Title		Abbreviated Series Title
Series Volume		Series Issue		Edition
ISSN	2050-7488; 2050-7496	ISBN		Additional Links	UA library record; WoS full record; WoS citing articles
Impact Factor	11.9	Times cited	16	Open Access	OpenAccess
Notes	; This work was financially supported by Padova University DOR 2016-2019 and P-DiSC #03BIRD2018-UNIPD OXYGENA projects, as well as by the INSTM Consortium (INSTMPD004 – NETTUNO), AMGA Foundation Mn4Energy project and Insubria University FAR2018. J. V. and D. K. acknowledge funding from the Flemish Government (Hercules), GOA project “Solarpaint” (Antwerp University) and European Union's H2020 programme under grant agreement no. 823717 ESTEEM3. The authors are grateful to Dr Gianluca Corr for skillful technical support. ; esteem3TA; esteem3reported			Approved	Most recent IF: 11.9; 2020 IF: 8.867
Call Number	UA @ admin @ c:irua:171989			Serial	6506
Permanent link to this record



Author	Spreitzer, M.; Egoavil, R.; Verbeeck, J.; Blank, D.H.A.; Rijnders, G.
Title	Pulsed laser deposition of SrTiO₃ on a H-terminated Si substrate			Type	A1 Journal article
Year	2013	Publication	Journal of materials chemistry C : materials for optical and electronic devices	Abbreviated Journal	J Mater Chem C
Volume	1	Issue	34	Pages	5216-5222
Keywords	A1 Journal article; Electron microscopy for materials research (EMAT)
Abstract	Interfacing oxides with silicon is a long-standing problem related to the integration of multifunctional oxides with semiconductor devices and the replacement of SiO2 with high-k gate oxides. In our study, pulsed laser deposition was used to prepare a SrTiO3 (STO) thin film on a H-terminated Si substrate. The main purpose of our work was to verify the ability of H-termination against the oxidation of Si during the PLD process and to analyze the resulting interfaces. In the first part of the study, the STO was deposited directly on the Si, leading to the formation of a preferentially textured STO film with a (100) orientation. In the second part, SrO was used as a buffer layer, which enabled the partial epitaxial growth of STO with STO(110)parallel to Si(100) and STO[001]parallel to Si[001]. The change in the growth direction induced by the application of a SrO buffer was governed by the formation of a SrO(111) intermediate layer and subsequently by the minimization of the lattice misfit between the STO and the SrO. Under the investigated conditions, approximately 10 nm thick interfacial layers formed between the STO and the Si due to reactions between the deposited material and the underlying H-terminated Si. In the case of direct STO deposition, SiOx formed at the interface with the silicon, while in the case when SrO was used as a buffer, strontium silicate grew directly on the silicon, which improves the growth quality of the uppermost STO.
Address
Corporate Author				Thesis
Publisher		Place of Publication		Editor
Language		Wos	000322911900005	Publication Date	2013-07-12
Series Editor		Series Title		Abbreviated Series Title
Series Volume		Series Issue		Edition
ISSN	2050-7526;2050-7534;	ISBN		Additional Links	UA library record; WoS full record; WoS citing articles
Impact Factor	5.256	Times cited	23	Open Access
Notes	Ifox; Esteem2; Vortex; Countatoms; esteem2jra3 ECASJO;			Approved	Most recent IF: 5.256; 2013 IF: NA
Call Number	UA @ lucian @ c:irua:110798UA @ admin @ c:irua:110798			Serial	2739
Permanent link to this record



Author	Spreitzer, M.; Klement, D.; Egoavil, R.; Verbeeck, J.; Kovac, J.; Zaloznik, A.; Koster, G.; Van Tendeloo, G.; Suvorov, D.; Rijnders, G.
Title	Growth mechanism of epitaxial SrTiO₃ on a (1 x 2) + (2 x 1) reconstructed Sr(1/2 ML)/Si(001) surface			Type	A1 Journal article
Year	2020	Publication	Journal Of Materials Chemistry C	Abbreviated Journal	J Mater Chem C
Volume	8	Issue	2	Pages	518-527
Keywords	A1 Journal article; Electron microscopy for materials research (EMAT)
Abstract	Sub-monolayer control over the growth at silicon-oxide interfaces is a prerequisite for epitaxial integration of complex oxides with the Si platform, enriching it with a variety of functionalities. However, the control over this integration is hindered by the intense reaction of the constituents. The most suitable buffer material for Si passivation is metallic strontium. When it is overgrown with a layer of SrTiO3 (STO) it can serve as a pseudo-substrate for the integration with functional oxides. In our study we determined a mechanism for epitaxial integration of STO with a (1 x 2) + (2 x 1) reconstructed Sr(1/2 ML)/Si(001) surface using all-pulsed laser deposition (PLD) technology. A detailed analysis of the initial deposition parameters was performed, which enabled us to develop a complete protocol for integration, taking into account the peculiarities of the PLD growth, STO critical thickness, and process thermal budget, in order to kinetically trap the reaction between STO and Si and thus to minimize the thickness of the interface layer. The as-prepared oxide layer exhibits STO(001)8Si(001) out-of-plane and STO[110]8Si[100] in-plane orientation and together with recent advances in large-scale PLD tools these results represent a new technological solution for the implementation of oxide electronics on demand.
Address
Corporate Author				Thesis
Publisher		Place of Publication		Editor
Language		Wos	000506852400036	Publication Date	2019-10-28
Series Editor		Series Title		Abbreviated Series Title
Series Volume		Series Issue		Edition
ISSN	2050-7526; 2050-7534	ISBN		Additional Links	UA library record; WoS full record; WoS citing articles
Impact Factor	6.4	Times cited	12	Open Access	OpenAccess
Notes	; The research was financially supported by the Slovenian Research Agency (Project No. P2-0091, J2-9237) and Ministry of Education, Science and Sport of the Republic of Slovenia (SIOX projects). This work was also funded by the European Union Council under the 7th Framework Program grant no. NMP3-LA-2010-246102 IFOX. J. V. and G. V. T. acknowledge funding from the Fund for Scientific Research Flanders under project no. G.0044.13N. ;			Approved	Most recent IF: 6.4; 2020 IF: 5.256
Call Number	UA @ admin @ c:irua:165672			Serial	6298
Permanent link to this record



Author	Ramachandran, D.; Egoavil, R.; Crabbe, A.; Hauffman, T.; Abakumov, A.; Verbeeck, J.; Vandendael, I.; Terryn, H.; Schryvers, D.
Title	TEM and AES investigations of the natural surface nano-oxide layer of an AISI 316L stainless steel microfibre			Type	A1 Journal article
Year	2016	Publication	Journal of microscopy	Abbreviated Journal	J Microsc-Oxford
Volume	264	Issue	264	Pages	207-214
Keywords	A1 Journal article; Electron microscopy for materials research (EMAT)
Abstract	The chemical composition, nanostructure and electronic structure of nanosized oxide scales naturally formed on the surface of AISI 316L stainless steel microfibres used for strengthening of composite materials have been characterised using a combination of scanning and transmission electron microscopy with energy-dispersive X-ray, electron energy loss and Auger spectroscopy. The analysis reveals the presence of three sublayers within the total surface oxide scale of 5.0-6.7 nm thick: an outer oxide layer rich in a mixture of FeO.Fe2 O3 , an intermediate layer rich in Cr2 O3 with a mixture of FeO.Fe2 O3 and an inner oxide layer rich in nickel.
Address	Electron Microscopy for Materials Science, University of Antwerp, Antwerp, Belgium
Corporate Author				Thesis
Publisher		Place of Publication		Editor
Language	English	Wos	000385944300009	Publication Date	2016-06-17
Series Editor		Series Title		Abbreviated Series Title
Series Volume		Series Issue		Edition
ISSN	0022-2720	ISBN		Additional Links	UA library record; WoS full record; WoS citing articles
Impact Factor	1.692	Times cited	12	Open Access
Notes	This work was supported by SIM vzw, Technologiepark 935, BE-9052 Zwijnaarde, Belgium, within the InterPoCo project of the H-INT-S horizontal program. The authors are also thankful to Stijn Van den Broeck for help in FIB sample preparation, to Hamed Heidari for useful comments and to the N.V. Bekaert S.A. company for providing the microfibres. RE acknowledges funding by the European Union Council under the 7th Framework Program (FP7) grant nr NMP3-LA-2010-246102 IFOX.			Approved	Most recent IF: 1.692
Call Number	c:irua:134087			Serial	4096
Permanent link to this record



Author	Guzzinati, G.; Béché, A.; McGrouther, D.; Verbeeck, J.
Title	Prospects for out-of-plane magnetic field measurements through interference of electron vortex modes in the TEM			Type	A1 Journal article
Year	2019	Publication	Journal of optics	Abbreviated Journal	J Optics-Uk
Volume	21	Issue	12	Pages	124002
Keywords	A1 Journal article; Electron microscopy for materials research (EMAT)
Abstract	Magnetic field mapping in transmission electron microscopy is commonplace, but all conventional methods provide only a projection of the components of the magnetic induction perpendicular to the electron trajectory. Recent experimental advances with electron vortices have shown that it is possible to map the out of plane magnetic induction in a TEM setup via interferometry with a specifically prepared electron vortex state carrying high orbital angular momentum (OAM). The method relies on the Aharonov?Bohm phase shift that the electron undergoes when going through a longitudinal field. Here we show how the same effect naturally occurs for any electron wave function, which can always be described as a superposition of OAM modes. This leads to a clear connection between the occurrence of high-OAM partial waves and the amount of azimuthal rotation in the far field angular distribution of the beam. We show that out of plane magnetic field measurement can thus be obtained with a much simpler setup consisting of a ring-like aperture with azimuthal spokes. We demonstrate the experimental setup and explore the achievable sensitivity of the magnetic field measurement.
Address
Corporate Author				Thesis
Publisher		Place of Publication		Editor
Language		Wos	000499367800001	Publication Date	2019-10-28
Series Editor		Series Title		Abbreviated Series Title
Series Volume		Series Issue		Edition
ISSN	2040-8978	ISBN		Additional Links	UA library record; WoS full record; WoS citing articles
Impact Factor	1.741	Times cited	3	Open Access
Notes	The authors thank V Grillo and T Harvey for interesting and fruitful discussion. GG acknowledges support from a postdoctoral fellow-ship grant from the Fonds Wetenschappelijk Onderzoek – Vlaanderen (FWO). The Qu-Ant-EM microscope was partly funded by the Hercules fund from the Flemish Government. This project has received funding from the European Union's Horizon 2020 research and innovation programme under grant agreement No 823717 – ESTEEM3. AB acknowledges funding from FWO project G093417N ('Compressed sensing enabling low dose imaging in transmission electron microscopy'). DM gratefully acknowledges funding of the FEBID capability through joint funding by University of Glasgow & EPSRC through a Strategic Equipment Grant (EP/P001483/1).			Approved	Most recent IF: 1.741
Call Number	UA @ admin @ c:irua:165116			Serial	6319
Permanent link to this record



Author	Goris, B.; Guzzinati, G.; Fernández-López, C.; Pérez-Juste, J.; Liz-Marzán, L.M.; Trügler, A.; Hohenester, U.; Verbeeck, J.; Bals, S.; Van Tendeloo, G.
Title	Plasmon mapping in Au@Ag nanocube assemblies			Type	A1 Journal article
Year	2014	Publication	The journal of physical chemistry: C : nanomaterials and interfaces	Abbreviated Journal	J Phys Chem C
Volume	118	Issue	28	Pages	15356-15362
Keywords	A1 Journal article; Engineering sciences. Technology; Electron microscopy for materials research (EMAT)
Abstract	Surface plasmon modes in metallic nanostructures largely determine their optoelectronic properties. Such plasmon modes can be manipulated by changing the morphology of the nanoparticles or by bringing plasmonic nanoparticle building blocks close to each other within organized assemblies. We report the EELS mapping of such plasmon modes in pure Ag nanocubes, Au@Ag coreshell nanocubes, and arrays of Au@Ag nanocubes. We show that these arrays enable the creation of interesting plasmonic structures starting from elementary building blocks. Special attention will be dedicated to the plasmon modes in a triangular array formed by three nanocubes. Because of hybridization, a combination of such nanotriangles is shown to provide an antenna effect, resulting in strong electrical field enhancement at the narrow gap between the nanotriangles.
Address
Corporate Author				Thesis
Publisher		Place of Publication	Washington, D.C.	Editor
Language		Wos	000339368700031	Publication Date	2014-06-27
Series Editor		Series Title		Abbreviated Series Title
Series Volume		Series Issue		Edition
ISSN	1932-7447;1932-7455;	ISBN		Additional Links	UA library record; WoS full record; WoS citing articles
Impact Factor	4.536	Times cited	41	Open Access	OpenAccess
Notes	Fwo; 246791 Countatoms; 278510 Vortex; 335078 Colouratom; 262348 Esmi ECASJO;; ECASSara; (ROMEO:white; preprint:; postprint:restricted 12 months embargo; pdfversion:cannot);			Approved	Most recent IF: 4.536; 2014 IF: 4.772
Call Number	UA @ lucian @ c:irua:118099UA @ admin @ c:irua:118099			Serial	2644
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Author	Kurttepeli, M.; Deng, S.; Verbruggen, S.W.; Guzzinati, G.; Cott, D.J.; Lenaerts, S.; Verbeeck, J.; Van Tendeloo, G.; Detavernier, C.; Bals, S.
Title	Synthesis and characterization of photoreactive TiO₂carbon nanosheet composites			Type	A1 Journal article
Year	2014	Publication	The journal of physical chemistry: C : nanomaterials and interfaces	Abbreviated Journal	J Phys Chem C
Volume	118	Issue	36	Pages	21031-21037
Keywords	A1 Journal article; Engineering sciences. Technology; Electron microscopy for materials research (EMAT); Sustainable Energy, Air and Water Technology (DuEL)
Abstract	We report the atomic layer deposition of titanium dioxide on carbon nanosheet templates and investigate the effects of postdeposition annealing in a helium environment using different characterization techniques. The crystallization of the titanium dioxide coating upon annealing is observed using in situ X-ray diffraction. The (micro)structural characterization of the films is carried out by scanning electron microscopy and advanced transmission electron microscopy techniques. Our study shows that the annealing of the atomic layer deposition processed and carbon nanosheets templated titanium dioxide layers in helium environment resulting in the formation of a porous, nanocrystalline and photocatalytically active titanium dioxide-carbon nanosheet composite film. Such composites are suitable for photocatalysis and dye-sensitized solar cells applications.
Address
Corporate Author				Thesis
Publisher		Place of Publication	Washington, D.C.	Editor
Language		Wos	000341619500034	Publication Date	2014-08-23
Series Editor		Series Title		Abbreviated Series Title
Series Volume		Series Issue		Edition
ISSN	1932-7447;1932-7455;	ISBN		Additional Links	UA library record; WoS full record; WoS citing articles
Impact Factor	4.536	Times cited	9	Open Access	OpenAccess
Notes	This research was funded by the Flemish research foundation FWO-Vlaanderen, by the European Research Council (Starting Grant No. 239865) and by the Special Research Fund BOF of Ghent University (GOA-01G01513). G.G, M.K., J.V., S.B., and G.V.T. acknowledge funding from the European Research Council under the seventh Framework Program (FP7), ERC Starting Grant No. 278510 VORTEX and No. 335078 COLOURATOMS. ECASJO;; ECASSara; (ROMEO:white; preprint:; postprint:restricted 12 months embargo; pdfversion:cannot);			Approved	Most recent IF: 4.536; 2014 IF: 4.772
Call Number	UA @ lucian @ c:irua:119085			Serial	3416
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Author	Boschker, H.; Huijben, M.; Vailinois, A.; Verbeeck, J.; Van Aert, S.; Luysberg, M.; Bals, S.; Van Tendeloo, G.; Houwman, E.P.; Koster, G.; Blank, D.H.A.; Rijnders, G.
Title	Optimized fabrication of high-quality La_0.67Sr_0.33MnO₃ thin films considering all essential characteristics			Type	A1 Journal article
Year	2011	Publication	Journal of physics: D: applied physics	Abbreviated Journal	J Phys D Appl Phys
Volume	44	Issue	20	Pages	205001-205001,9
Keywords	A1 Journal article; Electron microscopy for materials research (EMAT)
Abstract	In this paper, an overview of the fabrication and properties of high-quality La0.67Sr0.33MnO3 (LSMO) thin films is given. A high-quality LSMO film combines a smooth surface morphology with a large magnetization and a small residual resistivity, while avoiding precipitates and surface segregation. In the literature, typically only a few of these issues are adressed. We therefore present a thorough characterization of our films, which were grown by pulsed laser deposition. The films were characterized with reflection high energy electron diffraction, atomic force microscopy, x-ray diffraction, magnetization and transport measurements, x-ray photoelectron spectroscopy and scanning transmission electron microscopy. The films have a saturation magnetization of 4.0 µB/Mn, a Curie temperature of 350 K and a residual resistivity of 60 µΩ cm. These results indicate that high-quality films, combining both large magnetization and small residual resistivity, were realized. A comparison between different samples presented in the literature shows that focussing on a single property is insufficient for the optimization of the deposition process. For high-quality films, all properties have to be adressed. For LSMO devices, the thin-film quality is crucial for the device performance. Therefore, this research is important for the application of LSMO in devices.
Address
Corporate Author				Thesis
Publisher		Place of Publication	London	Editor
Language		Wos	000290150900001	Publication Date	2011-04-29
Series Editor		Series Title		Abbreviated Series Title
Series Volume		Series Issue		Edition
ISSN	0022-3727;1361-6463;	ISBN		Additional Links	UA library record; WoS full record; WoS citing articles
Impact Factor	2.588	Times cited	99	Open Access
Notes	This research was financially supported by the Dutch Science Foundation, by NanoNed, a nanotechnology program of the Dutch Ministry of Economic Affairs, and by the NanOxide program of the European Science Foundation. This work is supported in part by the Department of Energy, Office of Basic Energy Sciences, Division of Materials Sciences and Engineering, under contract DE-AC02-76SF00515.			Approved	Most recent IF: 2.588; 2011 IF: 2.544
Call Number	UA @ lucian @ c:irua:89557UA @ admin @ c:irua:89557			Serial	2491
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Author	Rubino, S.; Schattschneider, P.; Rusz, J.; Verbeeck, J.; Leifer, K.
Title	Simulation of magnetic circular dichroism in the electron microscope			Type	A1 Journal article
Year	2010	Publication	Journal of physics: D: applied physics	Abbreviated Journal	J Phys D Appl Phys
Volume	43	Issue	47	Pages	474005,1-474005,11
Keywords	A1 Journal article; Electron microscopy for materials research (EMAT)
Abstract	As electron energy-loss spectroscopy (EELS) and x-ray absorption spectroscopy (XAS) probe the same transitions from coreshell states to unoccupied states above the Fermi energy, it should always be possible to apply the two techniques to the same physical phenomena, such as magnetic dichroism, and obtain the same information. Indeed, the similarity in the expression of the electron and x-ray cross-sections had been already exploited to prove the equivalence of x-ray magnetic linear dichroism and anisotropy in EELS, by noting that the polarization vector of a photon plays the same role as the momentum transfer in electron scattering. Recently, the same was proven true for x-ray magnetic circular dichroism (XMCD) by establishing a new TEM technique called EMCD (electron energy-loss magnetic chiral dichroism) (Schattschneider P et al 2006 Nature 441 4868), which makes use of special electron scattering conditions to force the absorption of a circularly polarized virtual photon. The intrinsic advantage of EMCD over XMCD is the high spatial resolution of electron microscopes, which are readily available. Among the particular obstacles in EMCD that do not exist for synchrotron radiation, is the notoriously low signal and the very particular scattering conditions necessary to observe a chiral dichroic signal. In spite of that, impressive progress has been made in recent years. The signal strength could be considerably increased, and some innovations such as using a convergent beam have been introduced. EMCD has evolved into several techniques, which make full use of the versatility of the TEM and energy filtering, spectroscopy or STEM conditions (Rubino S 2007 Magnetic circular dichroism in the transmission electron microscope PhD Thesis Vienna University of Technology, Vienna, Austria).
Address
Corporate Author				Thesis
Publisher		Place of Publication	London	Editor
Language		Wos	000284099700006	Publication Date	2010-11-12
Series Editor		Series Title		Abbreviated Series Title
Series Volume		Series Issue		Edition
ISSN	0022-3727;1361-6463;	ISBN		Additional Links	UA library record; WoS full record; WoS citing articles
Impact Factor	2.588	Times cited	13	Open Access
Notes				Approved	Most recent IF: 2.588; 2010 IF: 2.109
Call Number	UA @ lucian @ c:irua:85808UA @ admin @ c:irua:85808			Serial	3012
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