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“Round-robin investigation of silicon-oxide on silicon reference materials for ellipsometry”. Vanhellemont J, Maes HE, Schaekers M, Armigliato A, Cerva H, Cullis A, de Sande J, Dinges H, Hallais J, Nayar V, Pickering C, Stehlé, JL, Van Landuyt J, Walker C, Werner H, Salieri P;, Applied surface science
T2 –, SYMP ON DIAGNOSTIC TECHNIQUES FOR SEMICONDUCTOR MATERIALS ANALYSIS AND, FABRICATION PROCESS CONTROL, AT THE 1992 SPRING CONF OF THE EUROPEAN, MATERIALS RESEARCH SOC, JUN 02-05, 1992, STRASBOURG, FRANCE 63, 45 (1993). http://doi.org/10.1016/0169-4332(93)90062-G
Abstract: The main results and conclusions are presented of a round robin study of silicon oxide on silicon reference samples for ellipsometry. The oxide films with nominal thicknesses of 10, 50 and 120 nm are grown by thermal oxidation. The oxide film thicknesses have been determined by single wavelength ellipsometry (SWE), by spectroscopic ellipsometry (SE) and by cross-sectional conventional and high-resolution transmission electron microscopy (TEM and HREM) in different laboratories. The main conclusions are that special precautions have to be taken in order to use TEM as a reliable thickness measurement technique; that single wavelength ellipsometry can be used with great accuracy and reproducibility for the 50 and 120 nm film thicknesses but that it shows some inherent problems for the 10 nm films; and that spectroscopic ellipsometry showed for all film thicknesses an accuracy and reproducibility which is clearly superior to that of SWE.
Keywords: A1 Journal article; Electron microscopy for materials research (EMAT)
Impact Factor: 2.711
Times cited: 13
DOI: 10.1016/0169-4332(93)90062-G
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“Atomic structure and defect structure of the superconducting HgBa2Can-1CunO2n+2+\delta homologous series”. Van Tendeloo G, Chaillout C, Capponi JJ, Marezio M, Antipov EV, Physica: C : superconductivity 223, 219 (1994). http://doi.org/10.1016/0921-4534(94)91264-5
Abstract: The perfect as well as the defect structure of several members of the superconducting family HgBa2Can-1CunO2n+2+delta have been studied in detail by electron diffraction and high-resolution electron microscopy Identification of the cation configuration is possible, even in the defect regions, with the help of computer simulations. The fine structure of several defects is analyzed in detail, the most common defect being the intergrowth of slabs corresponding to different n values in the title formula. In general, however, the crystals are of a high perfection, particularly for the lower n members. The occurrence of double (HgO)delta layers is seen occasionally, indicating the possible existence of a material with a double mercury layer. Some of these defects are possibly related to recently discovered anomalies at 250 K in these compounds.
Keywords: A1 Journal article; Electron microscopy for materials research (EMAT)
Impact Factor: 0.942
Times cited: 30
DOI: 10.1016/0921-4534(94)91264-5
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“Copper oxycarbonates and mercury based cuprates: structural mechanisms of new superconductors”. Hervieu M, Michel C, Van Tendeloo G, Martin C, Maignan A, Raveau B, Physica: C : superconductivity 235/240, 25 (1994). http://doi.org/10.1016/0921-4534(94)91305-6
Keywords: A1 Journal article; Electron microscopy for materials research (EMAT)
Impact Factor: 0.942
Times cited: 8
DOI: 10.1016/0921-4534(94)91305-6
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“Effects of the annealing conditions on the structural and superconducting properties of Bi2-xPbxSr2Y0.2Ca0.8Cu2Oz”. Calestani G, Salsi G, Francesconi MG, Masini M, Dimesso L, Migliori A, Zhang XF, Van Tendeloo G, Physica: C : superconductivity 206, 33 (1993). http://doi.org/10.1016/0921-4534(93)90698-P
Keywords: A1 Journal article; Electron microscopy for materials research (EMAT)
Impact Factor: 0.942
Times cited: 10
DOI: 10.1016/0921-4534(93)90698-P
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“Experimental study of the energy band structure of Sc1-xErxAs layers in pulsed magnetic fields”. Bogaerts R, van Esch A, van Bockstal L, Herlach F, Peeters FM, DeRosa F, Palmstrøm CJ, Allen SJ, Physica: B : condensed matter 184, 232 (1993). http://doi.org/10.1016/0921-4526(93)90356-B
Keywords: A1 Journal article; Condensed Matter Theory (CMT)
Impact Factor: 1.319
Times cited: 9
DOI: 10.1016/0921-4526(93)90356-B
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“High-field magneto-resistance in GaAs-GaAlAs heterojunctions”. Leadley DR, Nicholas RJ, Xu W, Peeters FM, Devreese JT, Foxon CT, Harris JJ, Physica: B : condensed matter 184, 197 (1993). http://doi.org/10.1016/0921-4526(93)90348-A
Keywords: A1 Journal article; Condensed Matter Theory (CMT); Theory of quantum systems and complex systems
Impact Factor: 1.319
Times cited: 4
DOI: 10.1016/0921-4526(93)90348-A
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“High field transport in high carrier density GaAs/Ga0.8In0.2As/Ga0.75Al0.25As heterostructures”. van der Burgt M, van Esch A, Peeters FM, van Hove M, Borghs G, Herlach F, Physica: B : condensed matter 184, 211 (1993). http://doi.org/10.1016/0921-4526(93)90351-6
Keywords: A1 Journal article; Condensed Matter Theory (CMT)
Impact Factor: 1.319
Times cited: 4
DOI: 10.1016/0921-4526(93)90351-6
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“Interface optical phonon mode coupling in GaAs/AlAs quantum wells at high magnetic fields”. Hai GQ, Peeters FM, Devreese JT, Physica: B : condensed matter 184, 289 (1993). http://doi.org/10.1016/0921-4526(93)90367-F
Keywords: A1 Journal article; Condensed Matter Theory (CMT); Theory of quantum systems and complex systems
Impact Factor: 1.319
Times cited: 3
DOI: 10.1016/0921-4526(93)90367-F
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“Lead-mercury-based superconductors –, the 1212-cuprate Pb0.7Hg0.3Sr2+xCa0.7Nd0.3-xCu2O7-\delta and the new oxycarbonate Pb0.7Hg0.3Sr4Cu2CO3O7”. Martin C, Hervieu M, Huvé, M, Michel C, Maignan A, Van Tendeloo G, Raveau B, Physica: C : superconductivity 222, 19 (1994). http://doi.org/10.1016/0921-4534(94)90109-0
Abstract: A new superconducting mercury oxycarbonate, Pb0.7Hg0.3Sr4Cu2CO3O7, has been synthesized. This tetragonal phase (a = 3.824 angstrom, c= 16.468 angstrom) consists of an intergrowth of two nonsuperconducting compounds, Sr2CuO2CO3 and Pb0.7Hg0.3Sr2CuO5. It exhibits after optimization a critical temperature of 70 K, with a sharp transition and a superconducting volume fraction of 50%. Its behavior can be compared to that of thallium oxycarbonates previously isolated. This study is completed by a reinvestigation of the 1212 cuprate of the system Hg-Pb-Sr-Ca-Nd-Cu. A superconducting phase with the 1212 structure, similar to that previously obtained but with a significantly different composition, Pb0.7Hg0.3Sr2+xCa0.7Nd0.3-xCu2O7, has been obtained, with a T(c onset) of 100 K. The behavior of the latter is compared with other lead-based 1212 cuprates.
Keywords: A1 Journal article; Electron microscopy for materials research (EMAT)
Impact Factor: 0.942
Times cited: 49
DOI: 10.1016/0921-4534(94)90109-0
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“Magnetotransport measurements on thin Ga1-xErxAs epitaxial films in pulsed magnetic fields”. Bogaerts R, van Bockstal L, Herlach F, Peeters FM, DeRosa F, Palmstrøm CJ, Allen SJ, Physica: B : condensed matter 177, 425 (1992). http://doi.org/10.1016/0921-4526(92)90142-F
Abstract: Magnet0transport measurements in pulsed fields up to 46 T and at temperatures between 1.4 and 210 K have been performed on thin semimetallic epitaxial layers of Sc1-xErxAs buried inside insulating GaAs. A consistent description is obtained of the magnetic field dependence of the Hall resistance and the different frequencies of the Shubnikov-de Hass oscillations.
Keywords: A1 Journal article; Condensed Matter Theory (CMT)
Impact Factor: 1.319
Times cited: 12
DOI: 10.1016/0921-4526(92)90142-F
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“Ortho-II structure in ABa2Cu3O7-\delta compounds (A=Er, Nd, Pr, Sm, Yb)”. Krekels T, Zou H, Van Tendeloo G, Wagener D, Buchgeister M, Hosseini SM, Herzog P, Physica: C : superconductivity 196, 363 (1992). http://doi.org/10.1016/0921-4534(92)90458-O
Abstract: Oxygen ordering has been investigated in superconducting ABa2Cu3O7-delta ceramic materials with A = Er, Nd, Sm and Yb, as well as in samples of this type with the rate earth A partially substituted by Pr. The critical temperature T(c) was determined as a function of the oxygen deficiency-delta of the compound and the corresponding microstructures were investigated by electron diffraction and electron microscopy. A distinct relationship exists between the width of the 60 K plateau and the ortho II ordering. Our results show that the ortho II ordered phase is the superconducting phase with a characteristic T(c) of 60 K.
Keywords: A1 Journal article; Electron microscopy for materials research (EMAT)
Impact Factor: 0.942
Times cited: 52
DOI: 10.1016/0921-4534(92)90458-O
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“Polaron correction to the D-center in a quantum well”. Shi JM, Peeters FM, Devreese JT, Physica: B : condensed matter 184, 417 (1993). http://doi.org/10.1016/0921-4526(93)90391-I
Keywords: A1 Journal article; Condensed Matter Theory (CMT); Theory of quantum systems and complex systems
Impact Factor: 1.319
Times cited: 8
DOI: 10.1016/0921-4526(93)90391-I
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“The quantized Hall effect in pulsed magnetic fields”. van der Burgt M, Thoen P, Herlach F, Peeters FM, Harris JJ, Foxon CT, Physica: B 177, 409 (1992). http://doi.org/10.1016/0921-4526(92)90139-J
Keywords: A1 Journal article; Condensed Matter Theory (CMT)
Impact Factor: 1.319
Times cited: 14
DOI: 10.1016/0921-4526(92)90139-J
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“Structural and physical properties of the new superconductor Hg0.5Pb0.5Sr4-xBaxCu2(CO3)O7-\delta”. Huvé, M, Van Tendeloo G, Hervieu M, Maignan A, Raveau B, Physica: C : superconductivity 231, 15 (1994). http://doi.org/10.1016/0921-4534(94)90138-4
Keywords: A1 Journal article; Electron microscopy for materials research (EMAT)
Impact Factor: 0.942
Times cited: 14
DOI: 10.1016/0921-4534(94)90138-4
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“TEM study of YBa2Cu3O7-x thin films with Zn and Fe”. Verbist K, Van Tendeloo G, Ye M, Mehbod M, Deltour R, Physica: C : superconductivity 235, 663 (1994). http://doi.org/10.1016/0921-4534(94)91555-5
Abstract: Analytical and high resolution electron microscopy have been used to study the effect of Zn- and Fe-doping on the micro structure of [001] YBa2Cu3O7-x thin films on [001] MgO substrates grown by magnetron sputtering. Special attention was paid to the presence of second phase inclusions and surface outgrowths such as CuO, Y2Ba1Cu1O5-x, Y2O3 in order to establish a relationship with the critical current density.
Keywords: A1 Journal article; Electron microscopy for materials research (EMAT)
Impact Factor: 0.942
DOI: 10.1016/0921-4534(94)91555-5
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“Two phase intergrowth in Bi2Sr2Ca0.6Y0.4Cu2Oy single crystals”. Zhang XF, Van Tendeloo G, Ge SL, Emmen JHPM, Brabers VAM, Physica: C : superconductivity 215, 39 (1993). http://doi.org/10.1016/0921-4534(93)90362-T
Abstract: In Bi2Sr2Ca0.6Y0.4Cu2Oy single crystals we have identified the intergrowth of two phases; a normal Bi2Sr2CaCu2Oy type phase with a 4.6b modulation period and a secondary,phase with a 9.4b modulation period. Both the two phases have orthorhombic basic structures with similar lattice parameters but different symmetries, i.e. Bbmb for the normal phase and Ccca for the secondary phase. The c-parameters of these two phases are found to vary independently upon changing the nominal Y content. The modulation characteristics of the secondary phase implies a close structural relation between the two phases. Both phases are discussed from a structural and a compositional point of view.
Keywords: A1 Journal article; Electron microscopy for materials research (EMAT)
Impact Factor: 0.942
Times cited: 17
DOI: 10.1016/0921-4534(93)90362-T
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“Coupled electron-hole transport: generalized random-phase approximation and density functional theory”. Tso HC, Vasilopoulos P, Peeters FM, Surface science : a journal devoted to the physics and chemistry of interfaces 305, 400 (1994). http://doi.org/10.1016/0039-6028(94)90925-3
Keywords: A1 Journal article; Condensed Matter Theory (CMT)
Impact Factor: 1.925
Times cited: 5
DOI: 10.1016/0039-6028(94)90925-3
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“Disappearance of magnetophonon resonance at high magnetic fields in GaAs-GaAlAs heterojunctions”. Leadley DR, Nicholas RJ, Singleton J, Xu W, Peeters FM, Devreese JT, van Bockstal L, Herlach F, Perenboom JAAJ, Harris JJ, Foxon CT, Surface science : a journal devoted to the physics and chemistry of interfaces 305, 327 (1994). http://doi.org/10.1016/0039-6028(94)90910-5
Keywords: A1 Journal article; Condensed Matter Theory (CMT); Theory of quantum systems and complex systems
Impact Factor: 1.925
Times cited: 1
DOI: 10.1016/0039-6028(94)90910-5
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“Infrared-spectroscopy of subbands, minibands, and donors in GaAs/AlGaAs superlattices”. Helm M, Peeters FM, de Rosa F, Colas E, Harbison JP, Florez LT, Surface science : a journal devoted to the physics and chemistry of interfaces
T2 –, 9TH INTERNATIONAL CONF ON THE ELECTRONIC PROPERTIES OF TWO-DIMENSIONAL, SYSTEMS ( EP2DS-9 ) / 5TH INTERNATIONAL CONF ON MODULATED SEMICONDUCTOR, STRUCTURES ( MSS-5 ), JUL 263, 518 (1992). http://doi.org/10.1016/0039-6028(92)90400-Z
Abstract: A far-infrared absorption study of electrons in lightly-doped GaAs/Al0.3Ga0.7As superlattices is presented. Both weakly and strongly coupled superlattices are investigated, and the difference between intersubband transitions and transitions between extended minibands is demonstrated. At low temperatures, the absorption spectra are dominated by donor transitions. The 1s-2p(z) transition, which is intimately related to the intersubband transition, is observed. All experimental data are compared to an envelope function calculation for the miniband structure and a variational calculation for the donor energies. Excellent agreement between experiment and theory is achieved.
Keywords: A1 Journal article; Condensed Matter Theory (CMT)
Impact Factor: 1.925
Times cited: 5
DOI: 10.1016/0039-6028(92)90400-Z
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“Mini-band dispersion, critical points, and impurity bands in superlattices: an infrared absorption study”. Helm M, Hilber W, Fromherz T, Peeters FM, Alavi K, Pathak RN, Solid state electronics 37, 1277 (1994). http://doi.org/10.1016/0038-1101(94)90407-3
Keywords: A1 Journal article; Condensed Matter Theory (CMT)
Impact Factor: 1.504
Times cited: 2
DOI: 10.1016/0038-1101(94)90407-3
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“Resonant magneto-polarons in strongly-coupled superlattices”. Peeters FM, Shi JM, Devreese JT, Cheng J-P, McCombe BD, Schaff W, Solid state electronics 37, 1217 (1994). http://doi.org/10.1016/0038-1101(94)90393-X
Keywords: A1 Journal article; Condensed Matter Theory (CMT); Theory of quantum systems and complex systems
Impact Factor: 1.504
Times cited: 5
DOI: 10.1016/0038-1101(94)90393-X
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“Resonant magnetopolaron coupling to both polar and neutral optical phonons in the layer compound InSe”. Peeters FM, Wu XG, Devreese JT, Watts M, Nicholas RJ, Howell DF, van Bockstal L, Herlach F, Langerak CJGM, Singleton J, Chevy A, Surface science 263, 654 (1992). http://doi.org/10.1016/0039-6028(92)90429-A
Keywords: A1 Journal article; Condensed Matter Theory (CMT); Theory of quantum systems and complex systems
Impact Factor: 1.925
Times cited: 4
DOI: 10.1016/0039-6028(92)90429-A
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“Size effects in the transport properties of thin Sc1-xErxAs epitaxial layers buried in GaAs”. Bogaerts R, de Keyser A, Herlach F, Peeters FM, DeRosa F, Palmstrøm CJ, Brehmer D, Allen SJ, Solid state electronics 37, 789 (1994). http://doi.org/10.1016/0038-1101(94)90299-2
Keywords: A1 Journal article; Condensed Matter Theory (CMT)
Impact Factor: 1.504
Times cited: 4
DOI: 10.1016/0038-1101(94)90299-2
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“Structures and phase transitions in C60 and C70 fullerites”. Van Tendeloo G, Amelinckx S, Muto S, Verheijen MA, van Loosdrecht PHM, Meijer G, Ultramicroscopy 51, 168 (1993). http://doi.org/10.1016/0304-3991(93)90145-N
Keywords: A1 Journal article; Electron microscopy for materials research (EMAT)
Impact Factor: 2.436
Times cited: 17
DOI: 10.1016/0304-3991(93)90145-N
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“Transition energies of D- centers in a superlattice”. Shi JM, Peeters FM, Devreese JT, Surface science : a journal devoted to the physics and chemistry of interfaces 305, 220 (1994). http://doi.org/10.1016/0039-6028(94)90888-5
Keywords: A1 Journal article; Condensed Matter Theory (CMT); Theory of quantum systems and complex systems
Impact Factor: 1.925
Times cited: 6
DOI: 10.1016/0039-6028(94)90888-5
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“Two-dimensional tunneling through magnetic barriers”. Matulis A, Peeters FM, Vasilopoulos P, Surface science : a journal devoted to the physics and chemistry of interfaces 305, 434 (1994). http://doi.org/10.1016/0039-6028(94)90931-8
Keywords: A1 Journal article; Condensed Matter Theory (CMT)
Impact Factor: 1.925
Times cited: 2
DOI: 10.1016/0039-6028(94)90931-8
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“Superconductivity and microstructure of YSr2Cu3O6.875”. Lebedev OI, Van Tendeloo G, Licci F, Gilioli E, Gauzzi A, Prodi A, Marezio M, Physical review : B : condensed matter and materials physics 66, 132510 (2002). http://doi.org/10.1103/PhysRevB.66.132510
Keywords: A1 Journal article; Electron microscopy for materials research (EMAT)
Impact Factor: 3.836
Times cited: 9
DOI: 10.1103/PhysRevB.66.132510
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“Strongly interacting σ-electrons and MgB2 superconductivity”. Ivanov VA, van den Broek M, Peeters FM, Solid state communications 120, 53 (2001). http://doi.org/10.1016/S0038-1098(01)00351-9
Keywords: A1 Journal article; Condensed Matter Theory (CMT)
Impact Factor: 1.554
Times cited: 5
DOI: 10.1016/S0038-1098(01)00351-9
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“Correlation energy and configuration of biexcitons in quantum wells”. Riva C, Peeters FM, Varga K, Schweigert VA, Physica status solidi: B: basic research 234, 50 (2002). http://doi.org/10.1002/1521-3951(200211)234:1<50::AID-PSSB50>3.0.CO;2-R
Abstract: A calculation of the energy of a biexciton in a GaAs/AlGaAs quantum wen is presented. We compare the results obtained using two different techniques. We discuss the dependence of the biexciton correlation energy and binding energy on the electron/hole mass ratio and on the well width. The structure of the biexciton is also investigated.
Keywords: A1 Journal article; Condensed Matter Theory (CMT)
Impact Factor: 1.674
Times cited: 6
DOI: 10.1002/1521-3951(200211)234:1<50::AID-PSSB50>3.0.CO;2-R
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“Evolution of charged particle densities after laser-induced photodetachment in a strongly electronegative RF discharge”. Yan M, Bogaerts A, Gijbels R, IEEE transactions on plasma science 30, 132 (2002). http://doi.org/10.1109/TPS.2002.1003959
Keywords: A1 Journal article; Plasma Lab for Applications in Sustainability and Medicine – Antwerp (PLASMANT)
Impact Factor: 1.052
DOI: 10.1109/TPS.2002.1003959
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