| Records |
| Author |
Marchetti, A. |
| Title |
Novel insights and approaches for the analytical characterization of tangible cultural heritage objects |
Type |
Doctoral thesis |
| Year |
2021 |
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Pages |
333 p. |
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Doctoral thesis; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
| Abstract |
Cultural heritage represents the vehicle of our cultural identity, handed over from past to future generations throughout human history. As a repository of fundamental cultural and social values, the preservation of all forms of cultural heritage is a responsibility of every society and of humankind as a whole. When it comes to tangible cultural heritage, preservation of heritage translates into preservation of objects and, therefore, of the materials they are constituted of. This crucial task relies heavily on the application of scientific analytical methods to answer material and conservation-related questions. The fundamental contribution of this analytical approach led, in the past decades, to an ever-deepening understanding of the factors governing the degradation of cultural heritage. However, the extreme complexity of the heritage object-environment system results in a massive research field, which inevitably presents relevant open questions. This is where the present PhD work comes into play, attempting to fill knowledge gaps in literature by starting from specific case studies and un-answered research questions. The multianalytical research conducted during this PhD unraveled fundamental information on the properties governing the reactivity and long-term behavior of different classes of materials, from α-brass in an indoor environment to artists’ pigments in the presence of light, moisture and soluble particulate matter (PM). The paramount importance of the synthesis conditions on the composition, physical properties and reactivity of heritage materials was also demonstrated, in particular for stable lead pyroantimonate and unstable Geranium lake artists’ pigments. Moreover, the study and characterization of specific heritage objects, namely a series of 16th century reliquary altarpieces and the painting L’Arlesienne, by Vincent Van Gogh, allowed to obtain relevant insights into their composition and on potential risks for their conservation. The challenging nature of the samples considered, created the perfect opportunity to test an innovative spectroscopic technique, optical photo-thermal IR (O-PTIR), for the characterization of heritage materials. Striking results were obtained, highlighting a great potential for the application of this non-destructive sub-micron molecular spectroscopy to the analysis of cultural heritage. Finally, in the last section of this work, strategies to implement the continuous monitoring of PM levels in indoor environmental quality studies were also considered, with a particular focus on the identification of environmental hazards for the collections housed in specific conservation environments (War Heritage Institute in Brussels and St. Martin’s church in Aalst, BE). |
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Most recent IF: NA |
| Call Number |
UA @ admin @ c:irua:177849 |
Serial |
8319 |
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| Author |
Saviuc, I. |
| Title |
Assessment of electric residential microgrids in the EU context : role of energy storage, interactions with the main grid, and policy scenarios |
Type |
Doctoral thesis |
| Year |
2021 |
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Pages |
158 p. |
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Doctoral thesis; Engineering Management (ENM) |
| Abstract |
As decentralized electricity generation plays an important role in the reform of the energy system in the EU, electric residential microgrids merit an assessment of their position and potential. The work on this dissertation focuses on the synergy between the development of microgrids that are powered by PV panels, and the adoption of energy storage, with the aim to identify shortcomings and propose solutions. Techno-economic assessment indicates that, for a microgrid that aims to maximize its self-consumption, the electricity pricing mechanisms that are current practice across the EU are detrimental to the economic viability of using energy storage. Case studies and simulations in Belgium, Greece, Denmark, Italy, Finland, Spain and Germany show conclusively how existing tariff structures (Net-Metering, Time-of-Use, Feed-in Tariff, with or without the option of a Capacity tariff) are suitable for stimulating renewable generation, but not storage. Another underlying reason that affects the economic viability of a residential microgrid in the current context relates to the technology losses, which cannot be compensated by electricity pricing mechanisms. Having established the need for a different approach in order to improve the economic viability of microgrids with storage, this work investigated whether a form of direct support to the microgrid operator can be envisioned. A cost-benefit analysis revealed that the benefits coming from decentralized energy generation toward the main electricity grid can be compared with the cost of including and operating energy storage, and therefore a direct support from the network operator and the public can be justified in order to attain the economic viability of a microgrid with storage. This way, the electricity network can benefit from an increased number of flexible, enriched microgrids within the system, the microgrid operators are incentivized to include energy storage, and the society contributes towards a sturdier energy supply with more engaged prosumers and less polluting emissions. Entrepreneurial diversity: a career motives’ perspective – Ilse D |
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Most recent IF: NA |
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UA @ admin @ c:irua:177112 |
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6915 |
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| Author |
Rivera Julio, J. |
| Title |
Cálculos ab initio de sistemas 2D y de baja dimensionalidad |
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Doctoral thesis |
| Year |
2021 |
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Pages |
137 p. |
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Doctoral thesis; Condensed Matter Theory (CMT) |
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Most recent IF: NA |
| Call Number |
UA @ admin @ c:irua:176996 |
Serial |
6718 |
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| Author |
Legrand, S. |
| Title |
Advanced chemical imaging of artworks |
Type |
Doctoral thesis |
| Year |
2021 |
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Issue |
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Pages |
315 p. |
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Doctoral thesis; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
| Abstract |
Last century the field of heritage sciences expanded beyond imagination. The inventions of X-ray radiography and infrared reflectography allowed experts to investigate paintings below the surface as well. More recent developments led to the advent of the field of hyperspectral imaging, to which the advanced chemical imaging methods, used in this thesis work, belong. These techniques not only allow to identify the components present in artworks, but also to visualize their distribution over these objects. The resulting distribution maps permit a broader public to interpret the scientific data and to relate these results with the artwork itself. During this thesis work a range of flat artworks were investigated in a non-destructive manner using mainly two macroscopic imaging techniques: macroscopic X-ray fluorescence scanning and macroscopic Fourier transformed mid-infrared scanning in reflectance mode. The resulting images were sometimes supplemented with microscopic techniques on a minute selection of samples to fully understand the layer build-up, composition and distribution of these materials over the stratigraphy. Illuminated manuscripts pushed the interpretation of the macroscopic imaging techniques: due to the impossibility of sampling, all answers had to be obtained non-destructively. Documenting masterpieces such as the Ghent Altarpiece by means of chemical imaging techniques, helped the restoration team, assisted by the international commission to make the daring decision of manually removing the non-original paint layers. Scanning stained-glass windows allowed experts to document the panels, create situation reports, identify later infills and guide the restoration process in a more efficient manner. By initially applying non-destructive imaging techniques, many of the research/conservation questions could already be answered. Based on the resulting distribution maps, only a very limited amount of sampling was required to obtain a representative set to answer the remaining questions. In most cases the combination of multiple methods was necessary to fully understand the situation. A similar trend could be seen in the research field: the collaboration between divergent disciples was often required in order to explain all observations. In order to completely break through, the scanning speed of these techniques has to increase even more in order to cover an acceptable surface in one workday. Parallel with the operational speed, the (basic) data treatment should also be streamlined more in order to allow a broader user group to access the results. Once these two improvements are carried out, these techniques become accessible to a larger public. |
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Most recent IF: NA |
| Call Number |
UA @ admin @ c:irua:176342 |
Serial |
7420 |
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| Author |
Ranjbar, S. |
| Title |
Mathematical model of plasma therapy on bacterial growth |
Type |
Doctoral thesis |
| Year |
2020 |
Publication |
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Abbreviated Journal |
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Issue |
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Pages |
95 p. |
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Doctoral thesis; Plasma Lab for Applications in Sustainability and Medicine – Antwerp (PLASMANT) |
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Most recent IF: NA |
| Call Number |
UA @ admin @ c:irua:175471 |
Serial |
6768 |
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Van Schoubroeck, S. |
| Title |
A techno-sustainability assessment framework : indicator selection and integrated method for sustainability analysis of biobased chemicals |
Type |
Doctoral thesis |
| Year |
2020 |
Publication |
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Abbreviated Journal |
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Issue |
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Pages |
195 p. |
| Keywords |
Doctoral thesis; Engineering Management (ENM) |
| Abstract |
Biobased chemistry has gained interest and has the potential to tackle some of the sustainability challenges the chemical industry must endure. Sustainability impacts need to be evaluated and monitored to highlight the advantages and pitfalls of different biobased routes over the product life cycle. A better understanding of the potential sustainability of emerging biobased technologies and products is essential to guide additional research and further technology development. This PhD thesis aims to develop a framework for a techno-sustainability assessment (TSA), while accounting for technological as well as economic, environmental, and social aspects in an integrated approach. First, a review of the state-of-the-art sustainability indicators for biobased chemicals was conducted and a gap analysis was performed to identify indicator development needs. Afterwards, a Delphi study was performed to select sustainability indicators specifically for biobased chemical assessment and to reach consensus among experts on a prioritization of these indicators. Next, the selected sustainability indicators were quantified while integrating technological and country-specific data with environmental characterization factors, economic values and social data. Finally, a stochastic, hierarchical multi-criteria decision analysis (MCDA) integrates the independent techno-sustainability indicators expressed in different units, taking into account stochastic and flexible method options. The developed integrated TSA framework was applied to a case for which a production and harvesting plant of microalgae-based food colorants is assessed. The final aim of the integrated TSA is to compare the potential sustainability performance of different scenarios and to make better-informed choices between alternatives by evaluating environmental, economic and social sustainability impacts in one holistic model. Integrated TSA offers a novel framework where decision makers can assess sustainability already in early technology development stages by identifying potential hurdles and opportunities to guide R&D and make sustainable investment decisions. |
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Approved |
Most recent IF: NA |
| Call Number |
UA @ admin @ c:irua:174826 |
Serial |
6947 |
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| Author |
Tavkhelidze, I.; Gielis, J.; Pinelas, S. |
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About some methods of analytic representation and classification of a wide set of geometric figures with “complex” configuration |
Type |
H1 Book chapter |
| Year |
2020 |
Publication |
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Abbreviated Journal |
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Issue |
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Pages |
347-359
T2 - Differential and difference equations |
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H1 Book chapter; Sustainable Energy, Air and Water Technology (DuEL) |
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Publication Date |
2020-10-21 |
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ISBN |
978-3-030-56322-6 |
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UA library record |
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Approved |
Most recent IF: NA |
| Call Number |
UA @ admin @ c:irua:174479 |
Serial |
7407 |
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Gielis, J.; Caratelli, D.; Tavkhelidze, I. |
| Title |
The general case of cutting GML bodies : the geometrical solution |
Type |
H1 Book chapter |
| Year |
2020 |
Publication |
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Abbreviated Journal |
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Issue |
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Pages |
397-411
T2 - Differential and difference equations |
| Keywords |
H1 Book chapter; Engineering sciences. Technology; Sustainable Energy, Air and Water Technology (DuEL) |
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Publication Date |
2020-10-21 |
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Abbreviated Series Title |
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ISBN |
978-3-030-56322-6 |
Additional Links |
UA library record |
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Approved |
Most recent IF: NA |
| Call Number |
UA @ admin @ c:irua:174477 |
Serial |
7991 |
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Jafarzadeh, A. |
| Title |
First-principle studies of plasma-catalyst interactions for greenhouse gas conversion |
Type |
Doctoral thesis |
| Year |
2020 |
Publication |
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Abbreviated Journal |
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Issue |
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Pages |
163 p. |
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Doctoral thesis; Plasma Lab for Applications in Sustainability and Medicine – Antwerp (PLASMANT) |
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Approved |
Most recent IF: NA |
| Call Number |
UA @ admin @ c:irua:174073 |
Serial |
6765 |
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Uytdenhouwen, Y. |
| Title |
Tuning the performance of a DBD plasma reactor for CO2 reforming |
Type |
Doctoral thesis |
| Year |
2020 |
Publication |
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Abbreviated Journal |
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Issue |
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Pages |
303 p. |
| Keywords |
Doctoral thesis; Plasma Lab for Applications in Sustainability and Medicine – Antwerp (PLASMANT) |
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Approved |
Most recent IF: NA |
| Call Number |
UA @ admin @ c:irua:174026 |
Serial |
6774 |
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Vermeiren, V. |
| Title |
Chemical kinetics modeling of non-equilibrium and thermal effects in vibrationally active CO2 plasmas |
Type |
Doctoral thesis |
| Year |
2020 |
Publication |
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Abbreviated Journal |
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Issue |
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Pages |
207 p. |
| Keywords |
Doctoral thesis; Plasma Lab for Applications in Sustainability and Medicine – Antwerp (PLASMANT) |
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Approved |
Most recent IF: NA |
| Call Number |
UA @ admin @ c:irua:173385 |
Serial |
6468 |
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Hendrickx, M. |
| Title |
Study of the effect of cation substitution on the local structure and the properties of perovskites and Li-ion battery cathode materials |
Type |
Doctoral thesis |
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2020 |
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Issue |
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Pages |
208 p. |
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Doctoral thesis; Electron microscopy for materials research (EMAT) |
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Approved |
Most recent IF: NA |
| Call Number |
UA @ admin @ c:irua:173128 |
Serial |
6618 |
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Salvadó, N.; Butí, S.; Pradell, T.; Beltran, V.; Cinque, G.; Juanhuix, J. |
| Title |
Identification and distribution of metal soaps and oxalates in oil and tempera paint layers in fifteenth-century altarpieces using synchrotron radiation Techniques |
Type |
H1 Book chapter |
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2019 |
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Pages |
195-210
T2 - Metal soaps in art : conservation and |
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H1 Book chapter; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
| Abstract |
The formation and distribution of metal soaps produced as a result of the reactivity and aging of the materials in a fifteenth-century egg tempera and oil paintings on wood are presented. The painting technique involves the application of several paint layers over a ground using, sometimes in the same paint layer sequence, drying oil and egg yolk binders. We show, with a selection of examples, how the use of thin sections and a combination of various micro-sensitive analytical techniques is adequate to obtain the high-quality data necessary for the unambiguous identification of metal soaps and metal oxalates as well as their distribution in the paint layers. The techniques include micro infrared spectroscopy (μSR-FTIR) and micro X-ray diffraction (μSR-XRD) with synchrotron radiation, optical microscopy (OM), and scanning electron microscopy with energy dispersive X-ray spectroscopy (SEM-EDS). The data obtained sheds light about the underlying reaction and aging mechanisms happening in each paint layer and among them. This helps to define the state of conservation of the artworks. |
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Publication Date |
2019-03-23 |
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ISBN |
978-3-319-90616-4; 2366-6226; 978-3-319-90617-1 |
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UA library record |
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Approved |
no |
| Call Number |
UA @ admin @ c:irua:172891 |
Serial |
8051 |
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Groenendijk, D.J.; Autieri, C.; van Thiel, T.C.; Brzezicki, W.; Hortensius, J.R.; Afanasiev, D.; Gauquelin, N.; Barone, P.; van den Bos, K.H.W.; van Aert, S.; Verbeeck, J.; Filippetti, A.; Picozzi, S.; Cuoco, M.; Caviglia, A.D. |
| Title |
Berry phase engineering at oxide interfaces |
Type |
A1 Journal article |
| Year |
2020 |
Publication |
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Abbreviated Journal |
Phys. Rev. Research |
| Volume |
2 |
Issue |
2 |
Pages |
023404 |
| Keywords |
A1 Journal article; Electron microscopy for materials research (EMAT) |
| Abstract |
Three-dimensional strontium ruthenate (SrRuO3) is an itinerant ferromagnet that features Weyl points acting as sources of emergent magnetic fields, anomalous Hall conductivity, and unconventional spin dynamics. Integrating SrRuO3 in oxide heterostructures is potentially a novel route to engineer emergent electrodynamics, but its electronic band topology in the two-dimensional limit remains unknown. Here we show that ultrathin SrRuO3 exhibits spin-polarized topologically nontrivial bands at the Fermi energy. Their band anticrossings show an enhanced Berry curvature and act as competing sources of emergent magnetic fields. We control their balance by designing heterostructures with symmetric (SrTiO3/SrRuO3/SrTiO3 and SrIrO3/SrRuO3/SrIrO3) and asymmetric interfaces (SrTiO3/SrRuO3/SrIrO3). Symmetric structures exhibit an interface-tunable single-channel anomalous Hall effect, while ultrathin SrRuO3 embedded in asymmetric structures shows humplike features consistent with multiple Hall contributions. The band topology of two-dimensional SrRuO3 proposed here naturally accounts for these observations and harmonizes a large body of experimental results. |
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000603642700008 |
Publication Date |
2020-06-25 |
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Abbreviated Series Title |
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Edition |
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2643-1564 |
ISBN |
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Additional Links |
UA library record; WoS full record; WoS citing articles |
| Impact Factor |
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Times cited |
58 |
Open Access |
OpenAccess |
| Notes |
Nederlandse Organisatie voor Wetenschappelijk Onderzoek; Fonds Wetenschappelijk Onderzoek; European Research Council; Horizon 2020, 677458 770887 731473 ; Fondazione Cariplo, 2013-0726 ; Narodowe Centrum Nauki, 2016/23/B/ST3/00839 ; Fundacja na rzecz Nauki Polskiej; Universiteit Antwerpen; Vlaamse regering; |
Approved |
Most recent IF: NA |
| Call Number |
EMAT @ emat @c:irua:172462 |
Serial |
6401 |
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| Author |
Vanherck, J. |
| Title |
Spontaneous and induced magnetisation in two-dimensional and bulk Heisenberg ferromagnets : a quantum mechanical treatment |
Type |
Doctoral thesis |
| Year |
2020 |
Publication |
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Abbreviated Journal |
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| Volume |
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Issue |
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Pages |
160 p. |
| Keywords |
Doctoral thesis; Condensed Matter Theory (CMT) |
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UA library record |
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Open Access |
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| Notes |
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Approved |
Most recent IF: NA |
| Call Number |
UA @ admin @ c:irua:171875 |
Serial |
6612 |
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| |
| Author |
Zhang, H. |
| Title |
Optical diagnostics of spatiotemporal evolution characteristics of nanosecond laser-induced plasma in gases |
Type |
Doctoral thesis |
| Year |
2020 |
Publication |
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Abbreviated Journal |
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| Volume |
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Issue |
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Pages |
117 p. |
| Keywords |
Doctoral thesis; Plasma Lab for Applications in Sustainability and Medicine – Antwerp (PLASMANT) |
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Open Access |
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| Notes |
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Approved |
Most recent IF: NA |
| Call Number |
UA @ admin @ c:irua:171436 |
Serial |
6572 |
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| |
| Author |
De Jong, M. |
| Title |
A highly accurate portable electrochemical sensor for cocaine : from methodology to testing in the field |
Type |
Doctoral thesis |
| Year |
2020 |
Publication |
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Abbreviated Journal |
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| Volume |
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Issue |
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Pages |
263 p. |
| Keywords |
Doctoral thesis; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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Open Access |
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| Notes |
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Approved |
Most recent IF: NA |
| Call Number |
UA @ admin @ c:irua:170912 |
Serial |
6538 |
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| |
| Author |
Milagres de Oliveira, T. |
| Title |
Three-dimensional characterisation of nanomaterials : from model-like systems to real nanostructures |
Type |
Doctoral thesis |
| Year |
2020 |
Publication |
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Abbreviated Journal |
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| Volume |
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Issue |
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Pages |
230 p. |
| Keywords |
Doctoral thesis; Electron microscopy for materials research (EMAT) |
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UA library record |
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Times cited |
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Open Access |
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| Notes |
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Approved |
Most recent IF: NA |
| Call Number |
UA @ admin @ c:irua:170020 |
Serial |
6627 |
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| |
| Author |
Van Loon, J.; De Jong, M.; De Wael, K.; Du Bois, E. |
| Title |
Transposing testing from lab to on-site environment : a case of cocaine powder sampling |
Type |
P3 Proceeding |
| Year |
2020 |
Publication |
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Abbreviated Journal |
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| Volume |
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Issue |
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Pages |
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| Keywords |
P3 Proceeding; Engineering sciences. Technology; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation); Product development |
| Abstract |
This paper reports on the transition process to convert a specific lab technique to the on-site, real-life environment. Bringing a lab test to an on-site environment involves many difficulties regarding to the context, people skills and environmental support. Within this project, a case about sampling for an electrochemical measurement, was investigated as a basis to reason upon some general conclusions related to the process of transposing lab-tests to an on-site environment. The current lab test was analysed and compared with a focus group discussion with future users. Based on the findings, assumptions for the new sampling technique in the specific case were formulated. New low-tech methods to achieve the sampling were extensively tested and verified. Starting from this chosen case an argumentation was set up to generalise the conclusions, by reasoning on other cases of products that already passed this transition to the field. Based on a comparison, we could discuss that the selected parameters related to impact of the context environment, of the people that should handle the tests, related to the reasons for transposing the technology, and related to the technology that will be transposed to the on-site environment, were of importance of almost all cases and can therefore be considered as context-independent and related to the transfer to on-site testing. |
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Abbreviated Series Title |
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| Series Volume |
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Series Issue |
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Edition |
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| ISSN |
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ISBN |
978-94-6384-131-3 |
Additional Links |
UA library record |
| Impact Factor |
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Times cited |
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Open Access |
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| Notes |
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Approved |
Most recent IF: NA |
| Call Number |
UA @ admin @ c:irua:169896 |
Serial |
6637 |
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| |
| Author |
Vanrompay, H. |
| Title |
Toward fast and dose efficient electron tomography |
Type |
Doctoral thesis |
| Year |
2020 |
Publication |
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Abbreviated Journal |
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| Volume |
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Issue |
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Pages |
207 p. |
| Keywords |
Doctoral thesis; Electron microscopy for materials research (EMAT) |
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Additional Links |
UA library record |
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Times cited |
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Open Access |
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| Notes |
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Approved |
Most recent IF: NA |
| Call Number |
UA @ admin @ c:irua:169852 |
Serial |
6632 |
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| |
| Author |
Eliaerts, J. |
| Title |
Qualitative and quantitative determination of cocaine using mid-infrared spectroscopy and chemometrics |
Type |
Doctoral thesis |
| Year |
2020 |
Publication |
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Abbreviated Journal |
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| Volume |
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Issue |
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Pages |
184 p. |
| Keywords |
Doctoral thesis; Law; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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Additional Links |
UA library record |
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Times cited |
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Open Access |
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| Notes |
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Approved |
Most recent IF: NA |
| Call Number |
UA @ admin @ c:irua:169398 |
Serial |
6589 |
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| Author |
Nematollahi, P. |
| Title |
Density functional theory calculations for understanding gas conversion reactions on single metal atom embedded carbon-based nanocatalysts |
Type |
Doctoral thesis |
| Year |
2020 |
Publication |
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Abbreviated Journal |
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| Volume |
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Issue |
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Pages |
173 p. |
| Keywords |
Doctoral thesis; Plasma Lab for Applications in Sustainability and Medicine – Antwerp (PLASMANT) |
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Times cited |
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Open Access |
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| Notes |
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Approved |
Most recent IF: NA |
| Call Number |
UA @ admin @ c:irua:169310 |
Serial |
6481 |
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| Author |
Guzzinati, G.; Béché, A.; McGrouther, D.; Verbeeck, J. |
| Title |
Rotation of electron beams in the presence of localised, longitudinal magnetic fields |
Type |
Dataset |
| Year |
2019 |
Publication |
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Abbreviated Journal |
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| Volume |
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Issue |
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Pages |
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| Keywords |
Dataset; Electron microscopy for materials research (EMAT) |
| Abstract |
Electron Bessel beams have been generated by inserting an annular aperture in the illumination system of a TEM. These beams have passed through a localised magnetic field. As a result a low amount of image rotation (which is expected to be proportional to the longitudinal component of the magnetic field) is observed in the far field. A measure of this rotation should give access to the magneti field. The two datasets have been acquired in a FEI Titan3 microscope, operated at 300kV. The file focalseries.tif contains a series of images acquired varying the magnetic field through the objective lens. The file lineprofile.ser contains a series of images acquired by scanning the beam over a sample with several magnetised nanopillars. For reference, check the associated publication. |
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Open Access |
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Approved |
no |
| Call Number |
UA @ admin @ c:irua:169135 |
Serial |
6883 |
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| Author |
Cautaerts, N.; Lamm, S.; Stergar, E.; Pakarinen, J.; Yang, Y.; Hofer, C.; Schnitzer, R.; Felfer, P.; Verwerft, M.; Delville, R.; Schryvers, D. |
| Title |
Atom probe tomography data collection from DIN 1.4970 (15-15Ti) austenitic stainless steel irradiated with Fe ions |
Type |
Dataset |
| Year |
2020 |
Publication |
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Abbreviated Journal |
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Issue |
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Pages |
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| Keywords |
Dataset; Electron microscopy for materials research (EMAT) |
| Abstract |
This dataset comprises a large collection of atom probe tomography datasets collected from DIN 1.4970 alloy that was irradiated with Fe ions at different conditions. The DIN 1.4970 alloy is an austenitic stainless steel with 15 wt% Cr, 15 wt% Ni, a small addition of Ti. The full composition and characterization of our material can be found published elsewhere [1,2]. Some of our material was subjected to ageing heat treatments at different temperatures for different times. Small samples of our original material and aged material was irradiated at the Michigan Ion Beam Laboratory in 2017 with 4.5 MeV Fe ions up to 40 dpa at an average dose rate of 2×10−4 dpa/s. This was done at three different temperatures: 300, 450, and 600 ºC. Atom probe samples were made of the irradiated layers (approximately 1.5 micron deep) with focused ion beam and mounted on Microtip coupons. APT measurements took place on three CAMECA LEAP-HR systems located at CAES in Idaho Falls, USA (files beginning with R33), at Montanuniversität Leoben in Leoben, Austria (R21) and at Friedrich–Alexander University in Erlangen, Germany (R56). |
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Open Access |
Not_Open_Access |
| Notes |
; ; |
Approved |
Most recent IF: NA |
| Call Number |
UA @ admin @ c:irua:169127 |
Serial |
6454 |
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| Author |
Guzzinati, G.; Ghielens, W.; Mahr, C.; Béché, A.; Rosenauer, A.; Calders, T.; Verbeeck, J. |
| Title |
Electron Bessel beam diffraction patterns, line scan of Si/SiGe multilayer |
Type |
Dataset |
| Year |
2019 |
Publication |
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Abbreviated Journal |
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Issue |
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Pages |
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| Keywords |
Dataset; ADReM Data Lab (ADReM); Electron microscopy for materials research (EMAT) |
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Open Access |
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Approved |
no |
| Call Number |
UA @ admin @ c:irua:169114 |
Serial |
6865 |
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| Author |
Jannis, D.; Müller-Caspary, K.; Béché, A.; Oelsner, A.; Verbeeck, J. |
| Title |
Spectrocopic coincidence experiment in transmission electron microscopy |
Type |
Dataset |
| Year |
2019 |
Publication |
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Abbreviated Journal |
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| Volume |
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Issue |
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Pages |
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| Keywords |
Dataset; Electron microscopy for materials research (EMAT) |
| Abstract |
This dataset contains individual EEL and EDX events where for every event (electron or X-ray), their energy and time of arrival is stored. The experiment was performed in a transmission electron microscope (Tecnai Osiris) at 200 keV. The material investigated is an Al-Mg-Si-Cu alloy. The 'full_dataset.mat' contains the full dataset and the 'subset.mat' has the first five frames of the full dataset. The attached 'EELS-EDX.ipynb' is a jupyter notebook file. This file describes the data processing in order to observe the temporal correlation between the electrons and X-rays. |
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Open Access |
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Approved |
no |
| Call Number |
UA @ admin @ c:irua:169112 |
Serial |
6888 |
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| Author |
Idrissi, H.; Samaee, V.; Lumbeeck, G.; van der Werf, T.; Pardoen, T.; Schryvers, D.; Cordier, P. |
| Title |
Supporting data for “In situ Quantitative Tensile Tests on Antigorite in a Transmission Electron Microscope” |
Type |
Dataset |
| Year |
2019 |
Publication |
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Abbreviated Journal |
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Issue |
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Pages |
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| Keywords |
Dataset; Electron microscopy for materials research (EMAT) |
| Abstract |
The determination of the mechanical properties of serpentinites is essential towards the understanding of the mechanics of faulting and subduction. Here, we present the first in situ tensile tests on antigorite in a transmission electron microscope. A push-to-pull deformation device is used to perform quantitative tensile tests, during which force and displacement are measured, while the microstructure is imaged with the microscope. The experiments have been performed at room temperature on beams prepared by focused ion beam. The specimens are not single crystals despite their small sizes. Orientation mapping indicated that some grains were well-oriented for plastic slip. However, no dislocation activity has been observed even though engineering tensile stress went up to 700 MPa. We show also that antigorite does not exhibit an pure elastic-brittle behaviour since, despite the presence of defects, the specimens underwent plastic deformation and did not fail within the elastic regime. Instead, we observe that strain localizes at grain boundaries. All observations concur to show that under our experimental conditions, grain boundary sliding is the dominant deformation mechanism. This study sheds a new light on the mechanical properties of antigorite and calls for further studies on the structure and properties of grain boundaries in antigorite and more generally in phyllosilicates. |
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Open Access |
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Approved |
no |
| Call Number |
UA @ admin @ c:irua:169107 |
Serial |
6891 |
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| Author |
Conti, S. |
| Title |
Multi-band superfluidity and BEC-BCS crossover in novel ultrathin materials |
Type |
Doctoral thesis |
| Year |
2020 |
Publication |
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Abbreviated Journal |
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Issue |
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Pages |
123 p. |
| Keywords |
Doctoral thesis; Sociology; History; Condensed Matter Theory (CMT) |
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Additional Links |
UA library record |
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Times cited |
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Open Access |
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| Notes |
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Approved |
Most recent IF: NA |
| Call Number |
UA @ admin @ c:irua:169036 |
Serial |
6565 |
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| Author |
Bafekry, A. |
| Title |
Investigation of the effects of defects and impurities on nanostructures consisting of Group IV and V elements using First-principles calculations |
Type |
Doctoral thesis |
| Year |
2020 |
Publication |
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Abbreviated Journal |
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Issue |
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Pages |
126 p. |
| Keywords |
Doctoral thesis; Condensed Matter Theory (CMT) |
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Additional Links |
UA library record |
| Impact Factor |
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Times cited |
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Open Access |
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| Notes |
|
Approved |
Most recent IF: NA |
| Call Number |
UA @ admin @ c:irua:168738 |
Serial |
6554 |
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| Author |
Saviuc, I.; Van Passel, S.; Peremans, H. |
| Title |
Integrating PV+battery residential microgrids in distribution networks : how is the point of common coupling agreed upon? |
Type |
H1 Book chapter |
| Year |
2020 |
Publication |
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Abbreviated Journal |
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| Volume |
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Issue |
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Pages |
150-164 |
| Keywords |
H1 Book chapter; Economics; Engineering sciences. Technology; Engineering Management (ENM) |
| Abstract |
The anticipated development of decentralized electricity generation is expected to strengthen the opportunities of prosumers in the residential areas of cities, in line with the predicted establishment of renewable energy generation and storage. Based on academic research and on successful case studies, the opportunity for residential prosumers to organize in microgrids emerges as a viable and promising solution. This paper focuses on microgrids that are planned to generate electricity with a PV unit and use a shared storage system, and that opt to have a connection with the main grid. However, the point of common coupling needs to be agreed first between the microgrid operator and the network operator, and this agreement is determined by several factors and conditions beyond the basic technical and regulatory requirements. A survey of academic literature on the determinant factors for such an agreement exposes the fact that current research either focuses on the integration of individual prosumers in the main grid, or regards the point of common coupling as a given component of microgrids. We argue that neither of the two approaches is helpful in the case of microgrids vs. main grid, seeing as the agreement is not self-evident under just any circumstances, nor can the microgrid be equated to a single, large prosumer. Therefore this short paper compiles a set of determinant factors for the microgrid integration, as they emerge from academic literature, with the aim to document further research needs and support the discussion on microgrid integration. |
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Publication Date |
2020-04-08 |
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Series Title |
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Abbreviated Series Title |
Sustainable Energy for Smart Cities : First EAI International Conference, SESC 2019, Braga, Portugal, December 4–6, 2019: proceedings |
| Series Volume |
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Series Issue |
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Edition |
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| ISSN |
|
ISBN |
978-3-030-45693-1 |
Additional Links |
UA library record |
| Impact Factor |
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Times cited |
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Open Access |
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| Notes |
|
Approved |
Most recent IF: NA |
| Call Number |
UA @ admin @ c:irua:168515 |
Serial |
6932 |
| Permanent link to this record |
