Search Results - "Lupascu, Doru"

Lead-Free Relaxor Ferroelectrics by Shvartsman, Vladimir V., Lupascu, Doru C.

“…Feature size is a natural determinant of material properties. Its design offers the technological perspectives for material improvement. Grain size,…”
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Dielectric Response: Answer to Many Questions in the Methylammonium Lead Halide Solar Cell Absorbers by Anusca, Irina, Balčiūnas, Sergejus, Gemeiner, Pascale, Svirskas, Šarūnas, Sanlialp, Mehmet, Lackner, Gerhard, Fettkenhauer, Christian, Belovickis, Jaroslavas, Samulionis, Vytautas, Ivanov, Maksim, Dkhil, Brahim, Banys, Juras, Shvartsman, Vladimir V., Lupascu, Doru C.

“…Due to the unprecedented rapid increase of their power conversion efficiency, hybrid organic–inorganic perovskites CH3NH3PbX3 (X = I, Br, Cl) can potentially…”
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Effect of Mn and Ba Codoping on a Magnetic Spin Cycloid of Multiferroic Bismuth Ferrite Nanoparticles by Dubey, Astita, Escobar Castillo, Marianela, Landers, Joachim, Salamon, Soma, Wende, Heiko, Hagemann, Ulrich, Gemeiner, Pascale, Dkhil, Brahim, Shvartsman, Vladimir V, Lupascu, Doru C

“…Bismuth ferrite (BFO) is the drosophila of research in multiferroic materials due to its simultaneous magnetic and electric ordering at room temperature. The…”
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Strong electrocaloric effect in lead-free 0.65Ba(Zr0.2Ti0.8)O3-0.35(Ba0.7Ca0.3)TiO3 ceramics obtained by direct measurements by Sanlialp, Mehmet, Shvartsman, Vladimir V., Acosta, Matias, Dkhil, Brahim, Lupascu, Doru C.

“…Solid solutions of (1 − x)Ba(Zr0.2Ti0.8)O3-x(Ba0.7Ca0.3)TiO3 promise to exhibit a large electrocaloric effect (ECE), because their Curie temperature and a…”
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Bitumen rheology and the impact of rejuvenators by Ganter, Domenic, Mielke, Tommy, Maier, Marc, Lupascu, Doru C.

“…•Surface microstructure of bitumen is not directly connected with the bulk viscosity.•Surface structure changes due to the binders’ chemistry.•Rejuvenators…”
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Direct measurement of electrocaloric effect in lead-free Ba(Sn x Ti 1-x )O 3 ceramics by Sanlialp, Mehmet, Luo, Zhengdong, Shvartsman, Vladimir, Wei, Xianzhu, Liu, Yang, Dkhil, Brahim, Lupascu, Doru

“…In this study, we report on investigation of the electrocaloric (EC) effect in lead-free Ba(SnxTi1-x)O3(BSnT) ceramics with compositions in the range of…”
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Bi site doped Ferroelectric BiFe0.95Mn0.05O3 Nanoparticles for Hydrogen Evolution Reaction by Dubey, Astita, Sanjuán, Ignacio, Andronescu, Corina, Lupascu, Doru C.

“…The investigation delves into the functionality exhibited by ferroelectric BiFe0.95Mn0.05O3 (BFM) nanoparticles (NPs) concerning the hydrogen evolution…”
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Reactivation of hydrated cement powder by thermal treatment for partial replacement of ordinary portland cement by Semugaza, Gustave, Mielke, Tommy, Castillo, Marianela Escobar, Gierth, Anne Zora, Tam, Joo Xian, Nawrath, Stefan, Lupascu, Doru C.

“…Cement is the strength-forming component of concrete. It has been a major building material for more than a century. However, its production is accountable for…”
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Electrocaloric Effect in Ba(Zr,Ti)O3-(Ba,Ca)TiO3 Ceramics Measured Directly by Sanlialp, Mehmet, Shvartsman, Vladimir V., Acosta, Matias, Lupascu, Doru C.

“…In this paper, we report on studies of the electrocaloric (EC) effect in lead‐free (1−x)Ba(Zr0.2Ti0.8)O3–x(Ba0.7Ca0.3)TiO3 ceramics with compositions range…”
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Front Cover: Bi site doped Ferroelectric BiFe0.95Mn0.05O3 Nanoparticles for Hydrogen Evolution Reaction (ChemCatChem 12/2024) by Dubey, Astita, Sanjuán, Ignacio, Andronescu, Corina, Lupascu, Doru C.

“…The Front Cover graphic illustrates the process of hydrogen evolution during water splitting through electrocatalysis, highlighting the functionality of…”
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A Versatile Thin-Film Deposition Method for Multidimensional Semiconducting Bismuth Halides by Khazaee, Maryam, Sardashti, Kasra, Sun, Jon-Paul, Zhou, Hanhan, Clegg, Charlotte, Hill, Ian G, Jones, Jacob L, Lupascu, Doru C, Mitzi, David B

“…Despite the significant progress in fabricating hybrid organic–inorganic lead halide perovskite solar cells, their toxicity and low stability remain as major…”
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Hysteresis-Free Lead-Free Double-Perovskite Solar Cells by Interface Engineering by Pantaler, Martina, Cho, Kyung Taek, Queloz, Valentin I. E, García Benito, Inés, Fettkenhauer, Christian, Anusca, Irina, Nazeeruddin, Mohammad Khaja, Lupascu, Doru C, Grancini, Giulia

“…Hybrid perovskite solar cells have been creating considerable excitement in the photovoltaic community. However, they still rely on toxic elements, which…”
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Agglomeration-Free Preparation of Modified Silica Nanoparticles for Emulsion PolymerizationA Well Scalable Process by Hübner, Christian, Fettkenhauer, Christian, Voges, Kevin, Lupascu, Doru C

“…To prepare modified silica nanospheres for emulsion polymerization, a new agglomeration-free change of dispersion media has been developed. Nanosized silica…”
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Magnetoelectric coupling on multiferroic cobalt ferrite–barium titanate ceramic composites with different connectivity schemes by Etier, Morad, Schmitz-Antoniak, Carolin, Salamon, Soma, Trivedi, Harsh, Gao, Yanling, Nazrabi, Ahmadshah, Landers, Joachim, Gautam, Devendraprakash, Winterer, Markus, Schmitz, Detlef, Wende, Heiko, Shvartsman, Vladimir V., Lupascu, Doru C.

“…In this article we report on the synthesis and multiferroic properties of cobalt ferrite (CoFe2O4)–barium titanate (BaTiO3) biphasic composites. The initial…”
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Direct measurement of electrocaloric effect in lead-free Ba(SnxTi1-x)O3 ceramics by Sanlialp, Mehmet, Luo, Zhengdong, Shvartsman, Vladimir V., Wei, Xianzhu, Liu, Yang, Dkhil, Brahim, Lupascu, Doru C.

“…In this study, we report on investigation of the electrocaloric (EC) effect in lead-free Ba(SnxTi1-x)O3 (BSnT) ceramics with compositions in the range of 0.08…”
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Maxwell relation, giant (negative) electrocaloric effect, and polarization hysteresis by Chen, Xin, Li, Siqi, Jian, Xiaodong, Hambal, Yusra, Lu, Sheng-Guo, Shvartsman, Vladimir V., Lupascu, Doru C., Zhang, Q. M.

“…The electrocaloric effect (ECE) in dielectrics is characterized by the isothermal entropy change ΔS and adiabatic temperature change ΔT induced by changes of…”
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The Direct and the Converse Magnetoelectric Effect in Multiferroic Cobalt Ferrite-Barium Titanate Ceramic Composites by Etier, Morad, Shvartsman, Vladimir V., Salamon, Soma, Gao, Yanling, Wende, Heiko, Lupascu, Doru C.

“…We report on a systematic study of the magnetoelectric effect in cobalt ferrite (CoFe2O4)—barium titanate (BaTiO3) ceramic composites with (0‐3) connectivity…”
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Free Molecule Studies by Perturbed γ-γ Angular Correlation: A New Path to Accurate Nuclear Quadrupole Moments by Haas, Heinz, Röder, Jens, Correia, Joao G, Schell, J, Fenta, Abel S, Vianden, Reiner, Larsen, Emil M H, Aggelund, Patrick A, Fromsejer, Rasmus, Hemmingsen, Lars B S, Sauer, Stephan P A, Lupascu, Doru C, Amaral, Vitor S

“…Accurate nuclear quadrupole moment values are essential as benchmarks for nuclear structure models and for the interpretation of experimentally determined…”
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Mono‐, Di‐, and Tri‐Valent Cation Doped BiFe0.95Mn0.05O3 Nanoparticles: Ferroelectric Photocatalysts by Dubey, Astita, Keat, Chin Hon, Shvartsman, Vladimir V., Yusenko, Kirill V., Castillo, Marianela Escobar, Buzanich, Ana Guilherme, Hagemann, Ulrich, Kovalenko, Sergey A., Stähler, Julia, Lupascu, Doru C.

“…The ferroelectricity of multivalent codoped Bismuth ferrite (BiFeO3; BFO) nanoparticles (NPs) is revealed and utilized for photocatalysis, exploiting their…”
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The phenomenon of bitumen 'bee' structures - bulk or surface layer - a closer look by Ganter, Domenic, Franzka, Steffen, Shvartsman, Vladimir V., Lupascu, Doru C.

“…Bitumen is the primary binder of asphalt covering most of the roads in the world. The origin of the primary oil, the refinery treatment, the specific chemical…”
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