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Resultados globales: 8 registros encontrados en 0.02 segundos.
Artículos, Encontrados 7 registros
Documentos de investigación, Encontrados 1 registros
Artículos Encontrados 7 registros  
1.
11 p, 4.4 MB Pulsed laser deposition of epitaxial non-doped PbTiO3 thin films from Pbo-TiO2 mosaic targets / Sakai, Joe (Institut Català de Nanociència i Nanotecnologia) ; Caicedo Roque, Jose Manuel (Institut Català de Nanociència i Nanotecnologia) ; Vales Castro, Pablo (Institut Català de Nanociència i Nanotecnologia) ; Padilla-Pantoja, Jessica (Institut Català de Nanociència i Nanotecnologia) ; Sauthier, Guillaume (Institut Català de Nanociència i Nanotecnologia) ; Santiso, José (Institut Català de Nanociència i Nanotecnologia)
PbTiO3 (PTO) suffers from difficulty in preparing high-density robust bulk ceramics, which in turn has been a bottleneck in thin films growth with physical vapor deposition (PVD) methods. In the present work, we prepared non-doped PTO thin films by a pulsed laser deposition (PLD) method with either a single PTO target or a mosaic target consisting of PbO and TiO2 pie-shaped pieces. [...]
2021 - 10.3390/coatings11060662
Coatings, Vol. 11, issue 6 (June 2021) , art. 662  
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2.
30 p, 3.1 MB Origin of large negative electrocaloric effect in antiferroelectric PbZr O3 / Vales Castro, Pablo (Institut Català de Nanociència i Nanotecnologia) ; Faye, Romain (Luxembourg Institute of Science and Technology. Materials Research and Technology Department) ; Vellvehi, Miquel (Institut de Microelectrònica de Barcelona) ; Nouchokgwe, Youri (University of Luxembourg) ; Perpiñà Giribet, Xavier (Institut de Microelectrònica de Barcelona) ; Caicedo Roque, Jose Manuel (Institut Català de Nanociència i Nanotecnologia) ; Jordà, Xavier (Institut de Microelectrònica de Barcelona) ; Roleder, Krystian (University of Silesia in Katowice. Institute of Physics) ; Kajewski, Dariusz (University of Silesia in Katowice. Institute of Physics) ; Perez-Tomas, Amador (Institut Català de Nanociència i Nanotecnologia) ; Defay, Emmanuel (Luxembourg Institute of Science and Technology. Materials Research and Technology Department) ; Catalan, Gustau (Institut Català de Nanociència i Nanotecnologia)
We have studied the electrocaloric response of the archetypal antiferroelectric PbZrO3 as a function of voltage and temperature in the vicinity of its antiferroelectric-paraelectric phase transition. [...]
2021 - 10.1103/PhysRevB.103.054112
Physical review B, Vol. 103 Núm. 5 (Feb. 2021) , art. 54112  
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3.
12 p, 2.8 MB Control of lateral composition distribution in graded films of soluble solid systems A1-xBx by partitioned dual-beam pulsed laser deposition / Sakai, Joe (Institut Català de Nanociència i Nanotecnologia) ; Caicedo Roque, Jose Manuel (Institut Català de Nanociència i Nanotecnologia) ; Vales Castro, Pablo (Institut Català de Nanociència i Nanotecnologia) ; Padilla-Pantoja, Jessica (Institut Català de Nanociència i Nanotecnologia) ; Sauthier, Guillaume (Institut Català de Nanociència i Nanotecnologia) ; Catalan, Gustau (Institut Català de Nanociència i Nanotecnologia) ; Santiso, José (Institut Català de Nanociència i Nanotecnologia)
Lateral compositionally-graded thin films are powerful media for the observation of phase boundaries aswell as for high-throughputmaterials exploration. We herein propose amethod to prepare epitaxial lateral compositionally-graded films using a dual-beampulsed laser deposition (PLD)method with two targets separated by a partition. [...]
2020 - 10.3390/COATINGS10060540
Coatings, Vol. 10, issue 6 (June 2020) , art. 540  
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4.
13 p, 1.5 MB Enhancing the intrinsic p-type conductivity of the ultra-wide bandgap Ga₂O₃ semiconductor / Chikoidze, Ekaterine (Université Paris-Saclay. Groupe d'Etude de la Matière Condensée) ; Sartel, Corinne (Université Paris-Saclay. Groupe d'Etude de la Matière Condensée) ; Mohamed, Hagar (Université Paris-Saclay. Groupe d'Etude de la Matière Condensée) ; Madaci, Ismail (Université Paris-Saclay. Groupe d'Etude de la Matière Condensée) ; Tchelidze, Tamar (Ivane Javakhishvili Tbilisi State University. Department of Physics) ; Modreanu, Myrcea (University College Cork. Tyndall National Institute) ; Vales Castro, Pablo (Institut Català de Nanociència i Nanotecnologia) ; Rubio, Carles (Institut Català de Nanociència i Nanotecnologia) ; Arnold, Christophe (Université Paris-Saclay. Groupe d'Etude de la Matière Condensée) ; Sallet, Vincent (Université Paris-Saclay. Groupe d'Etude de la Matière Condensée) ; Dumont, Yves. (Université Paris-Saclay. Groupe d'Etude de la Matière Condensée) ; Perez-Tomas, Amador (Institut Català de Nanociència i Nanotecnologia)
While there are several n-type transparent semiconductor oxides (TSO) for optoelectronic applications (e. g. LEDs, solar cells or display TFTs), their required p-type counterpart oxides are known to be more challenging. [...]
2019 - 10.1039/c9tc02910a
Journal of Materials Chemistry C, Vol. 7, issue 33 (Sep. 2019) , p. 10231-10239  
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5.
43 p, 1.9 MB P-type ultrawide-band-gap spinel ZnGa2O4 : new perspectives for energy electronics / Chikoidze, Ekaterine (Université Paris-Saclay. Groupe d'Etude de la Matière Condensée) ; Sartel, Corinne. (Université Paris-Saclay. Groupe d'Etude de la Matière Condensée) ; Madaci, Ismail (Université Paris-Saclay. Groupe d'Etude de la Matière Condensée) ; Mohamed, Hagar (Université Paris-Saclay. Groupe d'Etude de la Matière Condensée) ; Vilar, Christele (Université Paris-Saclay. Groupe d'Etude de la Matière Condensée) ; Ballesteros, Belén (Institut Català de Nanociència i Nanotecnologia) ; Belarre Triviño, Francisco Javier (Institut Català de Nanociència i Nanotecnologia) ; Del Corro, Elena (Institut Català de Nanociència i Nanotecnologia) ; Vales Castro, Pablo (Institut Català de Nanociència i Nanotecnologia) ; Sauthier, Guillaume (Institut Català de Nanociència i Nanotecnologia) ; Li, Lijie (Swansea University. College of Engineering) ; Jennings, Mike (Swansea University. College of Engineering) ; Sallet, Vincent (Université Paris-Saclay. Groupe d'Etude de la Matière Condensée) ; Dumont, Yves (Université Paris-Saclay. Groupe d'Etude de la Matière Condensée) ; Perez-Tomas, Amador (Institut Català de Nanociència i Nanotecnologia)
The family of spinel compounds is a large and important class of multifunctional materials of general formulation ABX with many advanced applications in energy and optoelectronic areas such as fuel cells, batteries, catalysis, photonics, spintronics, and thermoelectricity. [...]
2020 - 10.1021/acs.cgd.9b01669
Crystal Growth and Design, Vol. 20 Núm. 4 (April 2020) , p. 2535-2546  
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6.
36 p, 830.9 KB Giant bulk photovoltaic effect in solar cell architectures with ultra-wide bandgap Ga2O3 transparent conducting electrodes / Perez-Tomas, Amador (Institut Català de Nanociència i Nanotecnologia) ; Chikoidze, Ekaterine (Université de Versailles Saint Quentin en Yvelines - CNRS) ; Dumont, Yves (Université de Versailles Saint Quentin en Yvelines - CNRS) ; Jennings, M. R. (Swansea University) ; Russell, Stephen A. O. (University of Warwick) ; Vales Castro, Pablo (Institut Català de Nanociència i Nanotecnologia) ; Catalan, Gustau (Institut Català de Nanociència i Nanotecnologia) ; Lira-Cantu, Monica (Institut Català de Nanociència i Nanotecnologia) ; Ton-That, C. (University of Technology Sydney) ; Teherani, Féréchteh Hosseini (Nanovation) ; Sandana, Vinod E. (Nanovation) ; Bove, Philippe (Nanovation) ; Rogers, David J. (Nanovation)
The use of ultra-wide bandgap transparent conducting beta gallium oxide (β-GaO) thin films as electrodes in ferroelectric solar cells is reported. In a new material structure for energy applications, we report a solar cell structure (a light absorber sandwiched in between two electrodes - one of them - transparent) which is not constrained by the Shockley-Queisser limit for open-circuit voltage (V) under typical indoor light. [...]
2019 - 10.1016/j.mtener.2019.100350
Materials today energy, Vol. 14 (December 2019) , art. 100350  
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7.
17 p, 1.1 MB Flexoelectricity in antiferroelectrics / Vales Castro, Pablo (Institut Català de Nanociència i Nanotecnologia) ; Roleder, Krystian (University of Silesia in Katowice. Institute of Physics) ; Zhao, Lei (Tsinghua University) ; Li, Jing-Feng (Tsinghua University) ; Kajewski, Dariusz (University of Silesia in Katowice. Institute of Physics) ; Catalan, Gustau (Institut Català de Nanociència i Nanotecnologia)
Flexoelectricity (coupling between polarization and strain gradients) is a property of all dielectric materials that has been theoretically known for decades, but only relatively recently it has begun to attract experimental attention. [...]
2018 - 10.1063/1.5044724
Applied physics letters, Vol. 113, Issue 13 (September 2018) , art. 132903  
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Documentos de investigación Encontrados 1 registros  
1.
120 p, 18.0 MB Electromechanical and electrocaloric properties of antiferroelectric PbZrO3 / Vales Castro, Pablo ; Catalan, Gustau, dir. ; Perez-Tomas, Amador, dir. ; Sort Viñas, Jordi, dir.
Els antiferroelèctrics són materials no polars que, sota un camp elèctric, canvien a una fase ferroelèctrica (polar), mostrant una característic cicle d' histèresi doble de polarització-voltatge. [...]
Los antiferroeléctricos son materiales no polares que, bajo un campo eléctrico, cambian a una naturaleza ferroeléctrica (polar), mostrando así la característica histéresis doble de polarización-voltaje. [...]
Antiferroelectrics are non-polar materials which, under an electric field, switch to a ferroelectric (polar) nature, thus displaying the characteristic double-loop polarization-voltage hysteresis. They are currently being studied intensively, both from the fundamental point of view, to investigate what is the origin and behaviour of their functional response, and also from a practical point of view, as they are suitable for electrostatic energy storage and promising for applications in electromechanical transduction and electrocaloric cooling. [...]
2021  
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