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Listar por palabra clave "Phase transition"

Mostrando ítems 1-12 de 12

Desarrollo del diagrama de estado del gel-colágeno y de su sistema de monitorización para la impresión de alimentos 3D

Jaunarena González, Daniela Alejandra (Universitat Politècnica de València, 2015-10-26)

[EN] This project aims to build and cook food complex structures using 3D printing. It will be based on the physicochemical characterization and state diagram construction through different calorimetric and dielectric ...
Ecofriendly Perovskites with Giant Self-Defocusing Optical Response

Suárez, Isaac; Martinez-Pastor, Juan P.; Oszajca, Marek F.; Lüchinger, Norman A.; Graves, Brian; Agouram, Said; Milián Enrique, Carles; Ferrando, Albert (Wiley-VCH Verlag GmbH & Co. KGaA, 2022-11)

[EN] The full optical control of light using sustainable green technologies is one of the incipient challenges of the Photonics community. There are, however, few optical materials able to provide a significant nonlinear ...
Experimental and Theoretical Studies on alfa-In2Se3 at High Pressure

Vilaplana Cerda, Rosario Isabel; Gallego-Parra, Samuel; Jorge-Montero, A.; Rodríguez-Hernández, Plácida; Muñoz, Alfonso; Errandonea, Daniel; Segura, Alfredo; Manjón, Francisco-Javier (American Chemical Society, 2018)

[EN] alpha(R)-In2Se3 has been experimentally and theoretically studied under compression at room temperature by means of X-ray diffraction and Raman scattering measurements as well as by ab initio total-energy and ...
Experimental and Theoretical Study of B2X3 Sesquichalcogenides under Extreme Conditions

Gallego Parra, Samuel (Universitat Politècnica de València, 2023-01-23)

[ES] Los sesquicalcogenuros con estequiometria B2X3, con A = Al, Ga e In y X = S, Se y Te, han recibido gran atención a lo largo de los últimos años, en particular en como modificarlos para obtener nuevas estructuras con ...
High pressure phase transitions in NdVO4

Panchal, V.; Errandonea, Daniel; Manjón Herrera, Francisco Javier; Muñoz, Alfonso; Rodríguez Hernández, Plácida; Bettinelli, Marco; Achary, S.N.; Tyagi, A.K. (AIP Publishing, 2015)

Raman-scattering measurements on NdVO4 suggest a pressure-induced zircon to monazite phase transition beyond 5.9 GPa. The monazite phase undergoes a second phase transition to a yet unknown phase at 18.1 GPa. Lattice-dynamics ...
High-pressure characterization of multifunctional CrVO4

Botella, P.; López-Moreno, S.; Errandonea, D.; Manjón, Francisco-Javier; Sans-Tresserras, Juan Ángel; Vie, D.; Vomiero, A. (IOP Publishing, 2020-09-09)

[EN] The structural stability and physical properties of CrVO(4)under compression were studied by x-ray diffraction, Raman spectroscopy, optical absorption, resistivity measurements, andab initiocalculations up to 10 GPa. ...
High-Pressure Synthesis of betha and alpha-In2Se3-Like Structures in Ga2S3

Gallego-Parra, Samuel; Vilaplana Cerda, Rosario Isabel; Gomis, O.; Rodríguez-Hernández, Plácida; Muñoz, Alfonso; González, Jesus Antonio; Sans-Tresserras, Juan Ángel; Popescu, Catalin; Manjón, Francisco-Javier (American Chemical Society, 2022-07-12)

[EN] The synthesis of polymorphs of alpha '-Ga2S3 at room temperature on compression/decompression is studied from a joint experimental and theoretical point of view to reveal the nature of their crystalline structures. ...
Isovalent Substitution and Heat Treatments Control of Tc, Chain Oxygen Disorder and Structural Phase Transition in High Tc Superconductors (Y1-xNdx)SrBaCu3O6+z

Morghi, R.; Nafidi, Abdelhakim; Aboulkassim, Abdeljabar; Chaib, H.; Charafi, H.; Ait Taleb, T.; Marí Soucase, Bernabé; Mollar García, Miguel Alfonso; Hartiti, B.; Chander Singh, K.; Khallouq, K. (Springer Verlag (Germany), 2012-11)

We report here on the preparation, X-ray diffraction with Rietveld refinement, AC magnetic susceptibility measurements and effect of heat treatments in (Y1−xNdx )SrBaCu3O6+z. Each sample was subject to two types ...
Pressure-induced phase transition and band-gap collapse in the wide-band-gap semiconductor InTaO4

Errandonea, Daniel; Popescu, Catalin; Garg, A.B.; Botella, P.; Martinez García, D.; Pellicer Porres, J.; Rodríguez Hernández, P.; Muñoz, A.; Cuenca Gotor, Vanesa Paula; Sans Tresserras, Juan Ángel (American Physical Society, 2016-01)

A pressure-induced phase transition, associated with an increase of the coordination number of In and Ta, is detected beyond 13 GPa in InTaO4 by combining synchrotron x-ray diffraction and Raman measurements in a diamond-anvil ...
Quasi-hydrostatic X-ray powder diffraction study of the low- and high-pressure phases of CaWO4 up to 28 GPa

Vilaplana Cerda, Rosario Isabel; Lacomba-Perales, Raúl; Gomis, O.; Errandonea, Daniel; Meng, Y. (Elsevier, 2014-10)

We have studied CaWO4 under compression using Ne as pressure-transmitting medium at room temperature by means of synchrotron X-ray powder diffraction. We have found that CaWO4 beyond 8.8 GPa transforms from its low-pressure ...
Transition path to a dense efficient-packed post-delafossite phase. Crystal structure and evolution of the chemical bonding

Chuliá-Jordán, Raquel; Santamaria-Perez, David; Pellicer-Porres, Julio; Otero-de-la-Roza, Alberto; Martinez-Garcia, Domingo; García-Domene, Braulio; Gomis, O.; Sans-Tresserras, Juan Ángel; Vanaja, K.A.; Asha, A.S.; Popescu, Catalin (Elsevier, 2021-06-25)

[EN] A(I)B(III)O(2) delafossite-type oxides are important technological compounds characterized by the linear coordination of the monovalent A metal by oxygen atoms. Based on results of in situ synchrotron X-ray diffraction ...
VO2 nanophotonics

Cueff, Sébastien; John, Jimmy; Zhang, Zhen; Parra Gómez, Jorge; Sun, Jianing; Orobtchouk, Regis; Ramanathan, Shriram; Sanchis Kilders, Pablo (American Institute of Physics, 2020-11-01)

[EN] The intriguing physics of vanadium dioxide (VO2) makes it not only a fascinating object of study for fundamental research on solid-state physics but also an attractive means to actively modify the properties of ...