Giménez Valentín, Marcos Herminio; Salinas Marín, Isabel; Monsoriu Serra, Juan Antonio; Cuenca Gotor, Vanesa Paula; Manjón Herrera, Francisco Javier; Sans Tresserras, Juan Ángel; Gómez Tejedor, José Antonio(Editorial Universitat Politècnica de València, 2015-07-10)
[EN] In this work, we detail a new application of the use of the smartphone in the
laboratory of Physics, in order to show the students that new technologies
and the Physics’ basic principles are compatible.
From the ...
[EN] The elastic and thermodynamic properties of the monoclinic polymorph of bismuth oxide (alpha-Bi2O3); aka mineral bismite, have been theoretically investigated both at room pressure and under hydrostatic compression ...
Monteseguro, V.; Rodríguez-Hernández, P.; Lavín, V.; Manjón Herrera, Francisco Javier; Muñoz, A.(American Institute of Physics (AIP), 2013-05-14)
In this paper, we present an ab initio study within the framework of density functional theory employing the generalized gradient approximation applied to the study of the structural, elastic, and electronic properties of ...
Rayón Encinas, Emilio; Moreno, R.; Alcazar, C.; Salvador Moya, Mª Dolores; Manjón Herrera, Francisco Javier; Jimenez-Pique, E.; Llanes, L.(Wiley, 2013-04)
Two commercial zirconia powders with 3mol% of yttria (TZ3YE and TZ3YS, labeled as ZE and ZS, respectively) supplied by Tosoh (Japan) were used for this study. Maximum colloidal stability for ZE was achieved by dispersing ...
Escrig Villalonga, Marc(Universitat Politècnica de València, 2020-10-16)
[ES] El presente TFM tiene por objetivo la medición y análisis del espectro Raman del compuesto Bi2O2Se, con interesantes propiedades termoeléctricas, en condiciones de alta presión. Por tanto, el trabajo del alumno ...
Cuenca Gotor, Vanesa Paula(Universitat Politècnica de València, 2019-09-02)
[ES] El estudio de la materia sometida a condiciones extremas de presión y/o temperatura nos permite ampliar nuestros conocimientos sobre sus propiedades estructurales, elásticas, vibracionales, ópticas, eléctricas y ...
Ilyin, Dmytro(Universitat Politècnica de València, 2019-11-22)
[ES] En esta memoria se detalla el estudio de la claudetita mediante espectroscopía Raman a altas presiones, que ha sido realizado en el Laboratorio de Optoelectrónica y Semiconductores del departamento de Física Aplicada ...
Blay Roger, José Rubén(Universitat Politècnica de València, 2021-01-12)
[ES] La búsqueda de nuevos compuestos químicos con propiedades específicas representa uno de
los retos más significativos, no sólo para la industria químico-farmacéutica, sino para el mundo
científico en general. Los ...
Achary, S. Nagabhusan; Errandonea, Daniel; Santamaría-Pérez, David; Gomis, O.; Patwe, Sadiqua J.; Manjón Herrera, Francisco Javier; Rodríguez Hernández, Plácida; Muñoz, Alfonso; Tyagi, Avesh Kumar(American Chemical Society, 2015-07-06)
We report a combined experimental and theoretical study of melilite-type germanate, Sr2ZnGe2O7, under compression. In situ high-pressure X-ray diffraction and Raman scattering measurements up to 22 GPa were complemented ...
Achary, S. N.; Errandonea, Daniel; Muñoz, Alfonso; Rodríguez Hernández, Plácida; Manjón Herrera, Francisco Javier; Krishna, P. S. R.; Patwe, S. J.; Grover, V.; Tyagi, A.(Royal Society of Chemistry, 2013)
In this work we report the metastability and the energetics of the phase transitions of three different polymorphs of BiPO4, namely trigonal (Phase-I, space group P3(1)21), monoclinic monazite-type (Phase-II, space group ...
[EN] We report a joint experimental and theoretical study of the structural, vibrational, elastic, optical, and electronic properties of the layered high-mobility semiconductor Bi2O2Se at high pressure. A good agreement ...
[EN] YBO3 is used in photonics applications as a host for red phosphors due to its desirable chemical stability, high quantum efficiency and luminescence intensity. Despite its fundamental thermodynamic nature, the isothermal ...
Pereira, André Luis de Jesus; Santamaria-Pérez, David; Vilaplana Cerda, Rosario Isabel; Errandonea, Daniel; Popescu, Catalin; Da Silva, Estelina Lora; Sans-Tresserras, Juan Ángel; Rodríguez-Carvajal, Juan; Muñoz, Alfonso; Rodríguez-Hernández, Plácida; Mujica, Andres; Radescu, Silvana Elena; Beltrán, Armando; Otero-de-la-Roza, Alberto; Nalin, Marcelo; Mollar García, Miguel Alfonso; Manjón, Francisco-Javier(American Chemical Society, 2020-01-06)
[EN] SbPO4 is a complex monoclinic layered material characterized by a strong activity of the nonbonding lone electron pair (LEP) of Sb. The strong cation LEP leads to the formation of layers piled up along the a axis and ...
[EN] High-pressure X-ray diffraction studies on nanocrystals of the GdBO3 and YBO3 rare-earth orthoborates are herein reported up to 17.4(2) and 13.4(2) GPa respectively. The subsequent determination of the room- temperature ...
High-pressure optical absorption measurements have been performed in defect chalcopyrite HgGa2Se4 to investigate the influence of pressure on the bandgap energy and its relation with the pressure-induced order-disorder ...
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 ...
[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. ...
Garcia Domene, Braulio; Ortiz, H. M.; Gomis Hilario, Oscar; Sans, J. A.; Manjón Herrera, Francisco Javier; Muñoz, A.; Rodríguez-Hernández, P.; Achary, S. N.; Errandonea, D.; Martínez-García, D.; Romero, A. H.; Singhal, A.; Tyagi, A. K.(American Institute of Physics (AIP), 2012-12-19)
The effect of pressure on the vibrational properties of bulk and nanocrystallinepowders of cubic bixbyite-type In2O3 has been investigated at room temperature by means of Raman spectroscopy up to 31.6 and 30¿GPa, respectively. ...
We present an experimental and theoretical lattice-dynamical study of InN at high hydrostatic pressures. We perform Raman scattering measurements on five InN epilayers, with different residual strain and free electron ...
We report on high-pressure optical absorption measurements on InN epilayers with a range of free-electron concentrations (5×1017–1.6×1019 cm−3) to investigate the effect of free carriers on the pressure coefficient of the ...