Pereira, A. L. J.; Gomis, O.; Sans Tresserras, Juan Ángel; Contreras-García, J.; Manjón Herrera, Francisco Javier; Rodríguez-Hernández, P.; Muñoz, A.; Beltrán, A.(American Physical Society, 2016-06-30)
We report a joint experimental and theoretical study of the optical properties of tetragonal bismuth oxide (beta-Bi2O3) at high pressure by means of optical absorption measurements combined with ab initio electronic band ...
We have studied the effect of pressure on the structural and vibrational properties of lanthanum tritungstate
La2(WO4)3. This compound crystallizes under ambient conditions in the modulated scheelite-type structure
known ...
Ruiz-Fuertes, Javier; Friedrich, A.; Gomis, O.; Errandonea, Daniel; Morgenroth, W.; Sans Tresserras, Juan Ángel; Santamaria-Perez, David(American Physical Society, 2015-03-30)
The pressure-induced phase transition of the multiferroic manganese tungstate MnWO4 is studied on single crystals using synchrotron x-ray diffraction and Raman spectroscopy. We observe the monoclinic P2/c to triclinic P ...
Gomis, O.; Ortiz, H. M.; Sans Tresserras, Juan Ángel; Manjón Herrera, Francisco Javier; Santamaría-Pérez, D.; Rodríguez-Hernández, P.; Muñoz, A.(Elsevier, 2016-11)
We have theoretically investigated the elastic properties of calcite-type orthoborates ABO(3) (A= Sc and In) at high pressure by means of ab initio total-energy calculations. From the elastic stiffness coefficients, we ...
Pereira, Andre L. J.; Sans Tresserras, Juan Ángel; Vilaplana Cerda, Rosario Isabel; Gomis, O.; Manjón Herrera, Francisco Javier; Rodriguez-Hernandez, Placida; Muñoz, Alfonso; Popescu, Catalin; Beltran, Armando(American Chemical Society, 2014-10-09)
We report a joint experimental and theoretical study of the structural and vibrational properties of synthetic sphaerobismoite (beta-Bi2O3) at high pressures in which room-temperature angle-dispersive X-ray diffraction ...
Manjón Herrera, Francisco Javier; Gomis Hilario, Oscar; Vilaplana Cerda, Rosario Isabel; Sans Tresserras, Juan Ángel; Ortiz, H. M.(Wiley-VCH Verlag, 2013-08)
Adamantine ternary ordered-vacancy compounds (OVCs) of the AB(2)X(4) family derive from the zincblende structure of binary AX compounds and share many properties with the chalcopyrite-type ternary ABX(2) compounds. AB(2)X(4) ...
Sans Tresserras, Juan Ángel; Manjón Herrera, Francisco Javier; Pereira, A.L.J.; Gómez-Tejedor, José Antonio; Monsoriu Soriano, Juan Carlos(IOP Publishing: Hybrid Open Access, 2013-11)
This paper makes use of a smartphone's ambient light sensor to analyse a system of two coupled springs undergoing either simple or damped oscillatory motion. The period, frequency and stiffness of the spring, together with ...
García-Domene, B.; Sans Tresserras, Juan Ángel; Gomis, O.; Manjón Herrera, Francisco Javier; Ortiz, H. M.; Errandonea, Daniel; Santamaría Pérez, David; Martinez-Garcia, D.; Vilaplana Cerda, Rosario Isabel; Pereira, A. L. J.; Morales-Garcia, A.; Rodríguez Hernández, Plácida; Muñoz, Alfonso; Popescu, Catalin; Segura, A.(American Chemical Society, 2014-09-04)
High-pressure powder X-ray diffraction and Raman scattering measurements in cubic bixbyite-type indium oxide (c-In2O3) have been performed at room temperature. On increasing pressure c-In2O3 undergoes a transition to the ...
Ruiz Fuertes, Javier; Gomis, O.; León Luis, S. F.; Schrodt, N.; Manjón Herrera, Francisco Javier; Ray, Sudeshna; Santamaría Pérez, David; Sans Tresserras, Juan Ángel; Ortiz, H. M.; Errandonea, Daniel; Ferrer Roca, Chantal; Segura, A.; Martínez García, Domingo; Lavin, V.; Rodríguez Mendoza, U. R.; Muñoz, A.(IOP Publishing: Hybrid Open Access, 2016-01-15)
A structural transformation from the zircon-type structure to an amorphous phase has been found in YVO4:Eu3+ nanoboxes at high pressures above 12.7 GPa by means of x-ray diffraction measurements. However, the pair distribution ...
Martínez Criado, Gema; Homs Puron, Alejandro A.; Alen, Benito; Sans Tresserras, Juan Ángel; Segura Ruiz, Jaime; Molina Sánchez, Alejandro; Susini, Jean; Jinkyoung Yoo; Gyu-Chul Yi(American Chemical Society, 2012-11)
Theoretically core-multishell nanowires under a cross-section of hexagonal geometry should exhibit peculiar confinement effects. Using a hard X-ray nanobeam, here we show experimental evidence for carrier localization ...
Vilaplana Cerda, Rosario Isabel; Sans Tresserras, Juan Ángel; Manjón Herrera, Francisco Javier; Andrada-Chacón, A.; Sánchez-Benitez, J.; Popescu, C.; Gomis, O.; Pereira, A. L. J.; García-Domene, B.; Rodríguez-Hernández, P.; Muñoz, A.; Daisenberger, D.; Oeckler, O.(Elsevier, 2016-11-15)
We report high-pressure X-ray diffraction and electrical measurements of the topological insulator SnBi2Te4 at room temperature. The pressure dependence of the structural properties of the most stable phase of SnBi2Te4 at ...
Sans Tresserras, Juan Ángel; Santamaría Pérez, David; Popescu, Catalin; Gomis, O.; Manjón Herrera, Francisco Javier; Vilaplana Cerda, Rosario Isabel; Muñoz, Alfonso; Rodríguez Hernández, Plácida; Ursaki, Veacheslav; Tiginyanu, Ivan(American Chemical Society, 2014-07-17)
The behavior of defect chalcopyrite CdAl2S4 at high pressures and ambient temperature has been investigated in a joint experimental and theoretical study. High-pressure X-ray diffraction and Raman scattering measurements ...
Santamaría Pérez, David; Gomis, O.; Pereira, A. L. J.; Vilaplana Cerda, Rosario Isabel; Popescu, Catalin; Sans Tresserras, Juan Ángel; Manjón Herrera, Francisco Javier; Rodríguez Hernández, Plácida; Muñoz, Alfonso; Ursaki, Vladislav V.; Tiginyanu, Ion M.(American Chemical Society, 2014-11-20)
We report a comprehensive experimental and theoretical study of the structural and vibrational properties of a-CdIn2Se4 under compression. Angle-dispersive synchrotron X-ray diffraction and Raman spectroscopy evidence that ...
García-Domene, B.; Sans Tresserras, Juan Ángel; Manjón Herrera, Francisco Javier; Ovsyannikov, Sergey V.; Dubrovinsky, L.S.; Martinez-Garcia, D.; Gomis, O.; Errandonea, D.; Moutaabbid, H.; Le Godec, Y.; Ortiz, H.M.; Muñoz, A.; Rodríguez-Hernández, P.; Popescu, C.(American Chemical Society, 2015-12-31)
This work reports the high-pressure and high-temperature (HP-HT)
synthesis of pure rhombohedral (corundum-type) phase of indium oxide (In2O3)
from its most stable polymorph, cubic bixbyite-type In2O3, using a multianvil ...