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 ...
IBAÑEZ, JORDI; Sans-Tresserras, Juan Ángel; Cuenca-Gotor, Vanesa Paula; OLIVA, R.; Gomis, O.; Rodríguez-Hernández, Plácida; MUÑOZ, A.; Rodriguez-Mendoza, U.R.; Velazquez, M.; Veber, P.; Popescu, Catalin; Manjón, Francisco-Javier(American Chemical Society, 2020-07-20)
[EN] We report a joint experimental and theoretical investigation of the high pressure structural and vibrational properties of terbium sesquioxide (Tb2O3). Powder X-ray diffraction and Raman scattering measurements show ...
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 ...
[EN] This work reports the structural and vibrational properties of nanocrystals of corundum-type In2O3 (rh-In2O3) at high pressures by using angle-dispersive x-ray diffraction and Raman scattering measurements up to 30 ...
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 ...
Monteseguro, Virginia; Errandonea, Daniel; Achary, Srungarpu N.; Sans-Tresserras, Juan Ángel; Manjón, Francisco-Javier; Gallego-Parra, Samuel; Popescu, Catalin(American Chemical Society, 2019-08-19)
[EN] The effects of pressure on the crystal structure of aurophilic tetragonal gold iodide have been studied by means of powder X-ray diffraction up to 13.5 GPa. We found evidence of the onset of a phase transition at 1.5 ...
[EN] The crystal structure of CO2-filled pure-SiO2 LTA zeolite has been studied at high pressures and temperatures using synchrotron-based X-ray powder diffraction. Its structure consists of 13 CO2 guest molecules, 12 of ...
Pereira, A. L. J.; Errandonea, Daniel; Beltrán, A.; Gracia, L.; Gomis Hilario, Oscar; Sans, J. A.; García-Domene, B.; Miquel-Veyrat, A.; Manjón Herrera, Francisco Javier; Muñoz, Alfonso; Popescu, Catalin(IOP Publishing: Hybrid Open Access, 2013-11-27)
An experimental and theoretical study of the structural properties of monoclinic bismuth oxide (alpha-(BiO3)-O-2) under high pressures is here reported. Both synthetic and mineral bismite powder samples have been compressed ...
Ibáñez, Jordi; Sans-Tresserras, Juan Ángel; Popescu, Catalin; López-Vidrier, J.; Elvira-Betanzos, J.J.; Cuenca Gotor, Vanesa Paula; Gomis, O.; Manjón Herrera, Francisco Javier; Rodríguez-Hernández, P.; Muñoz, Alfonso(American Chemical Society, 2016-04)
Antimony trisulfide (Sb2S3), found in nature as the mineral stibnite, has been studied under compression at room temperature from a joint experimental and theoretical perspective. X-ray diffraction and Raman scattering ...
[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 ...
Sans-Tresserras, Juan Ángel; Manjón, Francisco-Javier; Pereira, Andre Luis de Jesus; Ruiz-Fuertes, Javier; Popescu, Catalin; Muñoz, Alfonso; Rodríguez-Hernández, Plácida; Pellicer-Porres, Julio; Cuenca-Gotor, Vanesa Paula; Contreras-García, Julia; Ibañez, Jordi; Monteseguro, Virginia(Royal Society of Chemistry, 2021-04-28)
[EN] The structural, vibrational and electronic properties of the compressed ß-Sb2O3 polymorph, a.k.a. mineral valentinite, have been investigated in a joint experimental and theoretical study up to 23 GPa. The compressibility ...