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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 ...
Vibrational and elastic properties of As4O6 and As4O6·2He at high pressures: Study of dynamical and mechanical stability

Cuenca Gotor, Vanesa Paula; Gomis, O.; Sans-Tresserras, Juan Ángel; Manjón Herrera, Francisco Javier; Rodríguez Hernández, P.; Muñoz, A. (AIP Publishing, 2016-10)

The formation of a new compound with stoichiometry As4O62He at relatively low pressure (3 GPa) has been recently reported when arsenolite (As4O6) powder is compressed with helium as a pressure-transmitting medium. In ...

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