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Phase Transitions of BiVO4 under High Pressure and High Temperature

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Phase Transitions of BiVO4 under High Pressure and High Temperature

dc.contributor.author	Sánchez Martín, Josu
dc.contributor.author	Errandonea Ponce, Daniel
dc.contributor.author	Pellicer Porres, Julio
dc.contributor.author	Vázquez Socorro, David
dc.contributor.author	Martínez García, Domingo
dc.contributor.author	Achary, S. Nagabhusan
dc.contributor.author	Popescu, C.
dc.date.accessioned	2023-06-14T06:42:54Z
dc.date.available	2023-06-15T04:45:05Z
dc.date.issued	2022	es_ES
dc.identifier.citation	Sánchez-Martín, J., Errandonea, D., Pellicer-Porres, J., Vázquez-Socorro, D., Martínez-García, D., Achary, S. N., & Popescu, C. (2022). Phase Transitions of BiVO4 under High Pressure and High Temperature. The Journal of Physical Chemistry C, 126(17), 7755-7763.	es_ES
dc.identifier.uri	https://hdl.handle.net/10550/87890
dc.description.abstract	We have studied the occurrence of phase transitions in two polymorphs of BiVO4 under high-pressure and high-temperature conditions by means of X-ray diffraction measurements. The fergusonite polymorph undergoes a phase transition at 1.5(1) GPa and room temperature into a tetragonal scheelite-type structure. The same transition takes place at 523(1) K and ambient pressure. A second phase transition takes place at room temperature under compression at 16(1) GPa. The transition is from the tetragonal scheelite structure to a monoclinic structure (space group P21/c). All observed phase transitions are reversible. The zircon polymorph counterpart also transforms under compression into the scheelite-type structure. In this case, the transitions take place at 4.3(1) GPa and room temperature and at 653(1) K and ambient pressure. The zircon–scheelite transition is nonreversible. The experiments support that the fergusonite–scheelite transformation is a second-order transition and that the zircon–scheelite transformation is a first-order transition. Finally, we have also determined the compressibility and the thermal expansion of the fergusonite, scheelite, and zircon phases.	es_ES
dc.language.iso	en	es_ES
dc.publisher	ACS	es_ES
dc.subject	chemical structure	es_ES
dc.subject	compressibility	es_ES
dc.subject	diffraction	es_ES
dc.subject	phase transitions	es_ES
dc.subject	thermal expansion	es_ES
dc.title	Phase Transitions of BiVO4 under High Pressure and High Temperature	es_ES
dc.type	journal article	es_ES
dc.subject.unesco	UNESCO::CIENCIAS TECNOLÓGICAS	es_ES
dc.identifier.doi	10.1021/acs.jpcc.2c01184	es_ES
dc.identifier.idgrec	155007
dc.accrualmethod	CI	es_ES
dc.embargo.terms	0 days	es_ES
dc.type.hasVersion	VoR	es_ES
dc.rights.accessRights	open access	es_ES