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Pressure-induced phase transitions in AgClO4
dc.contributor.author | Errandonea, Daniel | |
dc.contributor.author | Gracia, Lourdes | |
dc.contributor.author | Beltran, Armando | |
dc.contributor.author | Vegas, Ángel | |
dc.contributor.author | Meng, Yue | |
dc.date.accessioned | 2012-05-16T08:02:13Z | |
dc.date.available | 2012-05-16T08:02:13Z | |
dc.date.issued | 2011-08-18 | |
dc.identifier.citation | Physical Review B (2011) vol. 84, no. 6 | ca_CA |
dc.identifier.issn | 1098-0121 | |
dc.identifier.issn | 1550-235X | |
dc.identifier.uri | http://hdl.handle.net/10234/37505 | |
dc.description.abstract | AgClO4 has been studied under compression by x-ray diffraction and density functional theory calculations. Experimental evidence of a structural phase transition from the tetragonal structure of AgClO4 to an orthorhombic barite-type structure has been found at 5.1 GPa. The transition is supported by total-energy calculations. In addition, a second transition to a monoclinic structure is theoretically proposed to take place beyond 17 GPa. The equation of state of the different phases is reported as well as the calculated Raman-active phonons and their pressure evolution. Finally, we provide a description of all the structures of AgClO4 and discuss their relationships. The structures are also compared with those of AgCl in order to explain the structural sequence determined for AgClO4. | ca_CA |
dc.format.extent | 11 p. | ca_CA |
dc.format.mimetype | application/pdf | ca_CA |
dc.language.iso | eng | ca_CA |
dc.publisher | American Physical Society | ca_CA |
dc.rights | © American Physical Society | ca_CA |
dc.rights.uri | http://rightsstatements.org/vocab/InC/1.0/ | * |
dc.subject | AgClO4 | ca_CA |
dc.subject | X-ray diffraction | ca_CA |
dc.subject | Pressure | ca_CA |
dc.subject.lcsh | Materials--Mechanical properties | ca_CA |
dc.subject.other | Materials--Propietats mecàniques | ca_CA |
dc.title | Pressure-induced phase transitions in AgClO4 | ca_CA |
dc.type | info:eu-repo/semantics/article | ca_CA |
dc.identifier.doi | http://dx.doi.org/10.1103/PhysRevB.84.064103 | |
dc.rights.accessRights | info:eu-repo/semantics/openAccess | ca_CA |
dc.relation.publisherVersion | http://link.aps.org/doi/10.1103/PhysRevB.84.064103 | ca_CA |
dc.type.version | info:eu-repo/semantics/publishedVersion |
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