Pressure effects in phonon modes and structure of AIIB2IIIC4IV compounds and combinations

Tatsi, A; Lampakis, D; Liarokapis, E; Lopez, SA; Martinez, L; Giriat, W

dc.contributor.author	Tatsi, A	en
dc.contributor.author	Lampakis, D	en
dc.contributor.author	Liarokapis, E	en
dc.contributor.author	Lopez, SA	en
dc.contributor.author	Martinez, L	en
dc.contributor.author	Giriat, W	en
dc.date.accessioned	2014-03-01T01:18:15Z
dc.date.available	2014-03-01T01:18:15Z
dc.date.issued	2002	en
dc.identifier.issn	08957959	en
dc.identifier.uri	https://dspace.lib.ntua.gr/xmlui/handle/123456789/14889
dc.subject	High pressure	en
dc.subject	Phonons	en
dc.subject	Raman spectroscopy	en
dc.subject.other	Crystallization	en
dc.subject.other	Diamonds	en
dc.subject.other	Hydrostatic pressure	en
dc.subject.other	Light amplifiers	en
dc.subject.other	Polarization	en
dc.subject.other	Raman spectroscopy	en
dc.subject.other	High pressure	en
dc.subject.other	Ternary compounds	en
dc.subject.other	Zinc compounds	en
dc.title	Pressure effects in phonon modes and structure of AIIB2IIIC4IV compounds and combinations	en
heal.type	journalArticle	en
heal.identifier.primary	10.1080/08957950211338	en
heal.identifier.secondary	http://dx.doi.org/10.1080/08957950211338	en
heal.publicationDate	2002	en
heal.abstract	AIIB2IIIC4VI compounds have been prepared with AII=Zn, Cd, Mn, BIII=In, and CVI=S, Se. These atomic substitutions induce modifications in the structure and frequency for some of the phonons. These compounds have been studied by Raman spectroscopy at ambient conditions and under hydrostatic pressures. All phonons appear in the spectral region below 400cm-1. High-pressure measurements have shown the existence of soft modes. New modes seem to appear at high pressures due to the phonon splitting. All low frequency phonons of the Zn0.6Mn0.4In2S4 compound show a sudden modification in the frequency dependence on pressure above ≃2GPa. Based on the Raman results we propose an assignment for the modes and try to extract information about the structure and the possible phase transitions.	en
heal.journalName	High Pressure Research	en
dc.identifier.doi	10.1080/08957950211338	en
dc.identifier.volume	22	en
dc.identifier.issue	1	en
dc.identifier.spage	89	en
dc.identifier.epage	93	en