A Raman spectroscopic study of the phase transition in omphacite
Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt
Standard
A Raman spectroscopic study of the phase transition in omphacite. / Katerinopoulou, Anna; Musso, Maurizio; Amthauer, Georg.
I: Vibrational Spectroscopy, Bind 48, 2008, s. 163-167.Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt
Harvard
APA
Vancouver
Author
Bibtex
}
RIS
TY - JOUR
T1 - A Raman spectroscopic study of the phase transition in omphacite
AU - Katerinopoulou, Anna
AU - Musso, Maurizio
AU - Amthauer, Georg
PY - 2008
Y1 - 2008
N2 - Omphacites are very important in petrology because of their occurrence in rocks metamorphosed under high-pressure conditions. They have a wide thermobaric range of stability. Raman spectra of a natural, iron-bearing, ordered omphacite have been studied and compared with the experimentally disordered spectra. The order-disorder phase transition causes extra modes in the spectra. The ordering state affects the full width at half maximum (FWHM) of the main omphacite peak at 680 cm_1. Ordered omphacite shows a split peak around 1010 cm_1 caused by the slightly different orientation of tetrahedra in the monoclinic chain.
AB - Omphacites are very important in petrology because of their occurrence in rocks metamorphosed under high-pressure conditions. They have a wide thermobaric range of stability. Raman spectra of a natural, iron-bearing, ordered omphacite have been studied and compared with the experimentally disordered spectra. The order-disorder phase transition causes extra modes in the spectra. The ordering state affects the full width at half maximum (FWHM) of the main omphacite peak at 680 cm_1. Ordered omphacite shows a split peak around 1010 cm_1 caused by the slightly different orientation of tetrahedra in the monoclinic chain.
KW - Faculty of Science
KW - Raman
KW - Phase transition
KW - Pyroxenes
KW - Omphacite
U2 - 10.1016/j.vibspec.2007.12.015
DO - 10.1016/j.vibspec.2007.12.015
M3 - Journal article
VL - 48
SP - 163
EP - 167
JO - Vibrational Spectroscopy
JF - Vibrational Spectroscopy
SN - 0924-2031
ER -
ID: 9086692