1973
DOI: 10.1515/znb-1973-3-406
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Schwingungsspektren von Kristallen mit Olivin-Struktur / Vibrational Spectra of Crystals with Olivine Structure

Abstract: Crystal vibrational spectra, olivine, silicates, Raman spectra, IR spectra Polarized R a m a n (Ra) and IR reflection spectra from single crystals of olivine, forsterite, monticellite and tephroite have been measured and assigned. Comparing the different spectra including those of other substances of the same structure, it could be shown, that the four stretching vibrations of the S i0 4 tetrahedra are the only vibrations which may be interpreted as independent group vibrations. Cation typical vibrations are m… Show more

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Cited by 18 publications
(4 citation statements)
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“…However, because of the low intensity of the modes below 600 cm −1 , a correct mode assignment was hardly performed, also for the mixed nature of the modes. Besides in the diagnostic Si‐O stretching modes at higher wavenumber, the contribution of the different oxygen in the tetrahedron for each mode was not assessed …”
Section: Introductionmentioning
confidence: 99%
See 1 more Smart Citation
“…However, because of the low intensity of the modes below 600 cm −1 , a correct mode assignment was hardly performed, also for the mixed nature of the modes. Besides in the diagnostic Si‐O stretching modes at higher wavenumber, the contribution of the different oxygen in the tetrahedron for each mode was not assessed …”
Section: Introductionmentioning
confidence: 99%
“…Besides in the diagnostic Si-O stretching modes at higher wavenumber, the contribution of the different oxygen in the tetrahedron for each mode was not assessed. [10][11][12][13][14] On the other hand, several studies on the effects of temperature, pressure and composition by means of vibrational spectroscopy have been carried out to link the Raman peaks to the structure. Chopelas, [12] and Wang et al [15] carried out some of the earliest Raman measurements at high pressures in a diamond anvil cell, up to about 20 GPa on forsterite to investigate its thermodynamic properties.…”
Section: Introductionmentioning
confidence: 99%
“…Normally, the vibrations of SiO 4 tetrahedra in orthosilicates range between 1000 and 400 cm -1 as observed in olivine (32) or zirconite (33). Valence vibrations are found above 860 cm À1 , and deformation modes below 620 cm À1 .…”
Section: Vibrational Spectroscopymentioning
confidence: 96%
“…Drei intensive Absorptionsbanden liegen zwischen 480 und 420 cm ±1 . Diesem Bereich werden in Olivinen antisymmetrische und symmetrische Deformationsschwingungen des Siliciumtetraeders zugeschrieben [29,30]. Durch Vergleich mit Spektren in anderen Publikationen z.…”
Section: Introductionunclassified