Please use this identifier to cite or link to this item: https://doi.org/10.1103/PhysRevB.49.1433
Title: Spectroscopic evidence of pressure-induced amorphization in α-NaVO3
Authors: Shen, Z.X. 
Ong, C.W.
Tang, S.H. 
Kuok, M.H. 
Issue Date: 1994
Source: Shen, Z.X., Ong, C.W., Tang, S.H., Kuok, M.H. (1994). Spectroscopic evidence of pressure-induced amorphization in α-NaVO3. Physical Review B 49 (2) : 1433-1436. ScholarBank@NUS Repository. https://doi.org/10.1103/PhysRevB.49.1433
Abstract: Raman spectra of α-NaVO3 were recorded under pressures up to 170 kbar at room temperature. A crystalline-amorphous phase transition was found at ∼61 kbar, much lower than the pressures of other ionic materials. This transition is marked by the sudden appearance of very broad bands at the 800- and 350-cm-1 regions. The amorphization involves the complete breaking up of the infinite chains of corner-linked tetrahedral VO4, most likely into VO3-. On decompression, the amorphous phase transforms to another phase, probably also amorphous at ∼40 kbar. It reverts to the stable ambient-condition α phase upon heating. © 1994 The American Physical Society.
Source Title: Physical Review B
URI: http://scholarbank.nus.edu.sg/handle/10635/97983
ISSN: 01631829
DOI: 10.1103/PhysRevB.49.1433
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