High-pressure Raman study on the BaSO4 - SrSO4 series

Yen Hua Chen, Eugene Huang, Shu Cheng Yu

研究成果: Article同行評審

25 引文 斯高帕斯(Scopus)

摘要

High-pressure Raman spectroscopic studies of the BaSO4-SrSO4 binary series are carried out. The variations of the Raman spectra show 1-2 bonding-state transitions. The first pressure transition may be in relation to the re-arrangement of Ba-O/Sr-O or S-O, while the second one may indicate an indistinct structural transition leading to some structural degeneracies. It is observed that the transition occurs at a lower pressure with increasing BaSO4 molar ratio. Moreover, the radius of the cations is the main factor in the transformations of the sulfates with pressures. Barite (BaSO4), celestine (SrSO4), and their solid solutions have the same transitional behavior, and their transitions with pressures are all regarded as reversible. Crown

原文English
頁(從 - 到)2050-2052
頁數3
期刊Solid State Communications
149
發行號45-46
DOIs
出版狀態Published - 2009 十二月

All Science Journal Classification (ASJC) codes

  • 化學 (全部)
  • 凝聚態物理學
  • 材料化學

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