Structural and spectroscopic properties of Sr 2 ZnTeO 6 (SZTO) were investigated by angle-dispersive synchrotron X-ray powder diffraction and Raman spectroscopy in a diamond anvil cell up to 31 GPa at room temperature. Although SZTO remained stable up to the highest pressure, the different pressure coefficients of the normalized axial compressibility were obtained as βab =8.16×10-3 GPa-1 and βc =7.61×10-3 GPa-1 . The bulk modulus B0 was determined to be 190(1) GPa by fitting the pressure-volume data using t...
【英文摘要】
Structural and spectroscopic properties of Sr 2 ZnTeO 6 (SZTO) were investigated by angle-dispersive synchrotron X-ray powder diffraction and Raman spectroscopy in a diamond anvil cell up to 31 GPa at room temperature. Although SZTO remained stable up to the highest pressure, the different pressure coefficients of the normalized axial compressibility were obtained as βab =8.16×10-3 GPa-1 and βc =7.61×10-3 GPa-1 . The bulk modulus B0 was determined to be 190(1) GPa by fitting the pressure–volume data using t...
【基金】
Project supported by the National Natural Science Foundation of China (Grant No. 51172091);
the Program for New Century Excellent Talents in University,China;
the National Fund for Fostering Talents of Basic Science, China (Grant No. J1103202)
【更新日期】
2013-05-27
【分类号】
O611.4
【正文快照】
1. Introduction In the past few decades, the double-perovskite structured compounds with the general formula A 2 BB O 6 (A = alkaline, alkaline-earth, or rare-earth ions, B and B = transition metal ions) have been studied extensively for their potential a
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