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Phase transitions in PbTe under quasi-hydrostatic pressure up to 50GPa
Li YC(李延春); Lin CL(林传龙); Li, YC; Lin, CL; Li, H; Li, XD; Liu, J; Li XD(李晓东); Liu J(刘景)
2013
发表期刊HIGH PRESSURE RESEARCH
卷号33期号:4页码:713-719
摘要PbTe has been investigated using synchrotron X-ray diffraction (XRD) in a diamond anvil cell under quasi-hydrostatic pressures up to 50 GPa. Upon compression to 6.6 GPa, the initial NaCl phase transforms to an intermediate phase, which is confirmed to be an orthorhombic structure with a space group Pnma. At 18.4 GPa, the intermediate Pnma phase undergoes a phase transition to the CsCl structure. The systemic analysis of the crystal structures between the NaCl and intermediate phases indicates that the structure of the Pnma phase could be derived from the distortion of the NaCl structure. The bulk modulus of the CsCl phase is B-0=52(2) GPa with V-0=60.8(4) angstrom(3) and B-0=4.0 (fixed), slightly larger than the NaCl phase (B-0=44(1) GPa) and the intermediate phase (B-0=49(3) GPa).
关键词PbTe high pressure diamond anvil cell phase transition
学科领域Physics
DOI10.1080/08957959.2013.848278
收录类别SCI
WOS记录号WOS:000327931000001
引用统计
被引频次:2[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/224046
专题多学科研究中心
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GB/T 7714
Li YC,Lin CL,Li, YC,et al. Phase transitions in PbTe under quasi-hydrostatic pressure up to 50GPa[J]. HIGH PRESSURE RESEARCH,2013,33(4):713-719.
APA 李延春.,林传龙.,Li, YC.,Lin, CL.,Li, H.,...&刘景.(2013).Phase transitions in PbTe under quasi-hydrostatic pressure up to 50GPa.HIGH PRESSURE RESEARCH,33(4),713-719.
MLA 李延春,et al."Phase transitions in PbTe under quasi-hydrostatic pressure up to 50GPa".HIGH PRESSURE RESEARCH 33.4(2013):713-719.
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