High pressure-induced phase transitions in CdS up to 1 Mbar
Li YC(李延春); Li, YC; Zhang, XN; Li, H; Li, XD; Lin, CL; Xiao, WS; Liu, J; Li XD(李晓东); Lin CL(林传龙); Liu J(刘景)
AbstractThe pressure-induced structural transformations of CdS have been investigated using synchrotron x-ray diffraction in a diamond anvil cell up to 104 GPa and the density functional theory calculations. The x-ray diffraction experiments show that CdS is stable with the wurtzite-type structure at ambient conditions. The wurtzite-type phase transforms to NaCl-type structure at 3 GPa, which is followed by a second phase transition at 52.3 GPa. In the diffraction patterns, the peak-splitting is observed, indicating that the high-pressure phase appearing at 52.3 GPa is the Pmmn structure, rather than the Cmcm phase reported earlier. With increasing pressure, the lattice parameter a of the Pmmn phase increases abnormally, contrary to decrease of b and c axes. Our calculations reveal that the abnormal change of the a-axis could be related to the pressure-induced crystal structural change. The bulk modulus (B-0), is 64.3(9) GPa for wurzite-type phase, 105(2) GPa for NaCl-type phase, and 54(4) GPa for the Pmmn phase, respectively. (C) 2013 American Institute of Physics. [http://dx.doi.org/10.1063/1.4792233]
Subject AreaPhysics
Indexed BySCI ; ADS
WOS IDWOS:000315667500020
ADS Bibcode2013JAP...113h3509L
ADS URLhttps://ui.adsabs.harvard.edu/abs/2013JAP...113h3509L
ADS CITATIONShttps://ui.adsabs.harvard.edu/abs/2013JAP...113h3509L/citations
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Cited Times:9 [ADS]
Document Type期刊论文
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GB/T 7714
Li YC,Li, YC,Zhang, XN,et al. High pressure-induced phase transitions in CdS up to 1 Mbar[J]. JOURNAL OF APPLIED PHYSICS,2013,113(8):83509.
APA 李延春.,Li, YC.,Zhang, XN.,Li, H.,Li, XD.,...&刘景.(2013).High pressure-induced phase transitions in CdS up to 1 Mbar.JOURNAL OF APPLIED PHYSICS,113(8),83509.
MLA 李延春,et al."High pressure-induced phase transitions in CdS up to 1 Mbar".JOURNAL OF APPLIED PHYSICS 113.8(2013):83509.
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