Debye Temperature of the MgCNi<suB>3</suB> Superconductor

Chin. Phys. Lett.

2002, Vol. 19

Issue (2): 249-251 DOI:

Original Articles

Debye Temperature of the MgCNi₃ Superconductor

WEI Zhi-Feng^1,2;CHEN Xiao-Long¹;CHE Guang-Can¹;WANG Fu-Ming²;LI Wen-Chao²;HE Meng¹

¹Institute of Physics and Center for Condensed Matter Physics, Chinese Academy of Science, Beijing 100080 ²Department of Physical Chemistry, University of Science and Technology Beijing, Beijing 100083

Cite this article:

WEI Zhi-Feng, CHEN Xiao-Long, CHE Guang-Can et al 2002 Chin. Phys. Lett. 19 249-251

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Abstract We have determined the Debye temperature of the MgCNi₃ superconductor by using the Rietveld refinement method based on the powder x-ray diffraction data. MgCNi₃ crystallizes in the cubic perovskite structure with space group Pm3m and lattice constant a = 3.8089Å. The temperature factors of the atoms Mg, C and Ni are 0.52, 0.45 and 0.44, respectively. The Debye temperature of MgCNi₃ is calculated to be _D = 440K.

Keywords: 63.70.h 61.10.Yh 74.70.-b

Published: 01 February 2002

PACS:	63.70.h
	61.10.Yh
	74.70.-b	(Superconducting materials other than cuprates)

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y2002/V19/I2/0249

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	WEI Zhi-Feng
	CHEN Xiao-Long
	CHE Guang-Can
	WANG Fu-Ming
	LI Wen-Chao
	HE Meng

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