Compressibility of Lattice Parameters of Several Layered Compounds

Chin. Phys. Lett.

2006, Vol. 23

Issue (4): 911-914 DOI:

Original Articles

Compressibility of Lattice Parameters of Several Layered Compounds

LI Feng-Ying¹;JIN Chang-Qing¹;CHEN Liang-Chen¹;ZHOU Bo;SHI Li-Chi¹;LIU Jing²;LI Xiao-Dong²;LI Yan-Chun²;YU Ri-Cheng¹

¹Institute of Physics, Chinese Academy of Sciences, Beijing 100080 ²Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100080

Cite this article:

LI Feng-Ying, JIN Chang-Qing, CHEN Liang-Chen et al 2006 Chin. Phys. Lett. 23 911-914

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Abstract The lattice parameters of AlB₂, MgB₂ and TiB₂ under pressures are determined with a high-energy synchrotron source in a diamond anvil cell. The experimental results indicate that these three compounds have different mechanical behaviour under pressures, TiB₂ is the hardest and MgB₂ is the softest among the three materials. The phenomena are explained in terms of bonding strength in the crystal. Our results may be helpful for understating the decrease of the superconducting transition temperature of MgB₂ under pressures.

Keywords: 61.10.Nz 62.50.+p 74.70.Ad

Published: 01 April 2006

PACS:	61.10.Nz
	62.50.+p
	74.70.Ad	(Metals; alloys and binary compounds)

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y2006/V23/I4/0911

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	LI Feng-Ying
	JIN Chang-Qing
	CHEN Liang-Chen
	ZHOU Bo
	SHI Li-Chi
	LIU Jing
	LI Xiao-Dong
	LI Yan-Chun
	YU Ri-Cheng

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