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CONDENSED MATTER: ELECTRONIC STRUCTURE, ELECTRICAL, MAGNETIC, AND OPTICAL PROPERTIES

Metal-Insulator Transition in CuIr2(S1−xTex)4

Yue Song et al 2009 Chinese Phys. Lett. 26 117103 (3pp)   doi: 10.1088/0256-307X/26/11/117103  Help

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Yue Song1, Du Juan1, Zhang Yuan1 and Zhang Yu-Heng2
1 Department of Physics, Jinan University, Guangzhou 510632
2 National High Magnetic Field Laboratory, University of Science and Technology of China, Hefei 230026
E-mail: ysongx50@163.com (Yue Song)

Abstract. The resistivity and magnetization for the CuIr2(S1−xTex)4 (0 = ≤ × ≤ 0.10) system are investigated. Compared with the Se doping, the substitution of Te for S leads to stronger suppression on the metal-insulator transition. Vacancies and imperfections in the sample lattice are found to modify the magnetization, which can be qualitatively understood to consist of the Pauli paramagnetism, Landau diamagnetism, Larmor diamagnetism and Curie magnetism contributions.

PACS numbers: 71.30.+h, 72.80.Ga

Print publication: Issue 11 (November 2009)
Received 11 June 2009

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