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Chinese Physics Letters Volume 26 Number 11 Create an alert RSS this journal

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

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

Yue Song1, Du Juan1, Zhang Yuan1 and Zhang Yu-Heng2

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Abstract References

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

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

71.30.+h Metal-insulator transitions and other electronic transitions

75.20.Ck Nonmetals

61.72.up Other materials

61.72.J- Point defects and defect clusters

72.80.Sk Insulators

75.60.Ej Magnetization curves, hysteresis, Barkhausen and related effects

Subjects

Condensed matter: electrical, magnetic and optical

Condensed matter: structural, mechanical & thermal

Dates

Issue 11 (November 2009)

Received 11 June 2009



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