Low-Temperature NMR Study of the Semiconductor Mineral CuFeS 2

V. V. Ogloblichev,I. G. Sevastyanov,A. N. Gavrilenko,V. L. Matukhin,I. J. Arapova,E. J. Medvedev,S. O. Garkavyi,E. V. Schmidt

Journal of Applied Spectroscopy（2016）

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摘要

Characteristic NMR parameters of 63,65 Cu in the local magnetic field of the semiconductor mineral chalcopyrite CuFeS 2 were measured in the range 26–77 K. The behavior of the 63,65 Cu NMR spectral and relaxation parameters in the local field indicated that a magnetic phase transition related to antiferromagnetic ordering of Cu 2+ magnetic moments did not occur at ~50 K in the studied CuFeS 2 sample.

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关键词

NMR,electric field gradient,quadrupole parameters,semiconductor,chalcopyrite

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