Low-Temperature NMR Study of the Semiconductor Mineral CuFeS2

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 ant...

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Bibliographic Details
Published in:Journal of applied spectroscopy 2016-11, Vol.83 (5), p.771-775
Main Authors: Ogloblichev, V. V., Sevastyanov, I. G., Gavrilenko, A. N., Matukhin, V. L., Arapova, I. J., Medvedev, E. J., Garkavyi, S. O., Schmidt, E. V.
Format: Article
Language:English
Subjects:
Analytical Chemistry
Antiferromagnetism
Atomic/Molecular Structure and Spectra
Low temperature
Magnetic transitions
Physics
Physics and Astronomy
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Summary: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.
ISSN:0021-9037
1573-8647
DOI:10.1007/s10812-016-0361-7