Effect of Se-Substitution on the Magnetic and Electrical Transition in the NiAs-Type NiS

Shuichiro Anzai, Masanori Matoba, Masakazu Hatori, Hiroshi Sakamoto

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Abstract

Hexagonal lattice parameters a and c of the NiAs-type NiS1−ySey expand with increasing y below the solubility limit yL=0.20. The first-order transition temperature Tt(y) [between the antiferromagnetic less-conductive and the Pauli-paramagnetic high-conductive states] decreases with increasing y, and is suppressed down to liq. He temperature at the critical concentration yc=0.133. Just above Tt(y) the temperature slope of the susceptibility has positive sign at low y, and shows a y-dependence. The isothermal susceptibility of the Pauli-paramagnetic state decreases with increasing y. These experimental results are discussed on the basis of the strongly correlated features of d and p bands in NiS.

Original languageEnglish
Pages (from-to)2531-2534
Number of pages4
JournalJournal of the Physical Society of Japan
Volume55
Issue number8
DOIs
Publication statusPublished - 1986 Aug

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ASJC Scopus subject areas

  • Physics and Astronomy(all)

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