Electron correlation and magnetism in NiS: Implications of photoemission spectra

A. Fujimori; K. Terakura; M. Taniguchi; S. Ogawa; S. Suga; M. Matoba; S. Anzai

doi:10.1103/PhysRevB.37.3109

Rapid Communication

Electron correlation and magnetism in NiS: Implications of photoemission spectra

A. Fujimori, K. Terakura, M. Taniguchi, S. Ogawa, S. Suga, M. Matoba, and S. Anzai

Phys. Rev. B 37, 3109(R) – Published 15 February 1988

Abstract

The photoemission spectra of NiS in both antiferromagnetic and Pauli paramagnetic phases show similar characteristic features of localized d electrons. This finding is in contrast with the results of band-structure calculations which predict drastic spectral changes between the two phases. It is suggested that fluctuations of the Ni 3d local moments due to hybridization with S 3p states near the Fermi level are responsible for the Pauli paramagnetic behavior.

Received 20 October 1987

DOI:https://doi.org/10.1103/PhysRevB.37.3109

Authors & Affiliations

A. Fujimori

National Institute for Research in Inorganic Materials, Sakura-mura, Niihari-gun, Ibaraki 305, Japan

K. Terakura

Institute for Solid State Physics, The University of Tokyo, Roppongi, Tokyo 106, Japan

M. Taniguchi, S. Ogawa, and S. Suga

Synchrotron Radiation Laboratory, Institute for Solid State Physics, The University of Tokyo, Tanashi, Tokyo 188, Japan

M. Matoba and S. Anzai

Faculty of Science and Technology, Keio University, Hiyoshi, Yokohama, Kanagawa 223, Japan

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Vol. 37, Iss. 6 — 15 February 1988

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Physical Review B

covering condensed matter and materials physics