Observation of a surface magnetic phase transition on Cr(100)

L. E. Klebanoff; S. W. Robey; G. Liu; D. A. Shirley

doi:10.1103/PhysRevB.30.1048

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Observation of a surface magnetic phase transition on Cr(100)

L. E. Klebanoff, S. W. Robey, G. Liu, and D. A. Shirley

Phys. Rev. B 30, 1048(R) – Published 15 July 1984

Abstract

We have observed a surface magnetic phase transition on Cr(100) using angle-resolved photoelectron spectroscopy. The temperature dependence of a surface resonance indicates a transition temperature of 780±50 K. This is consistent with theoretical predictions of a ferromagnetic Cr(100) surface. The room-temperature ferromagnetic surface exchange potential is estimated to be 0.8±0.1 eV, with an associated surface magnetic moment of (2.4±0.3) $μ_{B}$ .

Received 30 April 1984

DOI:https://doi.org/10.1103/PhysRevB.30.1048

Authors & Affiliations

L. E. Klebanoff, S. W. Robey, G. Liu^*, and D. A. Shirley

Materials and Molecular Research Division, Lawrence Berkeley Laboratory, and Departments of Chemistry and Physics, University of California, Berkeley, California 94720

^*Permanent address: Department of Physics, Zhejiang University, Hangzhou, People's Republic of China

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Vol. 30, Iss. 2 — 15 July 1984

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Physical Review B

covering condensed matter and materials physics