Magnetic susceptibility: An easy approach to the spin-reorientation transition

S. Pütter; H. F. Ding; Y. T. Millev; H. P. Oepen; J. Kirschner

doi:10.1103/PhysRevB.64.092409

Magnetic susceptibility: An easy approach to the spin-reorientation transition

S. Pütter, H. F. Ding, Y. T. Millev, H. P. Oepen, and J. Kirschner

Phys. Rev. B 64, 092409 – Published 14 August 2001

Abstract

The reorientation of magnetization is studied during film growth by means of ac susceptibility. The susceptibility is obtained via the magneto-optic Kerr effect. For Co/Au(111) a maximum of the susceptibility is found at $4.38 \pm 0.07$ atomic layers of Co. The susceptibility peak is demonstrated to represent the spin-reorientation transition. The influence of external fields on the transition is explored. In agreement with theory shifts of the susceptibility peak are observed in bias fields.

Received 15 March 2001

DOI:https://doi.org/10.1103/PhysRevB.64.092409

Authors & Affiliations

S. Pütter^1,2,*, H. F. Ding¹, Y. T. Millev^1,3, H. P. Oepen², and J. Kirschner¹

¹Max-Planck-Institut für Mikrostrukturphysik, Weinberg 2, 06120 Halle/Saale, Germany
²Institut für Angewandte Physik, Universität Hamburg, Jungiusstr. 11, 20355 Hamburg, Germany
³Department of Physics and Astronomy, California State University Long Beach, 1250 Bellflower Boulevard, Long Beach, California 90840

^*Email address: spuetter@physnet.uni-hamburg.de

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Vol. 64, Iss. 9 — 1 September 2001

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Physical Review B

covering condensed matter and materials physics