Magnetic phase transition in a two-dimensional system:p(1×1)-Ni on Cu(111)
- 1 February 1990
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 41 (4) , 2631-2634
- https://doi.org/10.1103/physrevb.41.2631
Abstract
The magnetic phase transition of ultrathin epitaxial Ni films on Cu(111) is studied using the magneto-optic Kerr effect. Analysis of the thickness and temperature dependence of the spontaneous magnetization yields a shift exponent λ=1.44±0.2, in good agreement with previous experimental studies of thin Ni layers, and a critical exponent β=0.24±0.07 in good agreement with a recent study of p(1×1)-Fe on Au(100). In-plane symmetry does not appear to play an important role in critical behavior of these systems.Keywords
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