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Nanomaterials 2017, 7(9), 256; doi:10.3390/nano7090256

Effects of a Transverse Field in Two Mixed-Spin Ising Bilayer Films

Graduate School of Information and Science, Nagoya University, 1-510, Kurosawadai, Midoriku, Nagoya 458-0003, Japan
Received: 16 June 2017 / Revised: 7 August 2017 / Accepted: 23 August 2017 / Published: 4 September 2017
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Abstract

The magnetic properties (phase diagrams and magnetizations) of two mixed-spin Ising bilayer films with a transverse field are investigated by the use of the effective field theory with correlations. The systems consist of two magnetic atoms where spin-1/2 atoms are directed to the z-direction and only spin-1 atoms are canted from the z-direction by applying a transverse field. We examined how magnetization sign reversal can be realized in the system, due to the effects of the transverse field on the spin-1 atoms. The compensation point phenomena are found in both systems, depending on the selections of physical parameters. However, the reentrant phenomena are found only for one of the two systems. View Full-Text
Keywords: phase diagrams; magnetizations; compensation point; reentrant phenomena; mixed-spin Ising bilayer films phase diagrams; magnetizations; compensation point; reentrant phenomena; mixed-spin Ising bilayer films
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Kaneyoshi, T. Effects of a Transverse Field in Two Mixed-Spin Ising Bilayer Films. Nanomaterials 2017, 7, 256.

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