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Effects of interlayer coupling in a magnetic trilayer system |
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| Institution: | 1. Department of Surgery, Division of Otolaryngology–Head and Neck Surgery, The Pennsylvania State University, College of Medicine, Hershey, PA, USA;2. Department of Public Health Sciences, Division of Health Services and Behavioral Research, The Pennsylvania State University, College of Medicine, Hershey, PA, USA |
| Abstract: | Magnetic properties of a trilayer consisting of two different magnetic films separated by a nonmagnetic spacer are investigated by means of the variational cumulant expansion. The long-range interlayer interaction as well as the nearest neighbor coupling including the anisotropy and external fields are considered. The mean magnetization and ordering temperatures are calculated for various interlayer-coupling energies in qualitative agreement with experiments. |
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