Dynamics of magnetization reversal of double-row magnetic moment arrays

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• 作者：A. M. Shutyi ; D. I. Sementsov
• 刊名：Physics of the Solid State
• 出版年：2015
• 出版时间：April 2015
• 年：2015
• 卷：57
• 期：4
• 页码：709-716
• 全文大小：688 KB
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• 作者单位：A. M. Shutyi (1)
  D. I. Sementsov (1)
  
  1. Ulyanovsk State University, ul. L. Tolstogo 42, Ulyanovsk, 432700, Russia
  
• 刊物类别：Physics and Astronomy
• 刊物主题：Physics
  Solid State Physics and Spectroscopy
  Russian Library of Science
  
• 出版者：MAIK Nauka/Interperiodica distributed exclusively by Springer Science+Business Media LLC.
• ISSN：1090-6460

文摘

Double-row magnetic moment arrays coupled by dipole-dipole and exchange interactions have been studied. The processes of system excitation by a local external field affecting a fraction of magnetic moments have been considered; the conditions of partial and complete magnetization reversal of the system have been investigated. It has been shown that excitation of even two magnetic moments can cause magnetization reversal of the entire array. It has been revealed that the interface between oppositely oriented array regions can have both zero and nonzero total magnetic moments, depending on the exchange interaction parameter. The interdomain wall displacement due to the external magnetic field affecting the entire system has been considered.