Antiferromagnetic Domain Walls in Nickel Oxide

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概要

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• Spatial variations of the spin axes and strain components in twin walls (T-walls) in antiferromagnetic NiO are studied theoretically. Exchange energy, dipolar energy and elastic energy determine these variations. An exact solution is obtained in the case of 90°wall. The wall width in this case is found to be about 40Å and the self-energy to be 3.5erg/cm^2. Approximate solutions are obtained in the case of 180°wall and 60°wall. Possible orientations of T-walls as well as those of S-walls which separate different magnetic domains in a twin-free domain are discussed on the basis of the compatibility conditions of elasticity theory.

• 社団法人日本物理学会の論文
• 1963-04-05

著者

• Yamada Takemi

  Department Of Physics Niigata University

• Yamada Takemi

  Department Of Physics University Of Osaka Prefecture

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