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Macroscopic character of orientational domain walls in antiferromagnets of the UO2 type

V. G. Bar’yakhtarState University, Donetsk and Physicotechnical Institute, Academy of Sciences of the Ukrainian SSR, DonetskI. A. LeonovState University, Donetsk and Physicotechnical Institute, Academy of Sciences of the Ukrainian SSR, DonetskV. L. SobolevState University, Donetsk and Physicotechnical Institute, Academy of Sciences of the Ukrainian SSR, Donetsk

Soviet Journal of Low Temperature Physicsjournal1987en

ABI

Annotatsiya

It is shown that a domain wall in an antiferromagnet of the UO2 type, separating domains with different orientation of the unit antiferromagnetism vectors, can have a macroscopic thickness. This character of the domain wall is a result of the competition between the quadratic and biquadratic terms in the exchange Hamiltonian. A topological justification is given for the possibility of the appearance of a macroscopic domain wall.

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Mavzular

Nuclear materials and radiation effects Physics of Superconductivity and Magnetism Superconducting Materials and Applications

Identifikatorlar

DOI: 10.1063/10.0031814

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