Question

Prove a. for single-domain prolate spheroid with demagnetization factors of Na, Na, Nc: show that the shape anisotropy can be described by a uniaxial anisotropy term with Ks=1/2(Na-Nc)M^2, and there only exits easy axis direction. b. for Oblate spheroid: Na, Na, Nc, there exits an easy plane.

Name: prove a for single domain prolate spheroid with demagnetization factors of na na nc show that the shape anisotropy can be described by a uniaxial anisotropy term with ks12na ncm2 and there o 27494
Uploaded: 2023-04-27T08:08:04-08:00
Duration: 3 min 38 s
Channel: Supreeta N
Description: prove a for single domain prolate spheroid with demagnetization factors of na na nc show that the shape anisotropy can be described by a uniaxial anisotropy term with ks12na ncm2 and there o 27494

          Prove 
a. for single-domain prolate spheroid with demagnetization factors of Na, Na, Nc: show that the shape anisotropy can be described by a uniaxial anisotropy term with Ks=1/2(Na-Nc)M^2, and there only exits easy axis direction.
b. for Oblate spheroid: Na, Na, Nc, there exits an easy plane.

Added by Michael S.

University Physics with Modern Physics

Hugh D. Young 14th Edition

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Solved by Expert Supreeta N

04/27/2023

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Prove a. for single-domain prolate spheroid with demagnetization factors of Na, Na, Nc: show that the shape anisotropy can be described by a uniaxial anisotropy term with Ks=1/2(Na-Nc)M^2, and there only exits easy axis direction. b. for Oblate spheroid: Na, Na, Nc, there exits an easy plane.