Effects of various magnetic parameters on negative remanent magnetization behavior in a single domain particle with two uniaxial anisotropies

Yoon Jae Nam, Sang Ho Lim

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2 Citations (Scopus)

Abstract

Unusual negative remanent magnetization (NRM) behavior is examined in a single-domain particle with two uniaxial anisotropies. NRM occurs in a narrow window of the parameters, which include the direction of the applied magnetic field and the angle and relative strengths of the two uniaxial anisotropies. However, these parameters are not independent of each other because changes occur in the angle between the two uniaxial anisotropies through their interactions. It is found that the anisotropy interactions are stronger at smaller crossing angles and at greater relative strengths of the two anisotropies, resulting in subsequent changes in NRM behavior.

Original languageEnglish
Article number063002
JournalApplied Physics Express
Volume5
Issue number6
DOIs
Publication statusPublished - 2012 Jun 1

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Magnetization
Anisotropy
magnetization
anisotropy
Magnetic fields
magnetic fields
interactions

ASJC Scopus subject areas

  • Engineering(all)
  • Physics and Astronomy(all)

Cite this

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abstract = "Unusual negative remanent magnetization (NRM) behavior is examined in a single-domain particle with two uniaxial anisotropies. NRM occurs in a narrow window of the parameters, which include the direction of the applied magnetic field and the angle and relative strengths of the two uniaxial anisotropies. However, these parameters are not independent of each other because changes occur in the angle between the two uniaxial anisotropies through their interactions. It is found that the anisotropy interactions are stronger at smaller crossing angles and at greater relative strengths of the two anisotropies, resulting in subsequent changes in NRM behavior.",
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AB - Unusual negative remanent magnetization (NRM) behavior is examined in a single-domain particle with two uniaxial anisotropies. NRM occurs in a narrow window of the parameters, which include the direction of the applied magnetic field and the angle and relative strengths of the two uniaxial anisotropies. However, these parameters are not independent of each other because changes occur in the angle between the two uniaxial anisotropies through their interactions. It is found that the anisotropy interactions are stronger at smaller crossing angles and at greater relative strengths of the two anisotropies, resulting in subsequent changes in NRM behavior.

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