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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2005.9
- 수록면
- 113 - 117 (5page)
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초록· 키워드
오류제보하기
Some polycrystalline ferromagnetic films are composed of continuously connected nanometer scale islands with random crystallite orientations. The nanometer perturbations of the film introduce a large number of nearly degenerate local field configurations that are indistiguishable on a macroscopic scale. As a first step, this situation is modelled as a thin ferromagnetic disc coupled by exchange and dipole interactions to a homogeneous ferromagnetic plane, where the disc and plane have different easy axes. The model is solved to find the partial Neel domain walls that minimize the magnetic energy. The two solutions give a bistable configuration that, for appropriate geometries, provides an important microsopic ferromagnetic degree of freedom for the film. These results are used to interpret recent measurements of exchange biased bilayer films.
목차
Abstract
1. Introduction
2. The Model
3. Results
References
참고문헌 (4)
참고문헌 신청
, 1988 , L. Nel in Selected Works of Louis Nel : 232 ~
, 1997 , Physics of Ferromagnetism
, , This is very different than for the problem of a planar boundary between two half-infinite film with different directions of the easy axis. In that case reflection symmetry imposes the additional requirement of a continuous derivative across the boundary. See ref. 7.
, , This would not be the case in a rigid moment model is discontinuous at r = R.
, 1997 , Physics of Ferromagnetism
, , This is very different than for the problem of a planar boundary between two half-infinite film with different directions of the easy axis. In that case reflection symmetry imposes the additional requirement of a continuous derivative across the boundary. See ref. 7.
, , This would not be the case in a rigid moment model is discontinuous at r = R.
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UCI(KEPA) : I410-ECN-0101-2009-428-015149472