期刊
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
卷 305, 期 2, 页码 413-422出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jmmm.2006.01.113
关键词
Skyrmion; RKKY; magnetic tip
Skyrmions in thin metallic ferromagnetic films are stable due to competition between the RKKY interaction and uniaxial magnetic anisotropy. We study static nonlinear excitations in magnetic film in the presence of strong cylindrical magnetic tip of nanometer size. We mimic the RKKY interaction by the next-nearest-neighbors ferromagnetic and antiferromagnetic exchange interactions. We demonstrate analytically and numerically dissipative transformation of a bubble created by a strong magnetic tip into a stable Skyrmion. (C) 2006 Elsevier B.V. All rights reserved.
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