Striped Magnetic Domains;
Magnetic Ripple Pattern;
Surface Magnetic Domain;
Magnetic Force Microscopy;
La0.7SrO3MnO3 (LSMO) Thin Film Surface;
FORCE MICROSCOPY;
COLOSSAL MAGNETORESISTANCE;
ANISOTROPY;
SIMULATION;
FIELD;
D O I:
10.1166/jnn.2013.6094
中图分类号:
O6 [化学];
学科分类号:
0703 ;
摘要:
An oscillating magnetic tip can be used to induce the striped magnetic ripple pattern with alternating up-and-down striped magnetic domains on a ferromagnetic La0.7Sr0.3MnO3 (LSMO) thin film surface. Magnetic force microscopy (MFM) images show that the surface magnetic domains (SMDs) can be aligned in a well-ordered alternating up-and-down c(2 x 2) structure on the stripe magnetic domains, indicating that the oscillating magnetic tip turns the ferromagnetic LSMO surface into a canted antiferronnagnetic state. The orientation of the SMDs is determined by their discrete phase distribution. A three-dimensional (3D) SMD orientation model is built to understand dynamic behavior of the SMDs.
机构:
Univ Calif Berkeley, Lawrence Berkeley Lab, Adv Light Source, Berkeley, CA 94720 USAUniv Calif Berkeley, Lawrence Berkeley Lab, Adv Light Source, Berkeley, CA 94720 USA
Arenholz, E.
van der Laan, G.
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Diamond Light Source, Didcot OX11 0DE, Oxon, EnglandUniv Calif Berkeley, Lawrence Berkeley Lab, Adv Light Source, Berkeley, CA 94720 USA
van der Laan, G.
Yang, F.
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机构:
UC Davis, Dept Chem Engn & Mat Sci, Davis, CA 95616 USAUniv Calif Berkeley, Lawrence Berkeley Lab, Adv Light Source, Berkeley, CA 94720 USA
Yang, F.
Kemik, N.
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机构:
UC Davis, Dept Chem Engn & Mat Sci, Davis, CA 95616 USAUniv Calif Berkeley, Lawrence Berkeley Lab, Adv Light Source, Berkeley, CA 94720 USA
Kemik, N.
Biegalski, M. D.
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机构:
Oak Ridge Natl Lab, Ctr Nanophase Mat Sci, Oak Ridge, TN 37831 USAUniv Calif Berkeley, Lawrence Berkeley Lab, Adv Light Source, Berkeley, CA 94720 USA
Biegalski, M. D.
Christen, H. M.
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机构:
Oak Ridge Natl Lab, Ctr Nanophase Mat Sci, Oak Ridge, TN 37831 USAUniv Calif Berkeley, Lawrence Berkeley Lab, Adv Light Source, Berkeley, CA 94720 USA
Christen, H. M.
Takamura, Y.
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机构:
UC Davis, Dept Chem Engn & Mat Sci, Davis, CA 95616 USAUniv Calif Berkeley, Lawrence Berkeley Lab, Adv Light Source, Berkeley, CA 94720 USA