Skyrmion lattice in the doped semiconductor Fe1-xCoxSi

被引:618
作者
Muenzer, W. [1 ]
Neubauer, A. [1 ]
Adams, T. [1 ]
Muehlbauer, S. [1 ]
Franz, C. [1 ]
Jonietz, F. [1 ]
Georgii, R. [1 ,2 ]
Boeni, P. [1 ]
Pedersen, B. [2 ]
Schmidt, M. [3 ]
Rosch, A. [4 ]
Pfleiderer, C. [1 ]
机构
[1] Tech Univ Munich, Phys Dept E21, D-85748 Garching, Germany
[2] Tech Univ Munich, Forsch Neutronenquelle Heinz Maier Leibnitz FRM I, D-85748 Garching, Germany
[3] MPI Chem Phys Fester Stoffe, D-01187 Dresden, Germany
[4] Univ Cologne, Inst Theoret Phys, D-50937 Cologne, Germany
来源
PHYSICAL REVIEW B | 2010年 / 81卷 / 04期
关键词
SPIN-DENSITY WAVE; MAGNETIC-PROPERTIES; MNSI; FEXCO1-XSI; DIFFRACTION; CRYSTAL; ALLOYS; PHASE; ORDER;
D O I
10.1103/PhysRevB.81.041203
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
We report a comprehensive small angle neutron scattering study of the magnetic phase diagram of the doped semiconductor Fe1-xCoxSi for x=0.2. For magnetic field parallel to the neutron beam we observe a sixfold intensity pattern under field cooling. The regime of the skyrmion lattice is highly hysteretic and extents over a wide temperature range as may be expected due to the site disorder of the Fe and Co atoms. Our study identifies Fe1-xCoxSi as the second material in which a skyrmion lattice forms and establishes that skyrmion lattices exist also in doped semiconductors.
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页数:4
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