Skyrmion lattice in the doped semiconductor Fe1-xCoxSi
By W. Münzer, A. Neubauer, T. Adams, S. Mühlbauer, C. Franz, F. Jonietz, R. Georgii, P. Böni, B. Pedersen, M. Schmidt and 2 more. 2009
510 citations recorded by the source corpus.
We report a comprehensive small angle neutron scattering study (SANS) of the magnetic phase diagram of the doped semiconductor Fe_{1-x}Co_{x}Si for x=0.2 and 0.25. For magnetic field parallel to the neutron beam we observe a six-fold intensity pattern under field-cooling, which identifies the A-phase of Fe_{1-x}Co_{x}Si as a skyrmion lattice. The regime of the skyrmion lattice is highly hysteretic and extents over a wide temperature range, consistent with the site disorder of the Fe and Co atoms. Our study identifies Fe_{1-x}Co_{x}Si is a second material after MnSi in which a skyrmion lattice forms and establishes that skyrmion lattices may also occur in strongly doped semiconductors.
Subfields: Atomic and Molecular Physics, and Optics, Electronic, Optical and Magnetic Materials
View Paper: https://www.semanticscholar.org/paper/86670e04d6dc6d1fa476fb5a044e0842faee65e0
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In Atomic and Molecular Physics, and Optics
In Electronic, Optical and Magnetic Materials
Citations in the corpus
- Magnetic skyrmion logic gates: conversion, duplication and merging of skyrmions (2014, methodology): “in field of unit length. By substituting (1), we obtain Hamiltonian 2 2 2 12 2[ sinr K HrdrAfr fr rA sin 2 cos ( )] r 2 fr Dfr B fr r (8) with D = D⊥ cosQh + D∥ sinQh for Qv = 1, D = 0 for Qv = -1. We obtain the Néel-type Skyrmion (Qh = 0, π) for D∥ = 0, while the Bloch-type Skyrmio”
- Observation of two independent skyrmion phases in a chiral magnetic material (2018, background): “[6] Münzer, W. et al. Skyrmion lattice in the doped semiconductor Fe1−xCoxSi.”