Skyrmion lattice in the doped semiconductor Fe1-xCo xSi

W. Münzer, A. Neubauer, T. Adams, S. Mühlbauer, C. Franz, F. Jonietz, R. Georgii, P. Böni, B. Pedersen, M. Schmidt, A. Rosch, C. Pfleiderer

Publikation: Beitrag in FachzeitschriftArtikelBegutachtung

579 Zitate (Scopus)

Abstract

We report a comprehensive small angle neutron scattering study of the magnetic phase diagram of the doped semiconductor Fe1-x Cox Si 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-x Cox Si as the second material in which a skyrmion lattice forms and establishes that skyrmion lattices exist also in doped semiconductors.

OriginalspracheEnglisch
Aufsatznummer041203
FachzeitschriftPhysical Review B - Condensed Matter and Materials Physics
Jahrgang81
Ausgabenummer4
DOIs
PublikationsstatusVeröffentlicht - 20 Jan. 2010

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