Evolution of helimagnetic correlations in Mn1-xFexSi with doping: A small-angle neutron scattering study

Lars Bannenberg, Robert M. Dalgliesh, T. Wolf, F Weber, Catherine Pappas

Research output: Contribution to journalArticleScientificpeer-review

10 Citations (Scopus)

Abstract

We present a comprehensive small-angle neutron scattering study of the doping dependence of the helimagnetic correlations in Mn1−xFexSi. The long-range helimagnetic order in Mn1−xFexSi is suppressed with increasing Fe content and disappears for x>x∗≈0.11, i.e., well before xC≈0.17 where the transition temperature vanishes. For x>x∗, only finite isotropic helimagnetic correlations persist which bear similarities with the magnetic correlations found in the precursor phase of MnSi. Magnetic fields gradually suppress and partly align these short-ranged helimagnetic correlations along their direction through a complex magnetization process
Original languageEnglish
Pages (from-to)1-11
JournalPhysical Review B (Condensed Matter and Materials Physics)
Volume98
Issue number184431
DOIs
Publication statusPublished - 28 Nov 2018

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