Long-Range Crystalline Nature of the Skyrmion Lattice in MnSi

被引：111

作者：

Adams, T. ^{[1
]}

Muehlbauer, S. ^{[1
,2
,3
]}

Pfleiderer, C. ^{[1
]}

Jonietz, F. ^{[1
]}

Bauer, A. ^{[1
]}

Neubauer, A. ^{[1
]}

Georgii, R. ^{[1
,2
]}

Boeni, P. ^{[1
]}

Keiderling, U. ^{[4
]}

Everschor, K. ^{[5
]}

Garst, M. ^{[5
]}

Rosch, A. ^{[5
]}

机构：

[1] Tech Univ Munich, Phys Dept E21, D-85748 Garching, Germany

[2] Tech Univ Munich, Forsch Neutronenquelle Heinz Maier Leibnitz, D-85748 Garching, Germany

[3] Swiss Fed Inst Technol, Inst Festkorperphys, Zurich, Switzerland

[4] Helmholtz Zentrum Berlin, BENSC, D-14109 Berlin, Germany

[5] Univ Cologne, Inst Theoret Phys, D-50937 Cologne, Germany

来源：

PHYSICAL REVIEW LETTERS | 2011年 / 107卷 / 21期

关键词：

SPIN-DENSITY WAVE;

D O I：

10.1103/PhysRevLett.107.217206

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We report small angle neutron scattering of the Skyrmion lattice in MnSi using an experimental setup that minimizes the effects of demagnetizing fields and double scattering. Under these conditions, the Skyrmion lattice displays resolution-limited Gaussian rocking peaks that correspond to a magnetic correlation length in excess of several hundred micrometers. This is consistent with exceptionally well-defined long-range order. We further establish the existence of higher-order scattering, discriminating parasitic double scattering with Renninger scans. The field and temperature dependence of the higher-order scattering arises from an interference effect. It is characteristic for the long-range crystalline nature of the Skyrmion lattice as shown by simple mean-field calculations.

引用

页数：5

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