Magnetostriction of helimagnets in the skyrmion crystal phase | Zendy

Shasha Wang | Zendy; Yangfan Hu | Zendy; Jin Tang | Zendy; Wensen Wei | Zendy; Junzhuang Cong | Zendy; Young Sun | Zendy; Haifeng Du | Zendy; Mingliang Tian | Zendy

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Magnetostriction of helimagnets in the skyrmion crystal phase

Author(s) -

Shasha Wang,

Yangfan Hu,

Jin Tang,

Wensen Wei,

Junzhuang Cong,

Young Sun,

Haifeng Du,

Mingliang Tian

Publication year - 2019

Publication title -

new journal of physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.584

H-Index - 190

ISSN - 1367-2630

DOI - 10.1088/1367-2630/ab5ec2

Subject(s) - skyrmion , physics , magnetostriction , condensed matter physics , conical surface , phase (matter) , jump , phase transition , magnetic field , crystal (programming language) , field (mathematics) , phase diagram , quantum mechanics , geometry , mathematics , computer science , pure mathematics , programming language

We solve the magnetostriction strains for B20 helimagnets in the skyrmion crystal phase. By taking MnSi as an example, we reproduce its temperature–magnetic field ( T – B ) phase diagrams within a thermodynamic potential incorporating magnetoelastic interactions. The calculation shows that the normal strain ε 33 undergoes a sudden jump through a conical-skyrmion phase transition at any temperature. The corresponding experimental measurements for MnSi agree quantitatively well with the calculation.

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