Versatile strain-tuning of modulated long-period magnetic structures

We report a detailed small-angle neutron scattering (SANS) study of the skyrmion lattice phase of MnSi under compressive and tensile strain. In particular, we demonstrate that tensile strain applied to the skyrmion lattice plane, perpendicular to the magnetic field, acts to destabilize the skyrmion...

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Bibliographic Details
Published in:Applied physics letters 2017-05, Vol.110 (19)
Main Authors: Fobes, D. M., Luo, Yongkang, León-Brito, N., Bauer, E. D., Fanelli, V. R., Taylor, M. A., DeBeer-Schmitt, L. M., Janoschek, M.
Format: Article
Language:English
Subjects:
Applied physics
CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS
Compressive properties
Cryostats
Design optimization
Helium
Hypothetical particles
Lattices
Material Science
Neutron scattering
Neutrons
Particle theory
Superconducting magnets
Tensile strain
Transducers
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Summary:We report a detailed small-angle neutron scattering (SANS) study of the skyrmion lattice phase of MnSi under compressive and tensile strain. In particular, we demonstrate that tensile strain applied to the skyrmion lattice plane, perpendicular to the magnetic field, acts to destabilize the skyrmion lattice phase. This experiment was enabled by our development of a versatile strain cell, unique in its ability to select the application of either tensile or compressive strain in-situ by using two independent helium-actuated copper pressure transducers, whose design has been optimized for magnetic SANS on modulated long-period magnetic structures and vortex lattices, and is compact enough to fit in common sample environments such as cryostats and superconducting magnets.
ISSN:0003-6951
1077-3118
DOI:10.1063/1.4983473