Publikation: Thermal properties of a spin spiral : Manganese on tungsten(110)
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2015
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Hasselberg, Georg
Yanes Díaz, Rocio
Hinzke, Denise
Sessi, Paolo
Bode, Matthias
Szunyogh, Laszlo
Nowak, Ulrich
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Physical Review B. 2015, 91(6), 064402. ISSN 1098-0121. eISSN 1095-3795. Available under: doi: 10.1103/PhysRevB.91.064402
Zusammenfassung
We report a detailed study of the magnetic properties of a monoatomic layer of Mn on W(110). By comparing multiscale numerical calculations with measurements we evaluate the magnetic ground state of the system and its temperature-dependent evolution. We find that the ground state consists of a cycloidal spin spiral (CSS) that persists up to the Néel temperature with a temperature-independent wavelength. However, by continuously increasing the temperature, that CSS becomes thermally depinned. This results in a time-averaged absence of magnetic order, a process that can be viewed as the antiferromagnetic analog of superparamagnetism.
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HASSELBERG, Georg, Rocio YANES DÍAZ, Denise HINZKE, Paolo SESSI, Matthias BODE, Laszlo SZUNYOGH, Ulrich NOWAK, 2015. Thermal properties of a spin spiral : Manganese on tungsten(110). In: Physical Review B. 2015, 91(6), 064402. ISSN 1098-0121. eISSN 1095-3795. Available under: doi: 10.1103/PhysRevB.91.064402BibTex
@article{Hasselberg2015Therm-30944,
year={2015},
doi={10.1103/PhysRevB.91.064402},
title={Thermal properties of a spin spiral : Manganese on tungsten(110)},
url={http://journals.aps.org/prb/abstract/10.1103/PhysRevB.91.064402},
number={6},
volume={91},
issn={1098-0121},
journal={Physical Review B},
author={Hasselberg, Georg and Yanes Díaz, Rocio and Hinzke, Denise and Sessi, Paolo and Bode, Matthias and Szunyogh, Laszlo and Nowak, Ulrich},
note={Article Number: 064402}
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2015-05-13
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