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  Magnetic field effect on the chiral magnetism of noncentrosymmetric UPtGe: Experiment and theory

Miyake, A., Sandratskii, L. M., Nakamura, A., Honda, F., Shimizu, Y., Li, D., et al. (2018). Magnetic field effect on the chiral magnetism of noncentrosymmetric UPtGe: Experiment and theory. Physical Review B, 98(17): 174436. doi:10.1103/PhysRevB.98.174436.

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Item Permalink: https://hdl.handle.net/21.11116/0000-0009-28E8-5 Version Permalink: https://hdl.handle.net/21.11116/0000-0009-4F09-6
Genre: Journal Article

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PhysRevB.98.174436.pdf (Publisher version), 911KB
 
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https://doi.org/10.1103/PhysRevB.98.174436 (Publisher version)
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 Creators:
Miyake, Atsushi1, Author
Sandratskii, Leonid M.2, Author
Nakamura, Ai1, Author
Honda, Fuminori1, Author
Shimizu, Yusei1, Author
Li, Dexin1, Author
Homma, Yoshiya1, Author
Tokunaga, Masashi1, Author
Aoki, Dai1, Author
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1External Organizations, ou_persistent22              
2Max Planck Institute of Microstructure Physics, Max Planck Society, Weinberg 2, 06120 Halle, DE, ou_2415691              

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 Abstract: The effect of differently oriented magnetic field on chiral incommensurate helimagnet UPtGe is studied both experimentally and theoretically. The magnetization measurements up to the field above the saturation have revealed an isotropic magnetic response below 20 T and a remarkable nonmonotonic anisotropy in high fields. Moreover, the two principally different phase transitions from the noncollinear incommensurate to the field-induced ferromagnetic state have been observed. These properties are successfully explained by density-functional theory calculations taking into account the noncollinearity of the magnetic structures, arbitrary directed magnetic field, and relativistic effects. We also estimate the strength of different competing magnetic interactions and discuss possible scenarios of the field-induced phase transformations.

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 Dates: 2018-11-282018-11-01
 Publication Status: Issued
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 Identifiers: BibTex Citekey: P13584
DOI: 10.1103/PhysRevB.98.174436
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Title: Physical Review B
  Abbreviation : Phys. Rev. B
Source Genre: Journal
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Publ. Info: Woodbury, NY : American Physical Society
Pages: - Volume / Issue: 98 (17) Sequence Number: 174436 Start / End Page: - Identifier: ISSN: 1098-0121
CoNE: https://pure.mpg.de/cone/journals/resource/954925225008