Single-crystal neutron diffraction study on the quasicrystal approximant Au70Al16Tb14

Single-crystal neutron diffraction study on the quasicrystal approximant Au70Al16Tb14

A magnetic order of the quasicrystal approximant Au70Al16Tb14 was investigated via single crystalline neutron diffraction experiments. In spite of some differences in the macroscopic magnetic properties compared with Au72Al14Tb14, the whirling antiferromagnetic structure similar to Au72Al14Tb14 was...

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Veröffentlicht in:Journal of physics. Conference series 2023-03, Vol.2461 (1), p.012015
Hauptverfasser: Nawa, Kazuhiro, Okuyama, Daisuke, Ebina, Akihito, Sato, Taku J, Ishikawa, Asuka, Tamura, Ryuji
Format: Artikel
Sprache:eng
Schlagworte:
Anisotropy
Antiferromagnetism
Magnetic moments
Magnetic properties
Magnetic structure
Magnetic transitions
Neutron diffraction
Physics
Quasicrystals
Single crystals
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Zusammenfassung:A magnetic order of the quasicrystal approximant Au70Al16Tb14 was investigated via single crystalline neutron diffraction experiments. In spite of some differences in the macroscopic magnetic properties compared with Au72Al14Tb14, the whirling antiferromagnetic structure similar to Au72Al14Tb14 was found. The robustness of the magnetic structure suggests the orientation of the magnetic moment dominated by easy-axis anisotropy of Tb. In addition, the critical exponent β indicates a mean field nature of the magnetic transition.
ISSN:1742-6588
1742-6596
DOI:10.1088/1742-6596/2461/1/012015