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|Title:||Whirling spin order in the quasicrystal approximant Au72Al14Tb14|
|Publisher:||American Physical Society|
|Citation:||Sato, T. J, Ishikawa, A., Sakurai, A., Hattori, M., Avdeev, M., & Tamura, R. (2019). Whirling spin order in the quasicrystal approximant Au72Al14Tb14. Physical Review B, 100(5), 054417. doi:10.1103/PhysRevB.100.054417|
|Abstract:||A neutron powder diffraction experiment has been performed on the quasicrystal approximant Au72Al14Tb14, a body-centered-cubic crystal of icosahedral spin clusters. The long-range antiferromagnetic order was confirmed at the transition temperature TN=10.4 K. The magnetic structure consists of noncoplanar whirling spins on the icosahedral clusters, arranged in an antiferroic manner. A simple icosahedral spin-cluster model with uniaxial anisotropy accounts well the whirling spin order as well as the in-field metamagnetic transition, indicating that the icosahedral symmetry is essential. ©2019 American Physical Society|
|Appears in Collections:||Journal Articles|
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