Single-crystal neutron diffraction study on the Ho 13.6 Au 61.1 Al 25.3 quasicrystal approximant

被引：3

作者：

Thilakan, Karthika K. ^{[1
]}

Denoel, Fernand ^{[2
]}

Huang, Yu-Chin ^{[1
]}

Fabelo, Oscar ^{[3
]}

Mathieu, Roland ^{[2
]}

Gomez, Cesar Pay ^{[1
]}

Sahlberg, Martin ^{[1
]}

机构：

[1] Uppsala Univ, Dept Chem, Angstrom Lab, S-75121 Uppsala, Sweden

[2] Uppsala Univ, Dept Mat Sci & Engn, Box 35, S-75103 Uppsala, Sweden

[3] Inst Laue Langevin, 71 Ave Martyrs,CS 20156, F-38042 Grenoble, France

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2024年 / 1002卷

关键词：

Quasicrystal approximants; Magnetism; Neutron diffraction;

D O I：

10.1016/j.jallcom.2024.175263

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

A single-crystal neutron diffraction study was conducted on a Ho13.6Au61.1Al25.3 Tsai-type quasicrystal approximant synthesised by the self-flux method. The magnetisation measurements reveal a ferrimagnetic behaviour with a transition below 6 K. In agreement with the magnetometry data, a non-coplanar whirling spin order in the icosahedral clusters around the crystallographic [1 1 1] direction with a ferrimagnetic arrangement was observed from single-crystal neutron diffraction measurements below 5.5 K. The magnetic structure of Ho13.6Au61.1Al25.3 is compared to the previously published magnetic structures of related RE-Au-SM (RE = Tb and Ho; SM = Al, Si and Ga) systems.

引用

页数：6

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