Neutron powder diffraction of Tb0.94Gd0.06B2C2

Y. Sasaki; E. Mastuoka; K. Ohoyama; H. Onodera

doi:10.1016/j.physb.2009.07.115

Neutron powder diffraction of Tb_0.94Gd_0.06B₂C₂

Y. Sasaki, E. Mastuoka, K. Ohoyama, H. Onodera

金属材料研究所

研究成果: Article › 査読

抄録

We performed powder neutron diffraction experiments of Tb_0.94Gd_0.06B₂C₂ with transition temperatures at T_O=14.2 K and T_N=20.6 K in order to examine the magnetic structure in phase IV (T<T_O) and phase AFM1 (T_O<T<T_N). The experiments reveal that phase IV has an (1 0 frac(1, 2))-type antiferromagnetic (AFM) structure where the magnetic moments are aligned antiferromagnetically along the tetragonal c-axis, while phase AFM1 has an (1 0 0)-type AFM structure where the magnetic moments are aligned ferromagnetically along the c-axis. These results support our previous proposition that T_O is an antiferro-octupolar (AFO) transition temperature.

本文言語	English
ページ（範囲）	3304-3305
ページ数	2
ジャーナル	Physica B: Condensed Matter
巻	404
号	19
DOI	https://doi.org/10.1016/j.physb.2009.07.115
出版ステータス	Published - 2009 10 15

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Electrical and Electronic Engineering

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10.1016/j.physb.2009.07.115

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引用スタイル

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title = "Neutron powder diffraction of Tb0.94Gd0.06B2C2",

abstract = "We performed powder neutron diffraction experiments of Tb0.94Gd0.06B2C2 with transition temperatures at TO=14.2 K and TN=20.6 K in order to examine the magnetic structure in phase IV (T<TO) and phase AFM1 (TO<T<TN). The experiments reveal that phase IV has an (1 0 frac(1, 2))-type antiferromagnetic (AFM) structure where the magnetic moments are aligned antiferromagnetically along the tetragonal c-axis, while phase AFM1 has an (1 0 0)-type AFM structure where the magnetic moments are aligned ferromagnetically along the c-axis. These results support our previous proposition that TO is an antiferro-octupolar (AFO) transition temperature.",

keywords = "Antiferro-octupolar ordering, Antiferromagnetic ordering, Powder neutron diffraction, TbBC",

author = "Y. Sasaki and E. Mastuoka and K. Ohoyama and H. Onodera",

note = "Funding Information: We thank Mr. K. Nemoto for the assistance of powder neutron diffraction. This work was supported by a Grant-in-Aid for Scientific Research from the Japan Society for the Promotion of Science.",

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T1 - Neutron powder diffraction of Tb0.94Gd0.06B2C2

AU - Sasaki, Y.

AU - Mastuoka, E.

AU - Ohoyama, K.

AU - Onodera, H.

N1 - Funding Information: We thank Mr. K. Nemoto for the assistance of powder neutron diffraction. This work was supported by a Grant-in-Aid for Scientific Research from the Japan Society for the Promotion of Science.

PY - 2009/10/15

Y1 - 2009/10/15

N2 - We performed powder neutron diffraction experiments of Tb0.94Gd0.06B2C2 with transition temperatures at TO=14.2 K and TN=20.6 K in order to examine the magnetic structure in phase IV (T<TO) and phase AFM1 (TO<T<TN). The experiments reveal that phase IV has an (1 0 frac(1, 2))-type antiferromagnetic (AFM) structure where the magnetic moments are aligned antiferromagnetically along the tetragonal c-axis, while phase AFM1 has an (1 0 0)-type AFM structure where the magnetic moments are aligned ferromagnetically along the c-axis. These results support our previous proposition that TO is an antiferro-octupolar (AFO) transition temperature.

AB - We performed powder neutron diffraction experiments of Tb0.94Gd0.06B2C2 with transition temperatures at TO=14.2 K and TN=20.6 K in order to examine the magnetic structure in phase IV (T<TO) and phase AFM1 (TO<T<TN). The experiments reveal that phase IV has an (1 0 frac(1, 2))-type antiferromagnetic (AFM) structure where the magnetic moments are aligned antiferromagnetically along the tetragonal c-axis, while phase AFM1 has an (1 0 0)-type AFM structure where the magnetic moments are aligned ferromagnetically along the c-axis. These results support our previous proposition that TO is an antiferro-octupolar (AFO) transition temperature.

KW - Antiferro-octupolar ordering

KW - Antiferromagnetic ordering

KW - Powder neutron diffraction

KW - TbBC

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