Neutron diffraction investigation of a metamagnetic transition in the Tb0.1 Tm0.9Co2 compound

E. A. Sherstobitova; A. F. Gubkin; A. V. Zakharov; A. E. Teplykh; A. A. Podlesnyak; S. N. Gvasaliya; J. G. Park; N. V. Baranov; A. N. Pirogov

doi:10.1134/S1063783407070189

Neutron diffraction investigation of a metamagnetic transition in the Tb_0.1 Tm_0.9Co₂ compound

E. A. Sherstobitova, A. F. Gubkin, A. V. Zakharov, A. E. Teplykh, A. A. Podlesnyak, S. N. Gvasaliya, J. G. Park, N. V. Baranov, A. N. Pirogov

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Abstract

The Tb_0.1Tm_0.9Co₂ compound is investigated using neutron diffraction. It is shown that this compound undergoes an irreversible band metamagnetic transition induced by an external magnetic field. The magnetization of the Co sublattice increases from 0.2 to 0.6 μ_B. The critical field strength is approximately equal to 1 T at temperatures of 1.8 and 4.0 K. As the temperature increases, the effect of the magnetic field on the magnetic state of the sample weakens and, at 25 K, no noticeable changes are observed in an external field of 0.75 T. The metamagnetic transition at 1.8 K is accompanied by the disappearance of rhombohedral distortions and brings about a lattice expansion by approximately 1%.

Original language	English
Pages (from-to)	1305-1309
Number of pages	5
Journal	Physics of the Solid State
Volume	49
Issue number	7
DOIs	https://doi.org/10.1134/S1063783407070189
State	Published - Jul 2007
Externally published	Yes

Funding

This study was supported in part by the Russian Foundation for Basic Research (project Ural no. 04-02-96082), the program “Neutron Investigations of Matter” (contract nos. 23/06/327 and 02.452.11.704), the Ural Division of the Russian Academy of Sciences (project nos. 9 and 33), and the Swiss National Science Foundation (SCOPES project no. IB7420-110849). The work performed at the Sungkyunkwan University was supported by the Korea Research Foundation (grant no. 2005-C00153) and the KPOSEF–CSCMR program.

Funders	Funder number
Korea Research Foundation	2005-C00153
Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung	IB7420-110849
Russian Foundation for Basic Research	04-02-96082, 02.452.11.704, 23/06/327
Ural Branch, Russian Academy of Sciences	33, 9

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title = "Neutron diffraction investigation of a metamagnetic transition in the Tb0.1 Tm0.9Co2 compound",

abstract = "The Tb0.1Tm0.9Co2 compound is investigated using neutron diffraction. It is shown that this compound undergoes an irreversible band metamagnetic transition induced by an external magnetic field. The magnetization of the Co sublattice increases from 0.2 to 0.6 μB. The critical field strength is approximately equal to 1 T at temperatures of 1.8 and 4.0 K. As the temperature increases, the effect of the magnetic field on the magnetic state of the sample weakens and, at 25 K, no noticeable changes are observed in an external field of 0.75 T. The metamagnetic transition at 1.8 K is accompanied by the disappearance of rhombohedral distortions and brings about a lattice expansion by approximately 1%.",

author = "Sherstobitova, {E. A.} and Gubkin, {A. F.} and Zakharov, {A. V.} and Teplykh, {A. E.} and Podlesnyak, {A. A.} and Gvasaliya, {S. N.} and Park, {J. G.} and Baranov, {N. V.} and Pirogov, {A. N.}",

year = "2007",

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doi = "10.1134/S1063783407070189",

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T1 - Neutron diffraction investigation of a metamagnetic transition in the Tb0.1 Tm0.9Co2 compound

AU - Sherstobitova, E. A.

AU - Gubkin, A. F.

AU - Zakharov, A. V.

AU - Teplykh, A. E.

AU - Podlesnyak, A. A.

AU - Gvasaliya, S. N.

AU - Park, J. G.

AU - Baranov, N. V.

AU - Pirogov, A. N.

PY - 2007/7

Y1 - 2007/7

N2 - The Tb0.1Tm0.9Co2 compound is investigated using neutron diffraction. It is shown that this compound undergoes an irreversible band metamagnetic transition induced by an external magnetic field. The magnetization of the Co sublattice increases from 0.2 to 0.6 μB. The critical field strength is approximately equal to 1 T at temperatures of 1.8 and 4.0 K. As the temperature increases, the effect of the magnetic field on the magnetic state of the sample weakens and, at 25 K, no noticeable changes are observed in an external field of 0.75 T. The metamagnetic transition at 1.8 K is accompanied by the disappearance of rhombohedral distortions and brings about a lattice expansion by approximately 1%.

AB - The Tb0.1Tm0.9Co2 compound is investigated using neutron diffraction. It is shown that this compound undergoes an irreversible band metamagnetic transition induced by an external magnetic field. The magnetization of the Co sublattice increases from 0.2 to 0.6 μB. The critical field strength is approximately equal to 1 T at temperatures of 1.8 and 4.0 K. As the temperature increases, the effect of the magnetic field on the magnetic state of the sample weakens and, at 25 K, no noticeable changes are observed in an external field of 0.75 T. The metamagnetic transition at 1.8 K is accompanied by the disappearance of rhombohedral distortions and brings about a lattice expansion by approximately 1%.

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JO - Physics of the Solid State

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Neutron diffraction investigation of a metamagnetic transition in the Tb_0.1 Tm_0.9Co₂ compound

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