The concentration metamagnetic transition in Tm1-x Tb xCo2 compounds / Sherstobitova E.A., Gubkin A.F., Ermakov A.A., Zakharov A.V., Baranov N.V., Dorofeev Yu.A., Pirogov A.N., Podlesnyak A.A., Pomyakushin V.Yu. // Physics of the Solid State. - 2006. - V. 48, l. 7. - P. 1321-1327.

ISSN:
10637834
Type:
Article
Abstract:
The Tm1-x TbxCo2 (0 ≤ x ≤ 1) system was studied by measuring the magnetic susceptibility, electrical resistance, and neutron diffraction. In the compounds with 0 < x ≤ 0.15, an inhomogeneous magnetic state characterized by the existence of large regions (up to 100 Å in size) with short-range ferrimagnetic order was found to occur. The maximum of the residual electrical resistance observed in the compound with x = 0.1 at the magnetic ordering temperature was established to be due to the scattering of conduction electrons by localized spin fluctuations associated with f-d exchange fluctuations caused by the substitution of terbium for thulium. The increase in the terbium concentration to x ≥ 0.15 leads to a sharp increase in the Co sublattice magnetization and the establishment of a long-range ferromagnetic order, which indicates a concentration metamagnetic transition in the band subsystem. © Pleiades Publishing, Inc., 2006.
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DOI:
10.1134/S1063783406070171
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Affiliations Institute of Metal Physics, Ural Division, Russian Academy of Sciences, ul. S. Kovalevskoǐ 18, Yekaterinburg 620219, Russian Federation; Ural State University, pr. Lenina 51, Yekaterinburg, 620083, Russian Federation; Laboratory for Neutron Scattering, ETH Zürich, Paul Scherrer Institute, Villingen, PSI CH-5232, Switzerland
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Correspondence Address Sherstobitova, E.A.; Institute of Metal Physics, Ural Division, Russian Academy of Sciences, ul. S. Kovalevskoǐ 18, Yekaterinburg 620219, Russian Federation; email: sherl@imp.uran.ru
Language of Original Document English
Abbreviated Source Title Phys. Solid State
Source Scopus