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Pis'ma v Zhurnal Èksperimental'noi i Teoreticheskoi Fiziki, 2015, Volume 101, Issue 1, Pages 39–43
DOI: https://doi.org/10.7868/S0370274X15010087 (Mi jetpl4516) 		 
This article is cited in 8 scientific papers (total in 8 papers)

CONDENSED MATTER

Nature of heavy-fermion states arising in the vicinity of an isolated cerium or holmium magnetic impurity in LaB$_6$

N. E. Sluchankoa, M. A. Anisimova, A. V. Bogacha, V. V. Voronova, S. Yu. Gavrilkinb, V. V. Glushkovac, S. V. Demishevca, V. N. Krasnorusskiia, V. B. Philippovd, N. Yu. Shitsevalovad

a A. M. Prokhorov General Physics Institute, Russian Academy of Sciences, Moscow
b P. N. Lebedev Physical Institute, Russian Academy of Sciences, Moscow
c Moscow Institute of Physics and Technology (State University), Dolgoprudny, Moscow region
d Frantsevich Institute of Materials Science Problems, National Academy of Sciences of Ukraine, Kiev
Full-text PDF (368 kB) Citations (8)
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DOI: https://doi.org/10.7868/S0370274X15010087
Abstract: The behavior of the electrical resistivity and magnetoresistance of lanthanum hexaboride with isolated (${\sim}\,1\,\%$) Ce or Ho magnetic impurities has been studied. It has been shown that the low-temperature growth of the resistivity is characteristic of the weak localization regime for charge carriers rather than of the Kondo effect. The negative magnetoresistance observed in Сe$_x$La$_{1-x}$B$_6$ и Ho$_x$La$_{1-x}$B$_6$ at liquid helium temperatures also cannot be interpreted in terms of the Kondo model and corresponds to the formation of many-body states of a spin-polaron type near magnetic rare-earth ions in LaB$_6$.
Received: 26.11.2014
English version:
Journal of Experimental and Theoretical Physics Letters, 2015, Volume 101, Issue 1, Pages 36–40
DOI: https://doi.org/10.1134/S0021364015010130
Bibliographic databases:
Document Type: Article
Language: Russian
Citation: N. E. Sluchanko, M. A. Anisimov, A. V. Bogach, V. V. Voronov, S. Yu. Gavrilkin, V. V. Glushkov, S. V. Demishev, V. N. Krasnorusskii, V. B. Philippov, N. Yu. Shitsevalova, “Nature of heavy-fermion states arising in the vicinity of an isolated cerium or holmium magnetic impurity in LaB$_6$”, Pis'ma v Zh. Èksper. Teoret. Fiz., 101:1 (2015), 39–43; JETP Letters, 101:1 (2015), 36–40
Citation in format AMSBIB
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