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2010 | 118 | 5 | 893-894
Article title

Anomalous Transport Properties of Carbon-Doped EuB_6

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EN
Abstracts
EN
In the presented work we report electrical, magnetic and thermal properties of EuB_{6-x}C_{x} single crystals with an estimated value of x ≈ 0.07. Our studies reveal an antiferromagnetic phase transition at T_{N} ≈ 6.7 K. Electrical resistivity at zero magnetic field shows a pronounced resistivity maximum at T_{M} ≈ 7 K, just above the antiferromagnetic phase transition temperature. With increasing applied magnetic field the maximum moves to lower temperature and becomes totally suppressed at the field of 9 T. Observed magnetoresistance is negative in the whole studied temperature range 2-20 K, yielding a ratio of ρ(0 T, 7 K)/ρ(9 T, 7 K) ≈ 2.5. The origin of such magnetoresistance is associated with formation of mixed magnetic structure in the system due to fluctuation of carbon concentration.
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Contributors
author
  • Institute of Experimental Physics, Slovak Academy of Sciences, 040 01 Košice, Slovak Republic
author
  • Institute of Experimental Physics, Slovak Academy of Sciences, 040 01 Košice, Slovak Republic
author
  • Institute for Problems of Material Science, NASU, 252680 Kiev, Ukraine
author
  • Institute of Experimental Physics, Slovak Academy of Sciences, 040 01 Košice, Slovak Republic
author
  • Charles University in Prague, Faculty of Mathematics and Physics, Ke Karlovu 5, 121 16 Prague, Czech Republic
  • Institute for Problems of Material Science, NASU, 252680 Kiev, Ukraine
author
  • Institute of Physics, Academy of Sciences of the Czech Republic, Na Slovance 2, 182 21 Prague, Czech Republic
author
  • Institute of Physics, Academy of Sciences of the Czech Republic, Na Slovance 2, 182 21 Prague, Czech Republic
References
  • 1. J. Etorneau, P. Hagenmuller, Philos. Mag. B 52, 589 (1985)
  • 2. J.M. Tarascon, J.L. Soubeyroux, J. Etorneau, R. Georges, J.M. Coey, O. Massenet, Solid State Commun. 37, 133 (1981)
  • 3. I. Batko, M. Batkova, K. Flachbart, D. Macko, E.S. Konovalova, Yu.B. Paderno, J. Magn. Magn. Mater. 140-144, 1177 (1995)
  • 4. M. Batkova, I. Batko, K. Flachbart, Z. Janu, K. Jurek, J. Kováč, M. Reiffers, V. Sechovský, N. Shitsevalova, E. Šantavá, J. Šebek, Phys. Rev. B 78, 224414 (2008)
  • 5. M. Batkova, I. Batko, E. Bauer, R.T. Khan, V.B. Filipov, E.S. Konovalova, Solid State Commun. 150, 652 (2010)
Document Type
Publication order reference
Identifiers
YADDA identifier
bwmeta1.element.bwnjournal-article-appv118n5073kz
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