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2011 | 120 | 5 | 970-972
Article title

Influence of Cu, Ga and Au Dopants and Technology Conditions on the Magnetic Interactions in HgCr_2Se_4 Single Crystals

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Languages of publication
EN
Abstracts
EN
For single crystals HgCr_2Se_4 doped by nonmagnetic Cu^{+}, Au^{2+} and Ga^{3+} ions and single crystals of HgCr_2Se_4 matrix growing in different synthesis conditions both the dc and ac magnetic susceptibility as well as the magnetization have been measured. As it follows from the analysis of the obtained results, paradoxically, the dopants strengthen the long range magnetic interactions of the ferromagnetically ordered single crystals under study, evidenced by the higher values of the ordering temperature in comparison with those ones for pure matrix. An influence of the technological processes connected with deficiency and/or excess of Hg on the long range magnetic interactions was not observed.
Keywords
EN
Contributors
  • Institute of Physics, University of Silesia, Uniwersytecka 4, 40-007 Katowice, Poland
author
  • Institute of Physics, University of Silesia, Uniwersytecka 4, 40-007 Katowice, Poland
author
  • Institute of Physics, University of Silesia, Uniwersytecka 4, 40-007 Katowice, Poland
author
  • Institute of Physics, University of Silesia, Uniwersytecka 4, 40-007 Katowice, Poland
author
  • The Henryk Niewodniczański Institute of Nuclear Physics, Polish Academy of Sciences, E. Radzikowskiego 152, 31-342 Kraków, Poland
author
  • Physico-Mathematical Faculty, K. Tsiolkovski State Pedagogical University, St. Razin str. 26, Kaluga 248023, Russia
author
  • Institute of Physics, University of Silesia, Uniwersytecka 4, 40-007 Katowice, Poland
References
  • 1. P.K. Baltzer, P.J. Wojtowicz, M. Robbins, E. Lopatin, Phys. Rev. 151, 367 (1966)
  • 2. F.K. Lotgering, in: Proc. Int. Conf. on Magnetism, Nottingham 1964, Ed. L.F. Bates, Institute of Physics, London 1965, p. 533
  • 3. J. Krok, J. Spałek, J. Juszczyk, J. Warczewski, Phys. Rev. B 28, 6499 (1983)
  • 4. T. Groń, E. Malicka, A.W. Pacyna, Physica B 404, 3554 (2009)
  • 5. T. Groń, A.W. Pacyna, E. Malicka, Solid State Phenom. 170, 213 (2011)
Document Type
Publication order reference
Identifiers
YADDA identifier
bwmeta1.element.bwnjournal-article-appv120n544kz
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