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2008 | 113 | 1 | 495-498
Article title

Low Temperature Anomalies in the Specific Heat and Magnetic Susceptibility of Na_{0.7}CoO_2 Samples

Content
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Languages of publication
EN
Abstracts
EN
We present a comparative study of Na_{0.7}CoO_2 samples obtained from three different sources and prepared by different methods. The specific heat and magnetic susceptibility measurements in the temperature range 2-300 K show substantial influence on the observed anomalies, which underlines that the system is extremely sensitive to preparation protocols.
Keywords
EN
Publisher

Year
Volume
113
Issue
1
Pages
495-498
Physical description
Dates
published
2008-01
received
2007-07-09
Contributors
author
  • Centre of Low Temperature Physics of the Faculty of Science UPJŠ, and Institute of Experimental Physics, SAS, 041 54 Košice, Slovakia
author
  • Centre of Low Temperature Physics of the Faculty of Science UPJŠ, and Institute of Experimental Physics, SAS, 041 54 Košice, Slovakia
author
  • Centre of Low Temperature Physics of the Faculty of Science UPJŠ, and Institute of Experimental Physics, SAS, 041 54 Košice, Slovakia
author
  • Institute of Physics AS CR, 18221 Prague, Czech Republic
author
  • Institute of Physics AS CR, 18221 Prague, Czech Republic
author
  • Institute of Physics AS CR, 18221 Prague, Czech Republic
author
  • Institute of Physics AS CR, 18221 Prague, Czech Republic
author
  • The "Vinča" Institute of Nuclear Sciences, 11001 Belgrade, Serbia
author
  • Faculty of Chemical and Food Technology, STU, 812 43, Bratislava, Slovakia
References
  • 1. T. Motohashi, R. Ueda, E. Naujalis, T. Tojo, I. Terasaki, T. Atake, M. Karppinen, H. Yamauchi, Phys. Rev. B 67, 064406 (2003)
  • 2. K. Takada, E. Takayama-Muromachi, F. Izumi, R.A. Dilanian, T. Sasaki, Nature (London) 422, 53 (2003)
  • 3. M.L. Foo, Y. Wang, S. Watauch, H.W. Zandbergen, T. He, R.J. Cava, N.P. Ong, Phys. Rev. Lett. 92, 247001 (2004)
  • 4. P. Caretta, M. Mariani, C.B. Azzoni, M.C. Mozzati, I. Bradarić, I. Savić, A. Feher, J.Šebek, Phys. Rev. B 70, 024409 (2004)
  • 5. A.H. Castro-Neto, G. Castilla, B.A. Jones, Phys. Rev. Lett. 81, 3531 (1998);A. Zorkovská, J. Šebek, E. Šantavá, I. Bradarić, A. Feher, Low Temp. Phys 33, 944 (2007)
  • 6. T. Takeuchi, M. Matoba, T. Aharen, M. Itoh, Physica B 312-313, 719 (2002)
Document Type
Publication order reference
Identifiers
YADDA identifier
bwmeta1.element.bwnjournal-article-appv113n1121kz
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