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2006 | 109 | 4-5 | 657-660
Article title

Superconducting Regions and Kondo Effect of MgB_2 Formed by Implantation of Magnesium Ions into Boron Substrate

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EN
Abstracts
EN
The results of investigation of the polycrystalline boron implanted by magnesium and argon plasma pulse treatment are presented. The four-probe electric conductivity measurements and magnetically modulated microwave absorption showed the presence of superconducting islands below the temperature of 25 K. Below T=23 K we detected the Kondo effect, a logarithmic increase in the resistivity as the temperature is lowered, due to iron impurity.
Keywords
EN
Contributors
author
  • Institute of Molecular Physics, Polish Academy of Sciences, Smoluchowskiego 17, 60-179 Poznań, Poland
author
  • Institute of Molecular Physics, Polish Academy of Sciences, Smoluchowskiego 17, 60-179 Poznań, Poland
  • Institute of Molecular Physics, Polish Academy of Sciences, Smoluchowskiego 17, 60-179 Poznań, Poland
  • Institute of Molecular Physics, Polish Academy of Sciences, Smoluchowskiego 17, 60-179 Poznań, Poland
author
  • Institute of Molecular Physics, Polish Academy of Sciences, Smoluchowskiego 17, 60-179 Poznań, Poland
author
  • Institute of Molecular Physics, Polish Academy of Sciences, Smoluchowskiego 17, 60-179 Poznań, Poland
  • The Andrzej Sołtan Institute for Nuclear Studies, 05-400 Otwock/Świerk, Poland
  • Institute of Nuclear Chemistry and Technology, Dorodna 16, 03-145 Warszawa, Poland
  • The Andrzej Sołtan Institute for Nuclear Studies, 05-400 Otwock/Świerk, Poland
author
  • The Andrzej Sołtan Institute for Nuclear Studies, 05-400 Otwock/Świerk, Poland
author
  • Research Center Rossendorf Inc., Institute of Ion Beam Physics and Materials Research, P.O. Box 510119, 01314 Dresden, Germany
References
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Document Type
Publication order reference
Identifiers
YADDA identifier
bwmeta1.element.bwnjournal-article-appv109n435kz
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