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2008 | 114 | 1 | 179-184
Article title

The Evolution of Superconducting Phase MgB_x

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EN
Abstracts
EN
Thin layers of MgB_x were studied in order to define evolution of superconducting phase after Mg ions implantation into boron substrate. Three fluencies of energies 140, 80, and 40 keV were used to establish proper stoichiometry to synthesize homogeneous MgB_2 film. Additionally, the annealing processes were carried out at temperatures 400, 500, and 600°C in a furnace in an atmosphere of flowing Ar-4%H_2 gas mixture. The quality of the superconducting material was examined by magnetically modulated microwave absorption, and magnetic and resistivity measurements. The results showed that T_c becomes higher with increasing annealing temperature. However, the fraction of superconducting phase decreases, due to partial evaporation of Mg ions and their deeper migration into boron substrate.
Keywords
EN
Contributors
author
  • Institute of Molecular Physics, Polish Academy of Sciences, Smoluchowskiego 17, 61-179 Poznań, Poland
author
  • Institute of Molecular Physics, Polish Academy of Sciences, Smoluchowskiego 17, 61-179 Poznań, Poland
  • Institute of Molecular Physics, Polish Academy of Sciences, Smoluchowskiego 17, 61-179 Poznań, Poland
  • Institute of Molecular Physics, Polish Academy of Sciences, Smoluchowskiego 17, 61-179 Poznań, Poland
author
  • Institute of Molecular Physics, Polish Academy of Sciences, Smoluchowskiego 17, 61-179 Poznań, Poland
author
  • Institute of Molecular Physics, Polish Academy of Sciences, Smoluchowskiego 17, 61-179 Poznań, 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
  • The Andrzej Sołtan Institute for Nuclear Studies, 05-400 Otwock/Świerk, Poland
References
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Document Type
Publication order reference
Identifiers
YADDA identifier
bwmeta1.element.bwnjournal-article-appv114n126kz
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