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

• Authors: Z Trybuła , W Kempiński , B Andrzejewski , L Piekara-Sady , J Kaszyński , M Trybuła , J Piekoszewski , J Stanisławski , M Barlak , E Richter
• Languages of publication: 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

74.70.-b; 74.78.-w

Discipline

• 74.78.-w: Superconducting films and low-dimensional structures
• 74.70.-b: Superconducting materials other than cuprates(for cuprates, see 74.72.-h; for superconducting films, see 74.78.-w)

• Publisher: Institute of Physics, Polish Academy of Sciences
• Journal: Acta Physica Polonica A
• Year: 2006
• Volume: 109
• Issue: 4-5
• Pages: 657-660

Dates

published

2006-04

received

2005-09-25

Contributors

author

Z Trybuła

• Institute of Molecular Physics, Polish Academy of Sciences, Smoluchowskiego 17, 60-179 Poznań, Poland

author

W Kempiński

• Institute of Molecular Physics, Polish Academy of Sciences, Smoluchowskiego 17, 60-179 Poznań, Poland

author

B Andrzejewski

• Institute of Molecular Physics, Polish Academy of Sciences, Smoluchowskiego 17, 60-179 Poznań, Poland

author

L Piekara-Sady

• Institute of Molecular Physics, Polish Academy of Sciences, Smoluchowskiego 17, 60-179 Poznań, Poland

author

J Kaszyński

• Institute of Molecular Physics, Polish Academy of Sciences, Smoluchowskiego 17, 60-179 Poznań, Poland

author

M Trybuła

• Institute of Molecular Physics, Polish Academy of Sciences, Smoluchowskiego 17, 60-179 Poznań, Poland

author

J Piekoszewski

• The Andrzej Sołtan Institute for Nuclear Studies, 05-400 Otwock/Świerk, Poland
• Institute of Nuclear Chemistry and Technology, Dorodna 16, 03-145 Warszawa, Poland

author

J Stanisławski

• The Andrzej Sołtan Institute for Nuclear Studies, 05-400 Otwock/Świerk, Poland

author

M Barlak

• The Andrzej Sołtan Institute for Nuclear Studies, 05-400 Otwock/Świerk, Poland

author

E Richter

• Research Center Rossendorf Inc., Institute of Ion Beam Physics and Materials Research, P.O. Box 510119, 01314 Dresden, Germany

References

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Identifiers

DOI

10.12693/APhysPolA.109.657