Ion Implantation and Transient Melting: A New Approach to Formation of Superconducting MgB_2 Phases

• Authors: J. Piekoszewski , W. Kempiński , J. Stankowski , F. Prokert , E. Richter , J. Stanisławski , Z. Werner , W. Szymczyk
• Languages of publication: EN

Abstracts

EN

An attempt to synthesize superconducting MgB_2 inter-metallic compound from the liquid state is presented. The process consists of two steps. In the first one, boron ions are implanted into a magnesium substrate. In the second one, the near-surface region of such system is melted by short, intense hydrogen plasma pulses without necessity of annealing in Mg vapor. A magnetically modulated microwave absorption method was used to detect superconducting regions in the obtained MgB_2 layer. Percolation between nano-regions (islands) of MgB_2 has not been observed. However, a superconducting state of the insulated islands has been experimentally proven with transition temperatures T_C as high as 31 K.

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: 2004
• Volume: 106
• Issue: 6
• Pages: 861-868

Dates

published

2004-12

received

2004-04-05

(unknown)

2004-08-09

Contributors

author

J. Piekoszewski

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

author

W. Kempiński

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

author

J. Stankowski

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

author

F. Prokert

• Forschungszentrum Rossendorf e.V. Institut für Ionenstrahlphysik und Materialforschung, Postfach 510119, 01314 Dresden, Germany

author

E. Richter

• Forschungszentrum Rossendorf e.V. Institut für Ionenstrahlphysik und Materialforschung, Postfach 510119, 01314 Dresden, Germany

author

J. Stanisławski

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

author

Z. Werner

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

author

W. Szymczyk

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

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Identifiers

DOI

10.12693/APhysPolA.106.861