SharePhase transitions in individual sub-micrometre superconductors.
Author(s) : GEIM A. K., GRIGORIEVA I. V., DUBONOS S. V., LOK J. G. S., MAAN J. C., FILIPPOV A. E., PEETERS F. M.
Type of article: Article
Summary
The authors apply a new technique of ballistic Hall magnetometry to study the magnetization of individual superconducting discs of diameters down to 100 nanometres. The superconducting state of these discs is found to be qualitatively different from both macroscopic and microscopic superconductors, with numerous phase transitions whose character changes rapidly with size and temperature. This exotic behaviour is due to size quantization of the Cooper-pair motion and resulting transitions between discrete states of the superconducting Bose condensate in a magnetic field.
Details
- Original title: Phase transitions in individual sub-micrometre superconductors.
- Record ID : 1998-3332
- Languages: English
- Source: Nature - vol. 390 - n. 6657
- Publication date: 1997/11/20
- Document available for consultation in the library of the IIR headquarters only.
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Indexing
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