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Proceedings Paper

Field evaporation of HTS materials as a nonequilibrium process
Author(s): Vladimir N. Shrednik
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Paper Abstract

The problem of field evaporation (FE) of the high temperature Superconductors (HTS) is discussed. The experimental data were obtained by techniques of wide-angle atom-probe and probe-hole atom-probe. These data are analyzed with the aims to estimate the binding energy (lambda) of removing particles from the surface and to find some possible correlation between simultaneously detected species. Both results of these processing show that destroy of unit cell of HTS-crystal at the elementary act of FE is essentially nonequilibrium process, and that well developed FE-theory of metals is only partly valid for HTS-materials.

Paper Details

Date Published: 1 May 1994
PDF: 4 pages
Proc. SPIE 2259, XVI International Symposium on Discharges and Electrical Insulation in Vacuum, (1 May 1994); doi: 10.1117/12.174570
Show Author Affiliations
Vladimir N. Shrednik, A.F. Ioffe Physical-Technical Institute (Russia)


Published in SPIE Proceedings Vol. 2259:
XVI International Symposium on Discharges and Electrical Insulation in Vacuum
Gennady A. Mesyats, Editor(s)

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