Field evaporation of HTS materials as a nonequilibrium process

Vladimir N. Shrednik

doi:10.1117/12.174570

1 May 1994 Field evaporation of HTS materials as a nonequilibrium process

Vladimir N. Shrednik

Proceedings Volume 2259, XVI International Symposium on Discharges and Electrical Insulation in Vacuum; (1994) https://doi.org/10.1117/12.174570
Event: XVI International Symposium on Discharges and Electrical Insulation in Vacuum, 1994, Moscow-St. Petersburg, Russian Federation

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.

Citation Download Citation

Vladimir N. Shrednik "Field evaporation of HTS materials as a nonequilibrium process", Proc. SPIE 2259, XVI International Symposium on Discharges and Electrical Insulation in Vacuum, (1 May 1994); https://doi.org/10.1117/12.174570

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