Electrical relaxation and exoelectron emission on the fresh mica surface

Autor:	Leon Golub, M. S. Metsik
Rok vydání:	1975
Předmět:	Materials science Precipitation (chemistry) Relaxation (NMR) Analytical chemistry General Physics and Astronomy Mineralogy Epitaxy Charged particle Suspension (chemistry) law.invention law Mica Crystallization Exoelectron emission
Zdroj:	Journal of Applied Physics. 46:1983-1986
ISSN:	1089-7550 0021-8979
DOI:	10.1063/1.321878
Popis:	By studying the precipitation of charged particles obtained from powder clouds, dielectrical suspension, and electrostatic separation in vacuum, we have found that isolated positively charged centers of activity are preserved on freshly cleaved mica surfaces for a long time after neutralization of the primary electrostatic mosaic. They induce negative charges in neighboring regions. Upon heating the mica to 400 °C three maxima of exoelectron emission which coincide with maxima of surface electrical activity are observed. The centers of electrical activity are associated with surface defects. The epitaxial crystallization on the surface is connected with these centers.
Databáze:	OpenAIRE
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