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THERMIONIC EMISSION ENHANCEMENT FROM CESIUM COATED RHENIUM IN ELECTRIC FIELDS

Abstract

The plasma-anode technique was used to observe anomalously high thermionic emission from a rhenium surface with small cesium coverage, where the work function of the composite surface is greater than the ionization potential of cesium. Data suggest that emission enhancement is caused by increased cesium coverage because of cesiumion trapping near the emitter surface under the influence of an ion-rich sheath. (auth)
Publication Date:
Apr 15, 1963
Product Type:
Conference
Report Number:
CONF-68-2; AED-Conf-63-064-4
Reference Number:
NSA-17-036535
Resource Relation:
Conference: The Electrochemical Society Conference, Pittsburgh, PA (United States), 15-18 Apr 1963
Subject:
PHYSICS; ANODES; BINDING ENERGY; CESIUM; COATING; DIFFUSION; ELECTRIC FIELDS; EMISSION; IONIZATION; IONS; MEASURED VALUES; PENNSYLVANIA; PERFORMANCE; PLASMA; RHENIUM; SURFACES; THERMIONICS
Sponsoring Organizations:
Sponsor not identified
OSTI ID:
4876315
Research Organizations:
Westinghouse Research Labs., Pittsburgh, PA (United States)
Country of Origin:
United States
Language:
English
Submitting Site:
DTIE
Size:
Pages: 9
Announcement Date:
Jul 20, 2013

Citation Formats

de Steese, J. G., and Zollweg, R. J. THERMIONIC EMISSION ENHANCEMENT FROM CESIUM COATED RHENIUM IN ELECTRIC FIELDS. United States: N. p., 1963. Web.
de Steese, J. G., & Zollweg, R. J. THERMIONIC EMISSION ENHANCEMENT FROM CESIUM COATED RHENIUM IN ELECTRIC FIELDS. United States.
de Steese, J. G., and Zollweg, R. J. 1963. "THERMIONIC EMISSION ENHANCEMENT FROM CESIUM COATED RHENIUM IN ELECTRIC FIELDS." United States.
@misc{etde_4876315,
title = {THERMIONIC EMISSION ENHANCEMENT FROM CESIUM COATED RHENIUM IN ELECTRIC FIELDS}
author = {de Steese, J. G., and Zollweg, R. J.}
abstractNote = {The plasma-anode technique was used to observe anomalously high thermionic emission from a rhenium surface with small cesium coverage, where the work function of the composite surface is greater than the ionization potential of cesium. Data suggest that emission enhancement is caused by increased cesium coverage because of cesiumion trapping near the emitter surface under the influence of an ion-rich sheath. (auth)}
place = {United States}
year = {1963}
month = {Apr}
}