A First Report of Photoemission in Experiments Related to Flash Sintering

A highly nonlinear increase in electrical conductivity and concomitant photoemission occurs not only during “flash sintering” but also in presintered, dense specimens. We report results from experiments with dense specimens that show a strong correspondence between the intensity of photoemission and...

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Bibliographic Details
Published in:Journal of the American Ceramic Society 2014-08, Vol.97 (8), p.2427-2430
Main Authors: Lebrun, Jean-Marie, Raj, Rishi
Format: Article
Language:English
Subjects:
Ceramic sintering
Ceramics
Conductivity
Electric properties
Electrical conductivity
Electrical resistivity
Electrons
Nonlinearity
Photoemission
Resistance sintering
Resistivity
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Summary:A highly nonlinear increase in electrical conductivity and concomitant photoemission occurs not only during “flash sintering” but also in presintered, dense specimens. We report results from experiments with dense specimens that show a strong correspondence between the intensity of photoemission and electrical conductivity of specimens under a variety of conditions of the electrical parameters. It is proposed that both properties are related to the concentration of electron–hole pairs generated in such experiments.
ISSN:0002-7820
1551-2916
DOI:10.1111/jace.13130