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Low-Temperature Thermionic Emission from Diamond Micropowders with Sharp Edges
Tomomi YOSHIMOTO Tatsuo IWATA
IEICE TRANSACTIONS on Electronics
Publication Date: 2013/01/01
Online ISSN: 1745-1353
Print ISSN: 0916-8516
Type of Manuscript: BRIEF PAPER
Category: Semiconductor Materials and Devices
thermionic emission, diamond micropowder, work function,
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The thermionic emission properties of diamond micropowders were investigated. The thermionic emission current was observed at a low temperature of 702 K, and a work function of approximately 1.97 eV was obtained. Band bending in diamond micropowders induced by an applied electric field had a considerable influence on decreasing the work function.