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Simultaneous Field Emission and Photoemission Characterization of N-Doped CVD Diamond

Published online by Cambridge University Press:  10 February 2011

Ryuichi Matsuda ,
Ken Okano  and
Bradford B. Pate
Ryuichi Matsuda
Affiliation:
Physics Department, Washington State University, Pullman, WA 99164-2814
Ken Okano
Affiliation:
Physics Department, International Christian University, Tokyo, Japan, 181-3535
Bradford B. Pate
Affiliation:
Physics Department, Washington State University, Pullman, WA 99164-2814, pate@wsu.edu
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Abstract

The kinetic energy and spatial distribution of field electron emission from nitrogen (urea) doped, chemical vapor deposited (CVD) diamond films have been examined with simultaneous field emission and photoemission. A linear Fowler-Nordheim characteristic was measured over a wide range of currents. The field emission electrons originate from distinct areas of the flat sample. The dominant origin of field emission is due to electrons tunneling from near the valence band maximum. A time dependent fluctuation in the kinetic energy and spatial distribution of the emission is observed when the applied electric field (and hence emission current density) is increased well above the emission threshold.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 509: Symposium C – Materials Issues in Vacuum Microelectronics , 1998 , 59
Copyright
Copyright © Materials Research Society 1998

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