Temperature dependence of field emission characteristics of phosphorus-doped polycrystalline diamond films

1998 ◽  
Vol 73 (2) ◽  
pp. 268-270 ◽  
Author(s):  
Takashi Sugino ◽  
Kenji Kuriyama ◽  
Chiharu Kimura ◽  
Seiji Kawasaki
2001 ◽  
Author(s):  
S. H. Shin ◽  
T. S. Fisher ◽  
D. G. Walker ◽  
A. M. Strauss ◽  
W. P. Kang ◽  
...  

Abstract This work examines the electron field emission characteristics of polycrystalline diamond films at high temperatures. Diamond is an excellent material as a field emitter because its high mechanical hardness and chemical inertness enable robust reliability. Diamond is also a wide-band gap semiconductor, increasing the probability for selective emission of higher-energy electrons. In recent years, considerable interest has developed in energy conversion applications of polycrystalline diamond films. However, little work has been considered for the field emission characteristics of diamond at elevated temperatures. The motivation behind this study involves direct energy conversion applications in power generation systems, where high temperatures exist. N-doped polycrystalline diamond films were grown by plasma-enhanced chemical-vapor deposition (PECVD). To investigate the effect of increased temperatures on field emission, current-voltage measurements were taken from the same diamond film at varying temperatures. Results from these measurements indicate a decrease in the turn-on voltage with increasing temperature. Further analysis of the temperature dependency of diamond was achieved through the parameter estimation of the effective emitting area, field enhancement factor, and work function. These results suggest that high-energy electrons are responsible for improved emission at high temperature. The resulting possibilities for direct energy conversion via diamond field emission are considered and discussed.


1999 ◽  
Vol 86 (8) ◽  
pp. 4635-4642 ◽  
Author(s):  
Takashi Sugino ◽  
Kenji Kuriyama ◽  
Chiharu Kimura ◽  
Yuuko Yokota ◽  
Seiji Kawasaki ◽  
...  

1999 ◽  
Vol 174 (1) ◽  
pp. 145-154 ◽  
Author(s):  
T. Sugino ◽  
C. Kimura ◽  
K. Kuriyama ◽  
Y. Yokota ◽  
S. Koizumi ◽  
...  

1999 ◽  
Vol 146 (1-4) ◽  
pp. 295-298 ◽  
Author(s):  
Chiharu Kimura ◽  
Kenji Kuriyama ◽  
Satoshi Koizumi ◽  
Mutsukazu Kamo ◽  
Takashi Sugino

2019 ◽  
Vol 807 ◽  
pp. 82-86
Author(s):  
Shu Yi Wei ◽  
Shi Jin Liu ◽  
Xiu Xia Zhang ◽  
Li Xin Guo

In this paper, nanodiamond films (NDF) were prepared on glass substrate by screen printing with nanodiamond. The NDF was printed with two layers and treated with different surface treatments.The field emission model of nanodiamond thin film was established. Field Emission of different Ratio was studyed. The mechanism by which the field emission characteristics of nanocrystalline diamond films are improved was analyzed.


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