Presentation 1998/12/11
Improvement of emission current stability and lowering of emission threshold voltage using tetrahedral amorphous carbon of MIS tunneling emmitter with epitaxial CaF_2 insulator layer
K Oshima, Y. Miyamoto, W. Saito, T. Maruyama, M. Watanabe,
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Abstract(in English) We fabricated. To get high transfer efficiency at low applied voltage by using scheme of hot electron transistors, we studied n-Si/CaF_2/PtSi/Pt/ta-C MIS tunneling emitter with epitaxial CaF_2 insulator layer and the termination of surface by ta-C for low work function material. At first, n-Si/CaF_2/PtSi/Pt MIS tunneling emitter was fabricated. By the improvement of adhesion between CaF_2 and metal layer, formation of filaments was inhibited stable emission current before and after the exposure in the air was observed. Electron emission at lower applied voltage was observed at first measurement just after formation of ta-C film on the devices, although current-voltage characteristics was similar to these without ta-C at next measurement.
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Keyword(in English) PtSi/Pt / emission current / filaments / tetrahedral amorphous carbon(ta-C)
Paper # ED98-168
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Committee ED
Conference Date 1998/12/11(1days)
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Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Improvement of emission current stability and lowering of emission threshold voltage using tetrahedral amorphous carbon of MIS tunneling emmitter with epitaxial CaF_2 insulator layer
Sub Title (in English)
Keyword(1) PtSi/Pt
Keyword(2) emission current
Keyword(3) filaments
Keyword(4) tetrahedral amorphous carbon(ta-C)
1st Author's Name K Oshima
1st Author's Affiliation Department of Electrical and Electronic Engineering, Tokyo Institute of Technology()
2nd Author's Name Y. Miyamoto
2nd Author's Affiliation Department of Electrical and Electronic Engineering, Tokyo Institute of Technology
3rd Author's Name W. Saito
3rd Author's Affiliation Department of Electrical and Electronic Engineering, Tokyo Institute of Technology
4th Author's Name T. Maruyama
4th Author's Affiliation Research Center for Quantum Effect Electronics, Tokyo Institute of Technology
5th Author's Name M. Watanabe
5th Author's Affiliation Research Center for Quantum Effect Electronics, Tokyo Institute of Technology
Date 1998/12/11
Paper # ED98-168
Volume (vol) vol.98
Number (no) 467
Page pp.pp.-
#Pages 6
Date of Issue