I-V characteristics of schottky/metal-insulator-semiconductor diodes with tunnel thin barriers

被引:0
|
作者
Sugimura, Tomoyuki [1 ]
Tsuzuku, Tatsutoshi [1 ]
Kasai, Yuhki [1 ]
Iiyama, Kouichi [1 ]
Takamiya, Saburo [1 ]
机构
[1] Grad. Sch. of Nat. Sci. and Technol., Kanazawa University, 2-40-20 Kodatsuno, Kanazawa, Ishikawa 920-8667, Japan
来源
| 2000年 / JJAP, Tokyo, Japan卷 / 39期
关键词
Characterization - Density (optical) - Electric currents - Electric potential - Experiments - Impurities - Insulating materials - Temperature distribution - Thickness control;
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摘要
Current-voltage (I-V) characteristics and their temperature dependence, of Schottky and metal-insulator-semiconductor diodes with tunnel thin insulating layers, are theoretically and experimentally studied. The effective barrier height of a Schottky diode becomes low and strongly dependent upon the applied voltage, when the impurity density of the semiconductor increases such that the tunnel current dominates the total curent. The I-V curves and their temperature dependence, of the tunnel thin MIS diodes strongly reflect the characteristics of the Schottky diodes, although the insulating layers suppress the currents, depending upon their I-layers thickness.
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