High-k dielectrics based field plate edge termination engineering in 4H-SiC Schottky diode

2016 ◽  
Vol 103 (12) ◽  
pp. 2064-2074 ◽  
Author(s):  
Bhawani Shankar ◽  
Sanjeev K. Gupta ◽  
William R. Taube ◽  
J. Akhtar
2001 ◽  
Vol 48 (12) ◽  
pp. 2659-2664 ◽  
Author(s):  
M.C. Tarplee ◽  
V.P. Madangarli ◽  
Quinchun Zhang ◽  
T.S. Sudarshan

2000 ◽  
Vol 338-342 ◽  
pp. 1223-1226 ◽  
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Q. Zhang ◽  
V. Madangarli ◽  
M. Tarplee ◽  
Tangali S. Sudarshan

2021 ◽  
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P. A. Ivanov ◽  
N. M. Lebedeva ◽  
N. D. Il’inskaya ◽  
M. F. Kudoyarov ◽  
T. P. Samsonova ◽  
...  

2019 ◽  
Vol 66 (10) ◽  
pp. 4251-4257 ◽  
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Yong Liu ◽  
Wentao Yang ◽  
Hao Feng ◽  
Linhua Huang ◽  
Yuichi Onozawa ◽  
...  

2001 ◽  
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M.M. De Souza ◽  
E.M. Sankara Narayanan ◽  
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K. Nomura ◽  
Q.T. Thieu ◽  
...  

2017 ◽  
Vol 730 ◽  
pp. 102-105
Author(s):  
Ey Goo Kang

The silicon carbide (SiC) material is being spotlighted as a next-generation power semiconductor material due to the characteristic limitations of the existing silicon materials. SiC has a wider band gap, higher breakdown voltage, higher thermal conductivity, and higher saturation electron mobility than Si. However, actual SiC SBDs exhibit a lower dielectric breakdown voltage than the theoretical breakdown voltage that causes the electric field concentration, a phenomenon that occurs on the edge of the contact surface as in the conventional power semiconductor devices. In this paper, we designed an edge termination structure using a field plate structure through oxide etch angle control, and optimized the structure to obtain a high breakdown voltage. The experiment results indicated that oxide etch angle was 45° when the breakdown voltage characteristics of the SiC SBD were optimized and a breakdown voltage of 681V was obtained.


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