High Performance GaN-on-Si Power Devices with Ultralow Specific On-resistance Using Novel Strain Method Fabricated on 200 mm CMOS-Compatible Process Platform

Author(s):  
Roy K.-Y. Wong ◽  
H. C. Chiu ◽  
J. H. Zhang ◽  
C. Zhou ◽  
Thomas Zhao ◽  
...  
2018 ◽  
Vol 65 (1) ◽  
pp. 207-214 ◽  
Author(s):  
Sen Huang ◽  
Xinyu Liu ◽  
Xinhua Wang ◽  
Xuanwu Kang ◽  
Jinhan Zhang ◽  
...  

Author(s):  
Hanlin Xie ◽  
Zhihong Liu ◽  
Wenrui Hu ◽  
Zheng Zhong ◽  
Kenneth Lee ◽  
...  

2003 ◽  
Vol 764 ◽  
Author(s):  
Sei-Hyung Ryu ◽  
Anant K. Agarwal ◽  
James Richmond ◽  
John W. Palmour

AbstractVery high critical field, reasonable bulk electron mobility, and high thermal conductivity make 4H-Silicon carbide very attractive for high voltage power devices. These advantages make high performance unipolar switching devices with blocking voltages greater than 1 kV possible in 4H-SiC. Several exploratory devices, such as vertical MOSFETs and JFETs, have been reported in SiC. However, most of the previous works were focused on high voltage aspects of the devices, and the high speed switching aspects of the SiC unipolar devices were largely neglected. In this paper, we report on the static and dynamic characteristics of our 4H-SiC DMOSFETs. A simple model of the on-state characteristics of 4H-SiC DMOSFETs is also presented.


Electronics ◽  
2019 ◽  
Vol 8 (3) ◽  
pp. 312 ◽  
Author(s):  
Woo-Young Choi ◽  
Min-Kwon Yang

The conventional single-phase quasi-Z-source (QZS) inverter has a high leakage current as it is connected to the grid. To address this problem, this paper proposes a transformerless QZS inverter, which can reduce the leakage current for single-phase grid-tied applications. The proposed inverter effectively alleviates the leakage current problem by removing high-frequency components for the common-mode voltage. The operation principle of the proposed inverter is described together with its control strategy. A control scheme is presented for regulating the DC-link voltage and the grid current. A 1.0 kW prototype inverter was designed and tested to verify the performance of the proposed inverter. Silicon carbide (SiC) power devices were applied to the proposed inverter to increase the power efficiency. The experimental results showed that the proposed inverter achieved high performance for leakage current reduction and power efficiency improvement.


2020 ◽  
Vol 13 (2) ◽  
pp. 026503 ◽  
Author(s):  
Hanlin Xie ◽  
Zhihong Liu ◽  
Yu Gao ◽  
Kumud Ranjan ◽  
Kenneth E. Lee ◽  
...  

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