Theoretical and Experimental Study on AlGaN/GaN Schottky Barrier Diode on Si Substrate with Double-Heterojunction
Theoretical and Experimental Study on AlGaN/GaN Schottky Barrier Diode on Si Substrate with Double-Heterojunction
复制标题
双异质结Si衬底AlGaN/GaN肖特基势垒二极管的理论与实验研究
DOI:
10.1186/s11671-020-03376-z
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发表时间:
2020-07
影响因子:
--
通讯作者:
Zhang Bo
中科院分区:
文献类型:
--
作者:
Sun Tao;Luo Xiaorong;Wei Jie;Yang Chao;Zhang Bo
An AlGaN/GaN Schottky barrier diode (SBD) with double-heterojunction is theoretically and experimentally investigated on the GaN/AlGaN/GaN/Si-sub. The two-dimensional hole gas (2DHG) and electron gas (2DEG) are formed at the GaN-top/AlGaN and AlGaN/GaN interface, respectively. At the off-state, the 2DEH and 2DHG are partially depleted and then completely disappear. There remain the fixed positive and negative polarization charges, forming the polarization junction. Therefore, a flat electric field in the drift region and a high breakdown voltage (BV) are obtained. Moreover, the anode is recessed to reduce turn-on voltage (VON). The low-damage ICP etching process results in the improved Schottky contacts, and a low leakgae current and a lowVONis obtained. The fabricated SBD exhibits a BV of 1109 V with anode-to-cathode distance (LAC) of 11 μm. The fabricated SBDs achieve a lowVONof 0.68 V with good uniformity, a high on/off current ratio ∼ 1010at room temperature, a low specific on-resistance (RON,SP) of 1.17 mΩ cm2, and a high Baliga’s figure-of-merit (FOM) of 1051 MW/cm2.
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影响因子:
5.3
作者:
通讯作者:
--
DOI:
10.1109/ispsd.2014.6856022
发表时间:
2014-06
期刊:
2014 IEEE 26th International Symposium on Power Semiconductor Devices & IC's (ISPSD)
影响因子:
--
作者:
V. Unni;H. Long;M. Sweet;A. Balachandran;E. Narayanan;A. Nakajima;H. Kawai
通讯作者:
V. Unni;H. Long;M. Sweet;A. Balachandran;E. Narayanan;A. Nakajima;H. Kawai
影响因子:
4
作者:
Chen, Wanjun;Wong, King-Yuen;Chen, Kevin J.
通讯作者:
Chen, Kevin J.
影响因子:
4.9
作者:
Lenci, Silvia;De Jaeger, Brice;Decoutere, Stefaan
通讯作者:
Decoutere, Stefaan
DOI:
10.1002/pssc.201200569
发表时间:
2013-05
期刊:
Physica Status Solidi (c)
影响因子:
--
作者:
Eldad Bahat Treidel;O. Hilt;A. Wentzel;J. Würfl;G. Tränkle
通讯作者:
Eldad Bahat Treidel;O. Hilt;A. Wentzel;J. Würfl;G. Tränkle