Synergetic Effect of NiOx Decoration and Oxygen Plasma Treatment on Electrochemical Capacitor Performance of Vertical Graphene Nanosheets

2021 ◽  
Vol 4 (1) ◽  
pp. 791-800
Author(s):  
Gopinath Sahoo ◽  
Shyam R. Polaki ◽  
Anees Pazhedath ◽  
Nanda G. Krishna ◽  
Tom Mathews ◽  
...  
2013 ◽  
Vol 347-350 ◽  
pp. 1535-1539
Author(s):  
Jian Jun Zhou ◽  
Liang Li ◽  
Hai Yan Lu ◽  
Ceng Kong ◽  
Yue Chan Kong ◽  
...  

In this letter, a high breakdown voltage GaN HEMT device fabricated on semi-insulating self-standing GaN substrate is presented. High quality AlGaN/GaN epilayer was grown on self-standing GaN substrate by metal organic chemical vapor deposition. A 0.8μm gate length GaN HEMT device was fabricated with oxygen plasma treatment. By using oxygen plasma treatment, gate forward working voltage is increased, and a breakdown voltage of more than 170V is demonstrated. The measured maximum drain current of the device is larger than 700 mA/mm at 4V gate bias voltage. The maximum transconductance of the device is 162 mS/mm. In addition, high frequency performance of the GaN HEMT device is also obtained. The current gain cutoff frequency and power gain cutoff frequency are 19.7 GHz and 32.8 GHz, respectively. A high fT-LG product of 15.76 GHzμm indicating that homoepitaxy technology is helpful to improve the frequency performance of the device.


RSC Advances ◽  
2014 ◽  
Vol 4 (50) ◽  
pp. 26240-26243 ◽  
Author(s):  
M. Gołda-Cępa ◽  
N. Aminlashgari ◽  
M. Hakkarainen ◽  
K. Engvall ◽  
A. Kotarba

A versatile parylene C coating for biomaterials was fabricated by the mild oxygen plasma treatment and examined by the use of LDI-MS..


2019 ◽  
Vol 463 ◽  
pp. 91-95 ◽  
Author(s):  
Vallivedu Janardhanam ◽  
Hyung-Joong Yun ◽  
Inapagundla Jyothi ◽  
Shim-Hoon Yuk ◽  
Sung-Nam Lee ◽  
...  

2017 ◽  
Vol 53 (89) ◽  
pp. 12100-12103 ◽  
Author(s):  
Jaeyeon Bae ◽  
Jin-Woo Jung ◽  
Hyo Yul Park ◽  
Chang-Hee Cho ◽  
Jinhee Park

HKUST-1, a representative MOF, can be both regenerated and protected against moisture deactivation by treatment with O2 plasma.


2011 ◽  
Vol 11 (11) ◽  
pp. 3031-3035 ◽  
Author(s):  
W. S. Shih ◽  
S. J. Young ◽  
L. W. Ji ◽  
W. Water ◽  
T. H. Meen ◽  
...  

1997 ◽  
Vol 431 (2) ◽  
pp. 297-299 ◽  
Author(s):  
N. Bellakhal ◽  
K. Draou ◽  
B.G. Che´ron ◽  
J.L. Brisset

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