scholarly journals Co–Ni Alloy Superlattice Electrodeposited Using a Rectangular Pulse Current over a Megahertz Frequency Range

Author(s):  
M Saitou ◽  
2019 ◽  
Vol 9 (2) ◽  
pp. 192-197
Author(s):  
Somrita Ghosh ◽  
Aritra Acharyya

Background: The time and frequency responses of Multiple Quantum Barrier (MQB) nano-scale Avalanche Photodiodes (APDs) based on Si~3C-SiC material system have been investigated in this final part. Methods: A very narrow rectangular pulse of pulse-width of 0.4 ps has been used as the input optical pulse having 850 nm wavelength incidents on the p+-side of the MQB APD structures and corresponding current responses have been calculated by using a simulation method developed by the authors. Results: Finally the frequency responses of the devices are obtained via the Fourier transform of the corresponding pulse current responses in time domain. Conclusion: Simulation results show that MQB nano-APDs possess significantly faster time response and wider frequency response as compared to the flat Si nano-APDs under similar operating conditions.


1989 ◽  
Vol 40 (1) ◽  
pp. 160-161 ◽  
Author(s):  
Eiichi SUGANUMA ◽  
Yuji TANNO ◽  
Takeshi ITO

2012 ◽  
Vol 62 ◽  
pp. 63-72 ◽  
Author(s):  
Jorge Vazquez-Arenas ◽  
Tanyakarn Treeratanaphitak ◽  
Mark Pritzker

2002 ◽  
Vol 67 (8-9) ◽  
pp. 625-634 ◽  
Author(s):  
Jelena Bajat ◽  
Miodrag Maksimovic ◽  
Goran Radovic

Chemical composition and phase structure of Zn-Ni alloys obtained by electrochemical deposition under various conditions were investigated. The alloys were deposited on a rotating disc electrode and steel panel from chloride solutions by direct and pulse current. The influence of the pulse plating variables (on-time, off-time, relation of off- and on-time) on the composition, phase structure and corrosion properties were investigated. The phase composition affects the anticorrosive properties of Zn-Ni alloys during exposure to a corrosive agent (3% NaCl solution). It was shown that a Zn-Ni alloy electrodeposited by pulse current with a pulse time of 1 ms and an off- and on-time ratio of 1 exhibits the best corrosion properties.


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