Qi Zhang

ORCID: 0009-0003-9276-5720
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About
Contact & Profiles
Research Areas
  • Graphene research and applications
  • Quantum and electron transport phenomena
  • Low-power high-performance VLSI design
  • Plasmonic and Surface Plasmon Research
  • Energy Harvesting in Wireless Networks

Chengdu University of Technology
2023

This letter introduces a graphene voltage-adjustable attenuator with an equalization effect. The consists of pair <italic xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">LC</i> bias circuits and microstrip lines. Graphene was located in the line gap voltage at both ends is adjusted to achieve dynamically tunable attenuation. At same time, symbolically defined device (SDD) model established based on conductivity formula graphene. By equivalent...

10.1109/lmwt.2023.3269668 article EN IEEE Microwave and Wireless Technology Letters 2023-05-08

In this brief, the oscillation characteristics of multilayer graphene are verified and analyzed by simulating fabricating a oscillator with low phase noise. Graphene has strong nonlinearity. Biasing can change in-band conductivity graphene. With electromagnetic excitation DC bias circuit, be approximated as series-parallel connection multiple discrete element resistors inductors, which used to make resonant circuits. we first analyze principle voltage surface graphene, establish Symbolically...

10.1109/tcsii.2023.3279312 article EN IEEE Transactions on Circuits & Systems II Express Briefs 2023-05-23
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