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Article
Dynamic cognitive processes of humor generation: activation and inhibition of information
Humor is a lubricant of interpersonal relationships and is regarded as an important quality of individual creativity. Previous studies have mainly focused on passive humor appreciation and comprehension but ig...
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Chapter and Conference Paper
GanDef: A GAN Based Adversarial Training Defense for Neural Network Classifier
Machine learning models, especially neural network (NN) classifiers, are widely used in many applications including natural language processing, computer vision and cybersecurity. They provide high accuracy un...
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Article
A charge-density-wave oscillator based on an integrated tantalum disulfide–boron nitride–graphene device operating at room temperature
A graphene transistor integrated on-chip on a hexagonal boron nitride-capped TaS2 layer provides a voltage-tunable, low-resistance load for controlling a TaS2 metal–insulator transition, enabling a compact voltag...
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Article
Open AccessGraphene quilts for thermal management of high-power GaN transistors
Self-heating is a severe problem for high-power gallium nitride (GaN) electronic and optoelectronic devices. Various thermal management solutions, for example, flip-chip bonding or composite substrates, have b...
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Article
Top-Gate Graphene-on-UNCD Transistors with Enhanced Performance
We fabricated a number of top-gate graphene field-effect transistors on the ultrananocrystalline diamond (UNCD) – Si composite substrates. Raman spectroscopy, scanning electron microscopy and atomic force micr...
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Article
Experimental Demonstration of Thermal Management of High-Power GaN Transistors with Graphene Lateral Heat Spreaders
Graphene is a promising candidate material for thermal management of high-power electronics owing to its high intrinsic thermal conductivity. Here we report preliminary results of the proof-of-concept demonstr...
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Article
Reversible Tuning of the Electronic Properties of Graphene via Controlled Exposure to Electron Beam Irradiation and Annealing
Graphene reveals many extraordinary properties including extremely high room temperature carrier mobility and intrinsic thermal conductivity. Understanding how to controllably modify graphene’s properties is e...
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Article
DNA Gating effect from single layer graphene
In this letter, single stranded Deoxyribonucleic Acids (ssDNA) are found to act as negative potential gating agents that increase the hole density in single layer graphene (SLG). Current-voltage measurement of...
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Article
1/f Noise in Graphene Field-Effect Transistors: Dependence on the Device Channel Area
We carried out a systematic experimental study of the low-frequency noise characteristics in a large number of single and bilayer graphene transistors. The prime purpose was to determine the dominant noise sou...
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Chapter and Conference Paper
Low-Frequency Electronic Noise in the Back-Gated and Top-Gated Graphene Devices
Graphene, which is a planar single sheet of sp2-bonded carbon atoms arranged in honeycomb lattice with superior electrical and heat conducting properties, has been proposed as material for future electronic circu...
