Research topics

Our research focuses mainly on theory and simulation of quantum transport of charge, spin and heat. These topics include (but not limited to) nano-electronics, spintronics, magnetotransport, thermoelectrics, phononics, quantum thermal transport. We should also count ballistic transport, quantum diffusion and localization, scaling theory, multilayer scaling law, anomalous diffusion, quartic dispersion, unconventional tunneling as major themes/key words in our research. In our group, we are also actively working on determining and engineering the physical properties of novel two-dimensional materials. It is our aim to unravel the underlying mechanisms of complex phenomena.

Current research topics and selected publications are listed below.

Electronic and magnetic properties of novel quantum materials

Physics of quartic dispersion systems; magnetism in low dimensional systems.

“Quartic Dispersion, Strong Singularity, Magnetic Instability, and Unique Thermoelectric Properties in Two-Dimensional Hexagonal Lattices of Group-VA Elements”
Nano Letters 17, 2589 (2017)

Quantum transport

Anomalous diffusion and localization; transport in multilayer systems: transport regimes and scaling laws; magnetotransport in 2D systems; quartic tunneling.

“Toward Optimized Charge Transport in Multilayer Reduced Graphene Oxides”
Nano Letters 22, 2202 (2022)

Two-dimensional materials

Computational discovery of novel 2D materials

“Structural, Vibrational and Electronic Properties of Single Layer Hexagonal Crystals of Groups IV and V”
Phys. Rev. B 98, 045431 (2018)

Thermoelectrics

Nano-thermoelectrics; efficient thermoelectric transport at ultra-low temperatures.

“Enhanced thermoelectric figure of merit in edge disordered zigzag graphene nanoribbons”
Phys. Rev. B 81, 113401 (2010)

Phononics

Quantum thermal conductivity; molecular phononics; vibrational properties of 2D amorphous materials

“First-Principles Investigation of Photoisomeric Switching of Vibrational Heat Current across Molecular Junctions ”
Physical Review Applied 14, 064045 (2020)