32 citations · 37 across the 4 of their papers we have counts for
7 papers
Two-Path Phonon-Interference Resonance Induces a Stop Band in Silicon Crystal Matrix by Embedded Nanoparticles Array
Shiqian Hu, Lei Feng, Shao Cheng +2
In this work, we report a new stop-band formation mechanism by performing the atomistic Green's function calculation and the wave-packet molecular dynamics simulation for a system…
Revisiting PbTe to identify how thermal conductivity is really limited
Shenghong Ju, Takuma Shiga, Lei Feng +1
Due to the long range interaction in lead telluride (PbTe), the transverse optical (TO) phonon becomes soft around the Brillouin zone center. Previous studies have postulated that…
Phonon-interference resonance effects in nanoparticles embedded in a matrix
Lei Feng, Takuma Shiga, Haoxue Han +3
We report an unambiguous phonon resonance effect originating from germanium nanoparticles embedded in silicon matrix. Our approach features the combination of phonon wave-packet me…
Thermal conductivity spectrum calculation from first-principles-based harmonic phonon theory
Takuma Shiga, Daisuke Aketo, Lei Feng +1
In recent years, nanostructuring of dielectric and semiconducting crystals has enhanced controllability of their thermal conductivity. To carry out computational material search fo…
Phonon transport in perovskite SrTiO3 from first principles
Lei Feng, Takuma Shiga, Junichiro Shiomi
We investigate phonon transport in perovskite strontium titanate (SrTiO3) which is stable above its phase transition temperature (~105 K) by using first-principles molecular dynami…
Controlling the Interlayer Coupling of Twisted Bilayer Graphene
Lan Meng, Wei Yan, Zhao-Dong Chu +5
The interlayer coupling of twisted bilayer graphene could markedly affect its electronic band structure. A current challenge required to overcome in experiment is how to precisely…