activity
20122022
most citedSemiconductor-to-metal transition in bilayer MoSiN and WSiN with strain and electric field

101 citations · 343 across the 11 of their papers we have counts for

collaborators

11 papers

physics.app-ph2022

Approaching intrinsic threshold breakdown voltage and ultra-high gain in graphite/InSe Schottky photodetector

Zhiyi Zhang, Bin Cheng, Jeremy Lim +10

Realizing both ultra-low breakdown voltage and ultra-high gain has been one of the major challenges in the development of high-performance avalanche photodetector. Here, we report…

cond-mat.mtrl-sci2022★ 15 cited

Cataloguing MoSiN and WSiN van der Waals Heterostructures: An Exceptional Material Platform for Excitonic Solar Cell Applications

Che Chen Tho, Chenjiang Yu, Qin Tang +14

Two-dimensional (2D) materials van der Waals heterostructures (vdWHs) provides a revolutionary route towards high-performance solar energy conversion devices beyond the conventiona…

cond-mat.mtrl-sci2021★ 61 cited

Tunable electronic properties and band alignments of MoSiN/GaN and MoSiN/ZnO van der Waals heterostructures

Jin Quan Ng, Qingyun Wu, L. K. Ang +1

Van de Waals heterostructures (VDWH) is an emerging strategy to engineer the electronic properties of two-dimensional (2D) material systems. Motivated by the recent discovery of Mo…

cond-mat.mtrl-sci2021★ 101 cited

Semiconductor-to-metal transition in bilayer MoSiN and WSiN with strain and electric field

Qingyun Wu, Liemao Cao, Yee Sin Ang +1

With exceptional electrical and mechanical properties and at the same time air-stability, layered MoSi2N4 has recently draw great attention. However, band structure engineering via…

cond-mat.mes-hall2020★ 40 cited

Electrical Contact between an Ultrathin Topological Dirac Semimetal and a Two-Dimensional Material

Liemao Cao, Guanghui Zhou, Qingyun Wu +4

Ultrathin films of topological Dirac semimetal, NaBi, has recently been revealed as an unusual electronic materials with field-tunable topological phases. Here we investigate t…

cond-mat.mtrl-sci2017★ 23 cited

Tunable magnetization relaxation of Fe_{2}Cr_{1-x}Co_{x}Si half-metallic Heusler alloys by band structure engineering

Shikun He, Yifan Liu, Yuhong Zheng +8

We report a systematic investigation on the magnetization relaxation properties of iron-based half-metallic Heusler alloy FeCrCo_Si (FCCS) thin films using broad…

cond-mat.mtrl-sci2017★ 4 cited

Magnetic Properties of Transition-Metal Adsorbed ot-Phosphorus Monolayer: A First-principles and Monte Carlo Study

Zengyao Wang, Qingyun Wu, Lei Shen

Using the first-principles and Monte Carlo methods, here we systematically study magnetic properties of monolayer octagonal-tetragonal phosphorus with 3d transition-metal (TM) adat…

cond-mat.mtrl-sci2014★ 46 cited

Efficient spin injection into graphene through a tunnel barrier: overcoming the spin conductance mismatch

Qingyun Wu, Lei Shen, Zhaoqiang Bai +4

Employing first-principles calculations, we investigate efficiency of spin injection from a ferromagnetic (FM) electrode (Ni) into graphene and possible enhancement by using a barr…

cond-mat.mes-hall2014★ 2 cited

Electronic and Transport Property of Phosphorene Nanoribbon

Qingyun Wu, Lei Shen, Ming Yang +2

By combining density functional theory and nonequilibrium Green's function, we study the electronic and transport properties of monolayer black phosphorus nanoribbons (PNRs). First…

cond-mat.mtrl-sci2013★ 49 cited

Thermal Stability and Electrical Control of Magnetization of Heusler/Oxide Interface and Non-collinear Spin Transport of Its Junction

Zhaoqiang Bai, Lei Shen, Yongqing Cai +4

Towards next-generation spintronics devices, such as computer memories and logic chips, it is necessary to satisfy high thermal stability, low-power consumption and high spin-polar…

cond-mat.mes-hall2012★ 2 cited

Beta-Ag2Te: A topological insulator with strong anisotropy

Azat Sulaev, Peng Ren, Bin Xia +12

We present evidence of topological surface states in beta-Ag2Te through first-principles calculations and periodic quantum interference effect in single crystalline nanoribbon. Our…