scholarly journals Mg(OH)2−WS2 van der Waals heterobilayer: Electric field tunable band-gap crossover

2016 ◽  
Vol 94 (19) ◽  
Author(s):  
M. Yagmurcukardes ◽  
E. Torun ◽  
R. T. Senger ◽  
F. M. Peeters ◽  
H. Sahin
Keyword(s):  
Electric Field ◽  
Band Gap ◽  
Van Der Waals ◽  
Tunable Band Gap

scholarly journals Electric field tunable band-gap crossover in black(blue) phosphorus/g-ZnO van der Waals heterostructures

RSC Advances ◽  
2017 ◽  
Vol 7 (55) ◽  
pp. 34584-34590 ◽  
Author(s):  
Wei Zhang ◽  
Lifa Zhang
Keyword(s):  
Zinc Oxide ◽  
Optical Properties ◽  
Electric Field ◽  
Band Gap ◽  
Density Functional Calculations ◽  
Density Functional ◽  
Van Der Waals ◽  
Van Der Waals Heterostructures ◽  
Hybrid Density Functional ◽  
Tunable Band Gap

Using hybrid density functional calculations, we studied the electronic and optical properties of graphitic zinc oxide (g-ZnO) and phosphorene van der Waals (vdW) heterostructures.

Tunable band gap of graphyne-based homo- and hetero-structures by stacking sequences, strain and electric field

2018 ◽  
Vol 20 (42) ◽  
pp. 26934-26946 ◽  
Author(s):  
Jiangni Yun ◽  
Yanni Zhang ◽  
Yanbing Ren ◽  
Manzhang Xu ◽  
Junfeng Yan ◽  
...  
Keyword(s):  
Electric Field ◽  
Band Gap ◽  
Electronic Structures ◽  
Vertical Electric Field ◽  
Tunable Band Gap ◽  
External Strain

Stacking sequences, external strain and a vertical electric field can be used to effectively modulate the electronic structures of graphyne-based homo- and hetero-structures.

Tunable electronic properties in the van der Waals heterostructure of germanene/germanane

2015 ◽  
Vol 17 (18) ◽  
pp. 12194-12198 ◽  
Author(s):  
Run-wu Zhang ◽  
Chang-wen Zhang ◽  
Wei-xiao Ji ◽  
Feng Li ◽  
Miao-juan Ren ◽  
...  
Keyword(s):  
Electric Field ◽  
Band Gap ◽  
Electronic Properties ◽  
External Electric Field ◽  
High Performance ◽  
Room Temperature ◽  
Van Der Waals ◽  
Van Der Waals Heterostructure ◽  
Structural And Electronic Properties

We investigate the structural and electronic properties of germanene/germanane heterostructures. The band gap in these heterostructures can be effectively modulated by the external electric field and strain. These results provide a route to design high-performance FETs operating at room temperature in nanodevices.

scholarly journals Tuning Electronic Properties of GaSe/Silicane Van der Waals Heterostructure by External Electric Field and Strain: A First-Principle Study

2021 ◽  
Vol 2021 ◽  
pp. 1-8
Author(s):  
Gang Xu ◽  
Hao Lei
Keyword(s):  
Electric Field ◽  
Band Gap ◽  
Van Der Waals ◽  
Band Alignment ◽  
Type I ◽  
First Principle ◽  
Type Ii ◽  
Direct Band Gap ◽  
Direct Band ◽  
Vdw Heterostructure

The electronic structure of GaSe/silicane (GaSe/SiH) van der Waals (vdW) heterostructure in response to a vertical electric field and strain was studied via first-principle calculations. The heterostructure had indirect band gap characteristics in the range [−1.0, −0.4] V/Å and direct band gap features in the range [−0.3, 0.2] V/Å. Furthermore, a type-II to type-I band alignment transition appeared at −0.7 and −0.3 V/Å. Additionally, the GaSe/SiH vdW heterostructure had a type-II band alignment under strain, but an indirect to direct band gap semiconductor transition occurred at −3%. These results indicated that the GaSe/SiH vdW heterostructure may have applications in novel nanoelectronic and optoelectronic devices.

Electrically tunable band gap in strained h-BN/silicene van der Waals heterostructures

2021 ◽  
Author(s):  
Douglas D. de Vargas ◽  
Mateus H. Köhler ◽  
Rogério J. Baierle
Keyword(s):  
Band Gap ◽  
Electric Fields ◽  
Compressive Strain ◽  
Van Der Waals ◽  
Charge Redistribution ◽  
Van Der Waals Heterostructures ◽  
External Electric Fields ◽  
Orbital Hybridization ◽  
Tunable Band Gap

The charge redistribution and orbital hybridization due to external electric fields and compressive strain are very promising for silicene-based nanoelectronics.

Tunable band gap and high carrier mobility in stanene by small organic molecule adsorption and external electric field

2021 ◽  
Author(s):  
Meixia Xiao ◽  
Xiao Shao ◽  
Hai Yang Song ◽  
Zhao Li ◽  
Minrong An ◽  
...  
Keyword(s):  
Electric Field ◽  
Band Gap ◽  
Electronic Properties ◽  
External Electric Field ◽  
Carrier Mobility ◽  
Organic Molecule ◽  
Small Organic Molecule ◽  
High Carrier Mobility ◽  
High Carrier ◽  
Tunable Band Gap

The effects of small organic molecule (SOM) adsorption with benzene (C6H6), hexafluorobenzene (C6F6), and p‒difluorobenzene (C6H4F2) on the electronic properties of stanene under the external electric field are investigated through...

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