Exciton manipulation in rippled transition metal dichalcogenides

Nanoscale ◽  
2020 ◽  
Vol 12 (41) ◽  
pp. 21124-21130
Author(s):  
Chen Long ◽  
Ying Dai ◽  
Jianwei Li ◽  
Hao Jin
Keyword(s):  
Transition Metal ◽  
Electric Field ◽  
Transition Metal Dichalcogenides ◽  
Spatial Separation ◽  
Morphological Control ◽  
Metal Dichalcogenides

Due to the introduction of morphological control, the excitons are pushed towards the regions with higher stress. In addition, combined with intrinsic electric field, a spatial separation of photo-excited electrons and holes is achieved.

Type-I Transition Metal Dichalcogenides Lateral Homojunctions: Layer Thickness and External Electric Field Effects

Small ◽  
2018 ◽  
Vol 14 (21) ◽  
pp. 1800365 ◽  
Author(s):  
Congxin Xia ◽  
Wenqi Xiong ◽  
Juan Du ◽  
Tianxing Wang ◽  
Yuting Peng ◽  
...  
Keyword(s):  
Transition Metal ◽  
Electric Field ◽  
Layer Thickness ◽  
External Electric Field ◽  
Transition Metal Dichalcogenides ◽  
Type I ◽  
Electric Field Effects ◽  
Field Effects ◽  
Metal Dichalcogenides

Two-dimensional transition-metal dichalcogenides-based ferromagnetic van der Waals heterostructures

Nanoscale ◽  
2017 ◽  
Vol 9 (44) ◽  
pp. 17585-17592 ◽  
Author(s):  
Juan Du ◽  
Congxin Xia ◽  
Wenqi Xiong ◽  
Tianxing Wang ◽  
Yu Jia ◽  
...  
Keyword(s):  
Transition Metal ◽  
Electric Field ◽  
Ground State ◽  
Van Der Waals ◽  
Transition Metal Dichalcogenides ◽  
Two Dimensional ◽  
Van Der Waals Heterostructures ◽  
Metal Dichalcogenides ◽  
Band Alignments ◽  
Curie Temperatures

TMDs-based vdW semiconducting heterostructures have stable ferromagnetic (FM) ground state, high Curie temperatures and electric field-tunable multi-band alignments.

scholarly journals Direct Visualization of Electric-Field-Induced Structural Dynamics in Monolayer Transition Metal Dichalcogenides

ACS Nano ◽  
2020 ◽  
Vol 14 (2) ◽  
pp. 1569-1576 ◽  
Author(s):  
Akshay A. Murthy ◽  
Teodor K. Stanev ◽  
Roberto dos Reis ◽  
Shiqiang Hao ◽  
Christopher Wolverton ◽  
...  
Keyword(s):  
Transition Metal ◽  
Electric Field ◽  
Structural Dynamics ◽  
Transition Metal Dichalcogenides ◽  
Direct Visualization ◽  
Metal Dichalcogenides

First-principles study of electronic and sodium-ion transport properties of transition-metal dichalcogenides

2018 ◽  
Vol 32 (20) ◽  
pp. 1850215 ◽  
Author(s):  
Zheng-Hai Liu ◽  
Ying Lin ◽  
Can Cao ◽  
Shu-Liang Zou ◽  
Jian-Tian Xiao ◽  
...  
Keyword(s):  
Transition Metal ◽  
Electric Field ◽  
Energy Gap ◽  
Transition Metal Dichalcogenides ◽  
Spin Splitting ◽  
Fast Diffusion ◽  
2D Layered Materials ◽  
Wide Range ◽  
Rashba Spin Splitting ◽  
Metal Dichalcogenides

Two-dimensional (2D) layered materials such as transition-metal dichalcogenides TS[Formula: see text]X[Formula: see text] (T = Mo, W; X = Se, Te) are available in mono and bilayers forms. The Rashba spin splitting is induced by the breaking of inversion symmetry in monolayer. The electronic structure of TS[Formula: see text]X[Formula: see text] is sensitive to an applied electric field. The perpendicular electric field can tune the energy gap. The semiconductor–metal transition appears under the critical electric field in the MoSSe/WSSe heterobilayer, and MoSTe/WSTe heterobilayer exhibits metal character due to spin–orbit coupling. Moreover, the results show that during sodiation/desodiation processes single-phase transition occurs with one one-dimensional (1D) transportation paths of sodium ions in MoS2, suggesting fast diffusion. Our results provide important insights into a wide range of applications of spin-polarized semiconductors and energy storage for transition-metal dichalcogenides TS[Formula: see text]X[Formula: see text].

Ultrafast and stable phase transition realized in MoTe2-based memristive devices

2022 ◽  
Author(s):  
Hui-Kai He ◽  
Yong-Bo Jiang ◽  
Jun Yu ◽  
Zi-Yan Yang ◽  
Chao-Fan Li ◽  
...  
Keyword(s):  
Phase Transition ◽  
Transition Metal ◽  
Electric Field ◽  
Transition Metal Dichalcogenides ◽  
Stable Phase ◽  
Two Dimensional ◽  
Metal Dichalcogenides ◽  
Phase Engineering

Two-dimensional phase engineering of transition metal dichalcogenides have received increasing attention in recent years due to their atomically thin nature and polymorphism. Here, we first realize an electric-field-induced controllable phase...

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