scholarly journals Conductance of quantum spin Hall edge states from first principles: The critical role of magnetic impurities and inter-edge scattering

2020 ◽  
Vol 101 (15) ◽  
Author(s):  
Luca Vannucci ◽  
Thomas Olsen ◽  
Kristian S. Thygesen
Keyword(s):  
First Principles ◽  
Critical Role ◽  
Quantum Spin ◽  
Magnetic Impurities ◽  
Edge States ◽  
Edge Scattering ◽  
Quantum Spin Hall

Spin rectification by orbital polarization in Bi-bilayer nanoribbons

2016 ◽  
Vol 18 (12) ◽  
pp. 8637-8642 ◽  
Author(s):  
Kyung-Hwan Jin ◽  
Seung-Hoon Jhi
Keyword(s):  
First Principles ◽  
Quantum Spin ◽  
Edge States ◽  
First Principles Calculations ◽  
Transport Method ◽  
Non Equilibrium ◽  
Quantum Spin Hall

We investigate the edge states of quantum spin-Hall phase Bi(111) bilayer nano-ribbons (BNRs) and their spin-rectifying effect using first-principles calculations and the non-equilibrium transport method.

scholarly journals Testing topological protection of edge states in hexagonal quantum spin Hall candidate materials

2018 ◽  
Vol 98 (16) ◽  
Author(s):  
Fernando Dominguez ◽  
Benedikt Scharf ◽  
Gang Li ◽  
Jörg Schäfer ◽  
Ralph Claessen ◽  
...  
Keyword(s):  
Quantum Spin ◽  
Edge States ◽  
Quantum Spin Hall

Gate-tunable superconductivity and charge-density wave in monolayer 1T$'$-MoTe$_2$ and 1T$'$-WTe$_2$

2021 ◽  
Author(s):  
Young-Woo Son ◽  
Jun-Ho Lee
Keyword(s):  
Phase Transitions ◽  
Charge Density ◽  
First Principles ◽  
Charge Density Wave ◽  
Density Wave ◽  
Quantum Spin ◽  
First Principles Calculation ◽  
Calculation Methods ◽  
Electron Doping ◽  
Quantum Spin Hall

Using first-principles calculation methods, we reveal a series of phase transitions as a function of gating or electron doping in monolayered quantum spin Hall (QSH) insulators, 1T$'$-MoTe$_2$ and 1T$'$-WTe$_2$. As...

scholarly journals Large bandgap quantum spin Hall insulator in methyl decorated plumbene monolayer: a first-principles study

RSC Advances ◽  
2019 ◽  
Vol 9 (72) ◽  
pp. 42194-42203 ◽  
Author(s):  
Shoaib Mahmud ◽  
Md. Kawsar Alam
Keyword(s):  
First Principles ◽  
Quantum Spin ◽  
First Principles Study ◽  
Quantum Spin Hall

Formulating methyl and trihalogenomethyl decorated plumbene monolayers as quantum spin Hall insulators for application in spintronic and dissipationless transport.

Prediction of flatness-driven quantum spin Hall effect in functionalized germanene and stanene

2016 ◽  
Vol 18 (40) ◽  
pp. 28134-28139 ◽  
Author(s):  
Run-wu Zhang ◽  
Wei-xiao Ji ◽  
Chang-wen Zhang ◽  
Ping Li ◽  
Pei-ji Wang
Keyword(s):  
Hall Effect ◽  
First Principles ◽  
Quantum Spin ◽  
Spin Hall Effect ◽  
First Principles Calculations ◽  
Quantum Spin Hall Effect ◽  
Chemical Functionalization ◽  
Quantum Spin Hall

We used first-principles calculations to predict a class of new QSH phases for f-Ge(Sn)X2 films, which are useful for applications because of not only their sizable nontrivial bulk gaps, but also the tunability of the QSH states by chemical functionalization.

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