18 Questions
What kind of gap do single-layer and multi-layer transition metal dichalcogenides (TMD) have?
Direct gap for single-layer samples, indirect gap for multi-layer samples
Why are semiconducting Transition Metal Dichalcogenides (TMD) particularly interesting for device applications?
They have promising electrical and optical properties
What property of two-dimensional materials has garnered significant attention recently?
Their structural and electronic properties
What is the focus of the discussion in the text related to excitonic effects?
The presence of excitonic effects in the discussed systems
Which external conditions can significantly affect the electronic properties of Transition Metal Dichalcogenides (TMD)?
Temperature, pressure, or stress
What differentiates the band structure of transition metal dichalcogenides in single-layer and multi-layer samples?
Multi-layer samples have a direct band gap, while single-layer samples have an indirect one
What property of monolayer and few-layer samples of TMDs makes excitonic effects especially relevant in these compounds?
Reduced dielectric screening
How can metallic behavior be induced in semiconducting TMDs similar to graphene?
By means of electric field effects or by doping
What happens to the critical temperature Tc for superconductivity in MoS2 as carrier concentration increases?
It exhibits a superconducting dome with a maximum for a certain range of doping n
What is one of the main limitations for the mobility of chemical vapor deposition grown single-layer MoS2?
Short-range disorder caused by vacancies or adatoms
Which method has been used to study the effect of disorder on TMDs, including ab initio calculations and simulations of realistic samples?
Real space tight-binding (TB) methods
Which material enhances the Andreev conductance of the MoS2-based S/N structure?
Tungsten disulfide
What makes the existence of neutral and charged excitons in TMDs attractive for optoelectronic applications?
Their possible manipulation for optoelectronic applications
In which publication did R.Roldán and colleagues explore the electronic properties of transition metal dichalcogenides?
Nano Letters
Who conducted a study on the quantum properties of graphene in 2014?
X.Xu
Which team focused on the applications of graphene in electronics in 2013?
K.F.Mak et al.
In which publication did Z.Y.Zhu, Y.C.Cheng, and U.Schwingenschlögl examine graphene properties?
Physical Review B
Who conducted experimental studies on graphene properties in 2012 in the journal Nature Physics?
G.Sallen et al.
Explore the enhanced Andreev conductance of a MoS2-S/N structure with a strong spin-orbit coupling (SOC) compared to a similar structure with gapped graphene. Learn about the electronic properties discussed in the review articles by multiple authors.
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