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Frictional magneto-Coulomb drag in graphene double-layer heterostructure
Xiaomeng Liu, Lei Wang, Kin Chung Fong +7
Coulomb interaction between two closely spaced parallel layers of electron system can generate the frictional drag effect by interlayer Coulomb scattering. Employing graphene doubl…
Nanobubble induced formation of quantum emitters in monolayer semiconductors
Gabriella D. Shepard, Obafunso Ajayi, Xiangzhi Li +3
The recent discovery of exciton quantum emitters in transition metal dichalcogenides (TMDCs) has triggered renewed interest of localized excitons in low-dimensional systems. Open q…
SU-8 clamped CVD graphene drum resonators
Sunwoo Lee, Changyao Chen, Vikram V. Deshpande +8
Graphene mechanical resonators are the ultimate two-dimensional nanoelectromechanical systems (NEMS) with applications in sensing and signal processing. While initial devices have…
Graphene mechanical oscillators with tunable frequency
Changyao Chen, Sunwoo Lee, Vikram V. Deshpande +4
Oscillators, which produce continuous periodic signals from direct current power, are central to modern communications systems, with versatile applications such as timing reference…
Magnetic brightening and control of dark excitons in monolayer WSe2
Xiao-Xiao Zhang, Ting Cao, Zhengguang Lu +9
Monolayer transition metal dichalcogenide (TMDC) crystals, as direct-gap materials with unusually strong light-matter interaction, have attracted much recent attention. In contrast…
Modulation of mechanical resonance by chemical potential oscillation in graphene
Changyao Chen, Vikram V. Deshpande, Mikito Koshino +5
The classical picture of the force on a capacitor assumes a large density of electronic states, such that the electrochemical potential of charges added to the capacitor is given b…