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Substrate-Mediated Persistent Photodoping in WSe2/hBN Field-Effect Transistors Enabled by Defect States in SiO2
Sung-Ha Kim, Seong-Yeon Lee, Tae-Jeong Kim +6
Photodoping plays an important role in determining the optoelectronic response of two-dimensional semiconductor devices; however, the origin of the responsible trap states remains…
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…
High-resolution spatial mapping of the temperature distribution of a Joule self-heated graphene nanoribbon
Young-Jun Yu, Melinda Y. Han, Stephane Berciaud +5
We investigate the temperature distributions of Joule self-heated graphene nanoribbons (GNRs) with a spatial resolution finer than 100 nm by scanning thermal microscopy (SThM). The…
Tuning the graphene work function by electric field effect
Young-Jun Yu, Yue Zhao, Sunmin Ryu +3
We report variation of the work function for single and bi-layer graphene devices measured by scanning Kelvin probe microscopy (SKPM). Using the electric field effect, the work fun…