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Parallel Stitching of Two-Dimensional Materials
Xi Ling, Yuxuan Lin, Qiong Ma +16
Diverse parallel stitched two-dimensional heterostructures are synthesized, including metal-semiconductor (graphene-MoS2), semiconductor-semiconductor (WS2-MoS2), and insulator-sem…
Canonical Quantization of Crystal Dislocation and Electron-Dislocation Scattering in an Isotropic Medium
Mingda Li, Wenping Cui, M. S. Dresselhaus +1
Crystal dislocations govern the plastic mechanical properties of materials but also affect the electrical and optical properties. However, a fundamental and quantitative quantum-me…
Ab initio optimization of phonon drag effect for lower-temperature thermoelectric energy conversion
Jiawei Zhou, Bolin Liao, Bo Qiu +4
While the thermoelectric figure of merit zT above 300K has seen significant improvement recently, the progress at lower temperatures has been slow, mainly limited by the relatively…
Diameter dependence of thermoelectric power of semiconducting carbon nanotubes
Nguyen T. Hung, Ahmad R. T. Nugraha, Eddwi H. Hasdeo +2
We calculate the thermoelectric power (or thermopower) of many semiconducting single wall carbon nanotubes (s-SWNTs) within a diameter range 0.5-1.5 nm by using the Boltzmann trans…
Resonant Tunneling and Intrinsic Bistability in Twisted Graphene Structures
Joaquin F. Rodriguez-Nieva, Mildred S. Dresselhaus, Leonid S. Levitov
We predict that vertical transport in heterostructures formed by twisted graphene layers can exhibit a unique bistability mechanism. Intrinsically bistable - characteristics…
Enhanced thermionic-dominated photoresponse in graphene Schottky junctions
Joaquin F. Rodriguez-Nieva, Mildred S. Dresselhaus, Justin C. W. Song
Vertical heterostructures of van der Waals materials enable new pathways to tune charge and energy transport characteristics in nanoscale systems. We propose that graphene Schottky…