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Adsorption-controlled growth of La-doped BaSnO3 by molecular-beam epitaxy
Hanjong Paik, Zhen Chen, Edward Lochocki +14
Epitaxial La doped BaSnO3 films were grown in an adsorption controlled regime by molecular beam epitaxy, where the excess volatile SnOx desorbs from the film surface. A film grown…
Tailoring Semiconductor Lateral Multi-junctions for Giant Photoconductivity Enhancement
Yutsung Tsai, Zhaodong Chu, Yimo Han +9
Semiconductor heterostructures have played a critical role as the enabler for new science and technology. The emergence of transition metal dichalcogenides (TMDs) as atomically thi…
Coherent Atomically-Thin Superlattices with Engineered Strain
Saien Xie, Lijie Tu, Yimo Han +7
Epitaxy forms the basis of modern electronics and optoelectronics. We report coherent atomically-thin superlattices, in which different transition metal dichalcogenide monolayers--…
Sub-Nanometer Channels Embedded in Two-Dimensional Materials
Yimo Han, Ming-Yang Li, Gang-Seob Jung +5
Two-dimensional (2D) materials are among the most promising candidates for next-generation electronics due to their atomic thinness, allowing for flexible transparent electronics a…
Observation of oscillatory relaxation in the Sn-terminated surface of epitaxial rock-salt SnSe topological crystalline insulator
Wencan Jin, Suresh Vishwanath, Jianpeng Liu +20
Topological crystalline insulators have been recently predicted and observed in rock-salt structure SnSe thin films. Previous studies have suggested that the Se-terminate…