Publications (6)
Emergence of a new band and the Lifshitz transition in kagome metal ScVSn with charge density wave
Seoung-Hun Kang, Haoxiang Li, William R. Meier +10
Topological kagome systems have been a topic of great interest in condensed matter physics due totheir unique electronic properties. The vanadium-based kagome materials are particu…
Experimental Observation of Incoherent-Coherent Crossover and Orbital Dependent Band Renormalization in Iron Chalcogenide Superconductors
Zhongkai Liu, Ming Yi, Yan Zhang +13
The level of electronic correlation has been one of the key questions in understanding the nature of superconductivity. Among the iron-based superconductors, the iron chalcogenide…
Atomically Precise Electron Beam Sculpting of Bilayer h-BN: The Role of Crystallographic Orientation and Milling Strategy
Ondrej Dyck, Andrew R. Lupini, Ivan Vlassiouk +3
Achieving atomic precision in top-down manufacturing remains a fundamental challenge nanofabrication technology. Here, the focused electron beam of a scanning transmission electron…
Design and realization of Ohmic and Schottky interfaces for oxide electronics
Jie Zhang, Yun-Yi Pai, Jason Lapano +8
Understanding band alignment and charge transfer at complex oxide interfaces is critical to tailoring and utilizing their diverse functionality. Towards this goal, we design and ex…
Direct observation of the transition from indirect to direct bandgap in atomically thin epitaxial MoSe2
Yi Zhang, Tay-Rong Chang, Bo Zhou +13
Quantum systems in confined geometries are host to novel physical phenomena. Examples include quantum Hall systems in semiconductors and Dirac electrons in graphene. Interest in su…
Observation of universal strong orbital-dependent correlation effects in iron chalcogenides
Ming Yi, Zhongkai Liu, Yan Zhang +19
Establishing the appropriate theoretical framework for unconventional superconductivity in the iron-based materials requires correct understanding of both the electron correlation…