期刊
APPLIED PHYSICS LETTERS
卷 112, 期 18, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.5020716
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资金
- National Science Foundation through the Platform for the Accelerated Realization, Analysis, and Discovery of Interface Materials (PARADIM) [DMR-1539918]
- Cornell Center for Materials Research through the MRSEC program [NSF DMR-1120296]
- Cornell Nanoscale Facility [EECS-1542081]
- Air Force Office of Scientific Research [FA9550-16-1-0192]
LaxBa1-xSnO3 is a promising transparent conducting oxide whose high mobility facilitates potential applications in transparent electronics, oxide electronics, and power electronics. Here. we report quantitative comparisons between angle-resolved photoemission and density functional theory, demonstrating a close agreement between calculations and the measured bulk electronic structure. Further measurements reveal upward band bending at the film-vacuum interface, while ultraviolet (UV) exposure is found to increase the surface electron density, similar to other oxides. These results elucidate the LaxBa1-xSnO3 (LBSO) interfacial electronic structure and offer a route for UV carrier density control, critical steps towards realizing LBSO-based electronic devices. Published by AIP Publishing.
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