VBM，即Valence Band Maximum，指的是价带顶。在固体物理中，价带顶这一概念对于理解固体材料的电子结构至关重要。价带顶是指价带能量的最大值，这一概念在解释固体的导电性质、半导体特性、以及光响应等方面都具有重要意义。价带和导带是能带理论中的两个基本概念。价带是所有可能的电子能级中，能量最低的...
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In lead–halide perovskites, antibonding states at the valence band maximum (VBM)—the result of Pb 6s-I 5pcoupling—enable defect-tolerant properties; however, questions surrounding stability, and a reliance on lead, remain challenges for perovskite solar cells. Here, we report that binary GeSe ...
Upon different stages of growth, the valence band maximum can thus be traced during the build up of the interface giving an accurate value for the valence band offset of this heterojunction.doi:10.1016/S0169-4332(00)00433-5C. KreisM. Traving...
These include surface potentials, CNL (see Chapter “CNL Positions”), position of the Fermi energy (EF), conduction band minimum (CBM), valence band maximum (VBM), dipole shifts, and doping levels (see Chapter “The Band Diagrams”). This analysis results in accurate energy positions which ...
The valence band maximum (VBM) is an important quantity for semiconductors as it locates the Fermi level relative to the band edge. Accurate measurement of this quantity in near-surface regions of semiconductors by photoemission is a first step toward determining the electronic properties of ...
2b is a strongly dispersing band spanning from the valence band maximum at E − EF ≈ −1.1 eV down to ≈ −3.8 eV. This band crosses through the px,y-derived states in the vicinity of the VBM. We attribute this band to be of Se pz derivation, with enhanced ...
W-N-TiO2 with positive enough level of valence band maximum and narrowing bandgap for selective aerobic oxidation in visible light irradiation... M Zou,L Feng,Z Bingxue,... - 《Nanotechnology》 被引量: 0发表: 2017年 Selective Formation of Imines by Aerobic Photocatalytic Oxidation of Amines on...
We address the issue of accurate determination of the valence band maximum (VBM) for SrTiO3(001) single crystals and epitaxial films, as well as TiO2(001) ... SA Chambers,TC Droubay,TC Kaspar,... - 《Journal of Vacuum Science & Technology B Microelectronics & Nanometer Structures Processing...
Atomically thin GaSe has been predicted to have a non-parabolic, Mexican hat-like valence band structure due to the shift of the valence band maximum (VBM) near the Γ point which is expected to give rise to novel, unique properties such as tunable magnetism, high effective mass suppressing ...