Layer-dependent exciton polarizability and the brightening of dark excitons in few-layer black phosphorus Article Open access 01 September 2023 The band-edge excitons observed in few-layer NiPS3 Article Open access 05 January 2021 A common optical approach to thickness optimization in polymer an...
Band-edge excitons of few-layer nickel phosphorous trisulfide (NiPS) are characterized via micro-thermal-modulated reflectance (μTR) measurements from 10 to 300K. Prominent μTR features of the A exciton series and B are simultaneously detected near the band edge of NiPS. The A exciton series ...
In this report, the band-edge exciton fine structure and in particular its exciton and biexciton dynamics in high quality crystals of (PEA)2PbI4 are investigated. A comparison of bulk and surface exciton lifetimes yields a room temperature surface recombination velocity of 2x10^3cm/s and an ...
Define Band width. Band width synonyms, Band width pronunciation, Band width translation, English dictionary definition of Band width. the range of frequencies or the measured amount of information that can be transmitted over a connection; also used as
is the exciton Bohr radius. The -2/ρ term in the right-hand side of Eq. (7.3) represents the Coulomb potential [99,100]. The value of μ is found by rendering minimum the expectation value of Hρ calculated over the trial wave function of the exciton given by [101] ϕ(ρ,λ,σ...
The dominant free exciton emission observed in the PL spectra confirms the high quality of the sprayed ZnO layers.[IMAGE]doi:10.1007/s13391-014-3361-xThakur, VikasVerma, Udai PratapPoolla, RajaramThe Korean Institute of Metals and MaterialsElectronic Materials Letters...
An electron in the conduction-band s-shell (with the occupation probability fse) can be present without any other electrons or holes, or with the corresponding s-shell hole forming an optically active exciton (1Xs in Fig. 3.2), or in the presence of two opposite-spin s-shell holes ...
This feature can be explained by the existence of both localized and delocalized excitons in a disordered potential and suggests the existence of an exciton... A Singh,G Moody,K Tran,... - 《Physical Review B》 被引量: 33发表: 2015年 The decay of localized states into delocalized band st...
We present a theoretical analysis of the band-edge exciton structure in nanometer-size crystallites of direct semiconductors with a cubic lattice structure or a hexagonal lattice structure which can be described within the framework of a quasicubic model. The lowest energy exciton, eightfold ...
In solution, CdSe quantum dot exciton recombination is composed of an intrinsic band edge exciton decay and a photoinduced charged exciton, which produces ... A Javier,D Magana,T Jennings,... - 《Applied Physics Letters》 被引量: 115发表: 2003年 Cavity-polariton dispersion and polarization spli...