bound electron-hole pairThe spectral dependence of the absorption coefficient, activation energy of photogeneration and current carrier photogeneration efficiency on the concentration of electron acceptors in the fluorene series in thin films of poly-N-epoxypropylcarbazole were measured. The effective atomic...
The shifted 1/N expansion method is used to solve the effective-mass Hamiltonian for an interacting electron-hole pair in a quantum dot. The ground-state e... El-Said,M - 《Semiconductor Science & Technology》 被引量: 15发表: 1994年 Polaronic exciton in a parabolic quantum dot A calculati...
Towards Bose-Einstein condensation of excitons in potential traps An exciton is an electron-hole bound pair in a semiconductor. In the low-density limit, it is a composite Bose quasi-particle, akin to the hydrogen atom. J... LV Butov,CW Lai,AL Ivanov,... - 《Nature》 被引量: 425发表...
Therefore, the energy of strong exciton absorption peak, which emerges at the position of the highest DOS, is higher than that of PL peak resulted from the electron-hole pair recombination near the band gap. However, this unusual character of large DOS at VBM mainly stems from a Mexican-hat...
In addition, there is a second yellow band present in ZnTe : A1 which is due to donor-acceptor pair recombination with the donors and acceptors identified with Al Zn and V ZnAl Zn respectively. 展开 关键词: Experimental/ aluminium annealing argon cathodoluminescence electron-hole recombination II...
We theoretically study the formation and characteristics of Yu-Shiba-Rusinov bound states within the superconducting gap using a BTK approach in presence of a spin flipper (high spin magnetic impurity). We focus on the zero energy in the conductance spectra and show how a peak is formed at E...
2), recognized as a new 2D-layered material, is gaining enormous research interest due to their exceptional optical and electric properties. The transitional metal dichalcogenide (TMD) is the direct bandgap semiconductor layered medium with a strong exciton response [...
electron attachment, the generation of CO2radical anion (CO2•−), makes its reduction a significant challenge. As a result, the successful operation depends heavily on the viable catalysts that can accelerate the reaction. In most electrolytic, photolytic, and radiolytic processes, metal-based ...
Using the boundary element dual reciprocity method-multi domain (DRM-MD), bound electron states and the corresponding wave functions in semiconductor quantum wires embedded in a matrix were considered. The single circular and rectangular as well as the two near circular quantum wires were analysed. ...
A solid state, electronic, optical transition device includes a multiple-layer structure of semiconductor material which supports substantially ballistic electron/hole transport at energies above/below the conduction/valance band edge. The multiple layer structure of semiconductor material includes a Fabry-Pe...