本文应用非傍轴矢量矩理论 ,分析了 6 70 nm Al Ga In P/Ga In P分别限制应变单量子阱 (SCH S-SQW)激光器在弱激射和正常激射条件下的垂直于结面方向的光束质量因子 M2⊥ 。分析结果表明 ,在两种情况下 ,M2⊥ 均小于 1,而且前者具有更小...本文应用非傍轴矢量矩理论 ,分析了 6 70 nm Al Ga In P/Ga In P分别限制应变单量子阱 (SCH S-SQW)激光器在弱激射和正常激射条件下的垂直于结面方向的光束质量因子 M2⊥ 。分析结果表明 ,在两种情况下 ,M2⊥ 均小于 1,而且前者具有更小的 M2⊥ 。展开更多
Recently, the superlattice (quantum well) material as a new kind of photoelectrode has drawn much attention in the field of photoelectrochemistry.Due to the energy quantization,the superlattices (quantum well) have a ...Recently, the superlattice (quantum well) material as a new kind of photoelectrode has drawn much attention in the field of photoelectrochemistry.Due to the energy quantization,the superlattices (quantum well) have a number of new展开更多
Single quantum wells(SQWs)of GaAs/Al_xGa_(1-x)As have been investigated as photoelectrodes in photoelectrochemical cells.Structured photocurrent spectra for well widths of 50 and 100 SQWs were obtained in nonaqueous s...Single quantum wells(SQWs)of GaAs/Al_xGa_(1-x)As have been investigated as photoelectrodes in photoelectrochemical cells.Structured photocurrent spectra for well widths of 50 and 100 SQWs were obtained in nonaqueous solution.The dependence of structured photocurrent spectra on electrode potential were exhibited.The quantum yield was higher in SQW with 100 well compared to 50 well.展开更多
基金Project supported by the National Natural Science Foundation of China.
文摘Recently, the superlattice (quantum well) material as a new kind of photoelectrode has drawn much attention in the field of photoelectrochemistry.Due to the energy quantization,the superlattices (quantum well) have a number of new
基金This work was supported by the National Natural Science Foundation of China.
文摘Single quantum wells(SQWs)of GaAs/Al_xGa_(1-x)As have been investigated as photoelectrodes in photoelectrochemical cells.Structured photocurrent spectra for well widths of 50 and 100 SQWs were obtained in nonaqueous solution.The dependence of structured photocurrent spectra on electrode potential were exhibited.The quantum yield was higher in SQW with 100 well compared to 50 well.
