激子吸收

观察到轻、重空穴对应的激子吸收峰（LH和HH）及台阶状态密度。

The exciton absorption resonaces ( HH and LH ) and step accumu-tive density Of state have been observed .

在有机配位溶剂中制备了具有明显的激子吸收峰和较强的带边荧光峰的尺寸单分散纳米CdSe超微粒。

Monodispersion CdSe nanocrystalline with obvious exciton absorption peak and stronger band-edge photoluminescence were prepared in organic coordinating solvent .

GaAs激子吸收的微微秒光谱

Picosecond absorption spectra of excitons in GaAs

紫外-可见吸收光谱表明，随着Mg含量的增加带隙变宽，自由激子吸收峰明显蓝移。

The UV-Vis absorption spectra showed that the band gap energy increased and the exciton peak had an obvious blue-shift with increasing Mg content .

观测到了纵光学波（LO）声子吸收峰与自由激子吸收峰；

The absorption of the longitudinal optical ( LO ) phonons and the free-excitons was observed at room temperature .

而比较ZnO纳米球和Ce掺杂ZnO纳米球的紫外-可见吸收光谱则未发现掺杂样品的激子吸收峰有明显红移。

In comparison Ce-doped ZnO nanoparticles and ZnO nanoparticles by UV - visible absorption spectra , we do not find that exciton absorption peak has significantly red-shifted in adulterated samples .

本文还把计算所得的Stark移动与从激子吸收光谱曲线中得到的实验数据进行了比较，当阱宽等于9nm、电场为100kV/cm时，两者符合得较好。

Comparison of the calculated Stark shift with the experimental value obtained from the absorption line shape showed good agreement when well width was about 9 nm and the electric field was about 100 kV / cm .

对掺F薄膜进行了Uv-Vis测试和变温的Ⅰ-Ⅴ测试，发现薄膜中存在着本征吸收和激子吸收两种吸收机制，并得到了该低k材料MOS结构样品的能带结构示意图。

Uv-Vis test and temperature-change I-V test on F doped silica film , shows that there are intrinsic adsorption and exciton adsorption existed in the film . The energy band structure diagrammatic sketch of the low k material in MOS structure was obtained .

在高质量氧化锌薄膜中室温下观察到了强的激子吸收，在发光谱中，得到了半高宽为90meV的强的自由激子发射。

A strong excitonic effect on ZnO thin films at room temperature is observed in optical absorption spectra . An excellent free exciton emission with a narrow FWHM of 90 meV is obtained .

多量子阱光开关器件的激子吸收及光调制特性

The Exciton Absorption and Light Modulation Characteristics of MQW Light Switch Devices

并使激子吸收峰从红外波段进入可见光波段。

And it makes the absorption peak of the exciton move to higher energy .

通过透射谱分析观察到了典型的激子吸收线。

A type excition absorption line of ZnO was observed from optical transmission spectra .

自洽变分计算表明，在外电场中激子吸收峰发生了兰移现象。说明激子在外电场中的行为是电致变色的产生机制之一。

The results showed : an applying field resulted in a blue shift of the exciton absorption .

研究了一种包含稀磁半导体材料的三对称耦合量子阱在磁场下的带间激子吸收行为。

The excitonic spectrum of a symmetric triple-coupled-quantum-well containing a diluted magnetic semiconductor layer under magnetic fields is studied .

在直流和太赫兹场作用下，由于量子约束斯塔克效应，光吸收谱呈现出多个激子吸收峰。

It is shown that the electric field produces multiple absorption peaks which come from the quantum confined Stark effect .

在不同径向电场下的纳米环耦合量子阱的激子吸收行为与普通方量子阱的激子吸收谱类似。

The variations of excitonic spectrum with different radial electric fields are similar to those of square coupled-double quantum well .

在较低磁场下，其引入的限制势对激子吸收谱的主要特性的影响可以忽略。

At low magnetic field , the effects of magnetic-field-induced confining potential on the main features of the excitonic spectra are negligible .

结果表明磁场可以有效的调节激子吸收谱和量子阱间的耦合；

The numerical results show that the magnetic field can be used to adjust the excitonic spectra and the coupling behaviors of the quantum wells effectively .

这种方法除能得到折射率实部与虚部的色散关系外，还可得到激子共振吸收谱。

By this way , we can obtain not only the dispersion relation of the real and imaginary part of the refractive index , but also the resonant excitonic absorption spectrum .

在438cm-1附近观察到了喇曼谱特征峰；透射光谱揭示了激子的吸收特征和掺杂样品的吸收边向短波方向移动；

ZnO films give rise to characteristic Raman bands at about 438 cm-1.The transmission spectra reveals a characteristic absorption of excitons and a shift of the absorption edge for the doped ZnO films towards short wavelength .

固体中的激子及其对吸收边光谱的影响

The exciton of the crystal and influence on the absorption edge

其次计算和仿真得到六棱微管ZnO薄膜的系统维度、激子波函数及吸收谱，讨论了微管壁厚对激子的限制情况。

Secondly , the system dimension , exciton wave functions and absorption spectrum in hexagonal microtube ZnO film were calculated and simulated , and the confinement of microtube is discussed .

最后考虑量子点激子态对非线性吸收/增益的影响。

At last , the nonlinear absorption / gain has been discussed at the presence of exciton and biexciton .

研究表明，太赫兹场与激子相互作用使激子吸收谱出现卫星峰结构。

The results indicate that the satellite peaks show up due to the interaction between the exciton and THz field .

这种电池利用“激子能量”来供电，激子即电子充分吸收带电光子的状态。

The battery works by harnessing the power of " excitonic energy " - the state in which an electron absorbs sufficiently charged photons of light .

其中一部分激子与自由载流子发生耦合形成带电激子，引起光吸收谱的卫星峰数目增加。

There exist charged exciton due to the coupling between excitons with free carriers , which induce the increasing of the satellite peaks .

我们从激子与光波场相互作用和腔中模函数的分布建立了计算.激子先吸收的模型，文中给出的微腔结构的数值计算表明激子的吸收增强与实验结果相一致；

A model of the interaction of excitons and optical wave interaction and mode function distribution is built to describe the enhancement . The calculation using the model shows the consistence of calculated enhancement of exciton absorption with the experimental result .