| 1. | Well width shaft width 井道宽度 |
| 2. | The redshift of the photoluminescence ( pl ) peak with increasing the well width indicates that zncdse / znse and zncdte / znte qw structures were obtained Zncdse znse量子阱材料的pl谱得到了520nm附近较强的发光, rrs谱获得多达3级的共振谱。 |
| 3. | The changing relations between the ground - state energy of the bound polaron in the quantum well and the coulomb bound potential , the electric field strength , and the well width are derived 推导出量子阱中束缚极化子的基态能量和库仑束缚势、电场和阱宽的变化关系。 |
| 4. | The numerical results show that the ground - state energy increases with the increase of the electric field strength and the coulomb bound potential and decreases as the well width increases 数值计算结果表明,基态能量因电场和库仑束缚势的不同而不同,随电场和库仑束缚势的增大而增大,随阱宽的增大而迅速减小。 |
| 5. | Secondly , we use the two - dimensional equivalent potential model to turn the excitons in quantum well into the effective two - dimensional excitons , and calculate the parameters ax and yx versus the quantum well width 然后,我们用二维等效势模型,把阱中激子等效为二维激子,计算得到了参数_ x和_ x随阱宽的变化。 |
| 6. | A finite quantum well can be regarded as three dimension material when the well width approached to infinite or to zero ( the infinite quantum well can be regarded as two - dimension when well width approached to zero ) 对于有限深量子阱来说,当阱宽趋于无穷大和零时都相当于三维情况(无穷深量子阱在阱宽趋于零时是二维情况) 。 |
| 7. | But compared with the present experimental data , our results show fair agreement with them , ( ii ) the correlation energy of charged excitons versus the quantum well width is also basically conformed to the previous results ( 2 )带电激于体系的相关能随阶宽的变化与前人的结果大致相符,其绝对值略低于前人的理论数值,但是曲线的变化趋势保持一致。 |
| 8. | We have measured the optical properties of a serial of ganas quantum well samples with the same n composition but different well width . using the calculation based on the effective mass theory , we prove that the gan00 , 5as0985 / gaas quantum well should have the type - i alignment 我们通过对一系列具有相同n的组分而不同阱宽的样品的光学特性的测试,以及用有效质量理论计算的分析,发现ganas gaas量子阱应该是第一类量子阱。 |
| 9. | In the paper , by fractional - dimension space model , the relationships between system dimensions and wells width in zno / mgzno quantum well will be studied and the exciton dynamics such as wave functions , radial intensity and bohr radius in zno / mgzno with different well width are studied firstly . 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 . then the hexagonal microtube zno films are investigated by capacitance - voltage ( c - v ) measurements and the structure of zno / si were analyzed and modeled 本文利用分数维空间模型,首先研究了zno / mgzno量子阱中系统维度、激子波函数、径向密度和波尔半径随阱宽的变化,从中反映了zno / mgzno量子阱中量子尺寸效应对激子态的影响;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。 |
| 10. | Abstract : we conduct a theoretical study on the properties of a bound polaron in a quantum well under an electric field using linear combination operator and unitary transformation methods , which are valid in the whole range of electron - lo phonon coupling . the changing relations between the ground - state energy of the bound polaron in the quantum well and the coulomb bound potential , the electric field strength , and the well width are derived . the numerical results show that the ground - state energy increases with the increase of the electric field strength and the coulomb bound potential and decreases as the well width increases 文摘:采用线性组合算符及幺正变换方法研究了电场对量子阱弱耦合束缚极化子的性质的影响.推导出量子阱中束缚极化子的基态能量和库仑束缚势、电场和阱宽的变化关系.数值计算结果表明,基态能量因电场和库仑束缚势的不同而不同,随电场和库仑束缚势的增大而增大,随阱宽的增大而迅速减小 |