Γ-X mixing in phosphorus-doped silicon nanocrystals: Improvement of photon generation efficiency

Vladimir A. Belyakov; Vladimir A. Burdov

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Γ-X mixing in phosphorus-doped silicon nanocrystals: Improvement of photon generation efficiency

机译：掺磷硅纳米晶体中的Γ-X混合：提高光子产生效率

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It has been shown theoretically that the central-cell potential of phosphorus ion(s) embedded in a silicon nanocrystal effectively mixes electronic states of X and Γ bands. Such a mixing, enhanced by the quantum confinement effect, straightens the nanocrystal band structure and substantially intensifies interband radiative recombination. We have found that it is possible to manipulate the radiative decay rate by varying phosphorus concentration in the nanocrystal.

机译：从理论上证明，嵌入硅纳米晶体中的磷离子的中心细胞电势有效地混合了X和Γ带的电子态。通过量子限制效应增强的这种混合使纳米晶带结构变直并且实质上增强了带间辐射复合。我们已经发现可以通过改变纳米晶体中的磷浓度来控制辐射衰减率。

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来源
《Physical review》 |2009年第4期|035302.1-035302.9|共9页
作者
Vladimir A. Belyakov; Vladimir A. Burdov;
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作者单位

Department of Theoretical Physics, University of Nizhniy Novgorod, Nizhniy Novgorod 603950, Russia;

Department of Theoretical Physics, University of Nizhniy Novgorod, Nizhniy Novgorod 603950, Russia;

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正文语种 eng
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关键词
quantum dots; impurity and defect levels; energy states of adsorbed species; elemental semiconductors;

机译：量子点;杂质和缺陷水平;吸附物质的能量状态;元素半导体;

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专利

1. Improvement of the photon generation efficiency in phosphorus-doped silicon nanocrystals: Gamma-X mixing of the confined electron states [J] . Belyakov VA, Belov AI, Mikhaylov AN, Journal of Physics. Condensed Matter . 2009,第4期

机译：掺磷硅纳米晶体中光子产生效率的提高：受限电子态的Gamma-X混合
2. Ultra-high four wave mixing efficiency in slot waveguides with silicon nanocrystals [J] . A. Trita, C. Lacava, P. Minzioni, Applied Physics Letters . 2011,第19期

机译：硅纳米晶体缝隙波导中的超高四波混合效率
3. Increase in the lifetime of a photon and in the efficiency of raman scattering and second-harmonic generation processes in porous silicon carbide [J] . Golovan L. A., Sokolov A. A., Timoshenko V. Yu., JETP Letters . 2015,第12期

机译：增加多孔碳化硅中光子的寿命以及拉曼散射和二次谐波产生过程的效率
4. Four-wave-mixing efficiency and conversion bandwidth in silicon-nanocrystals slot waveguides fabricated by PECVD [C] . Trita A., Lacava C., Cristiani I., 2011 Conference on Lasers and Electro-Optics Europe and 12th European Quantum Electronics Conference . 2011

机译：PECVD法制备的硅纳米晶缝隙波导中的四波混频效率和转换带宽
5. Determination of an Analytical Relationship between Entropy Generation and Mixing Efficiency for Micromixer Applications. [D] . Gillispie, Aric Martin. 2017

机译：确定微混合器应用中的熵产生与混合效率之间的分析关系。
6. Bright long-lived luminescence of silicon nanocrystals sensitized by two-photon absorbing antenna [O] . Luca Ravotto, Qi Chen, Yuguo Ma, -1

机译：双光子吸收天线敏化的硅纳米晶的明亮长寿命发光
7. Ultra-high four wave mixing efficiency in slot waveguides with silicon nanocrystals [O] . Trita, A., Lacava, C., Minzioni, P., 2011

机译：具有硅纳米晶体的槽式波导中的超高四波混频效率
8. Effect of the Coherent Cancellation of the Two-Photon Resonance on the Generation of Vacuum Ultraviolet Light by Two-Photon Reasonantly Enhanced Four-Wave Mixing [R] . Payne, M. G. , Garrett, W. R. , Judish, J. P. , 1988

机译：双光子相干消除对双光子合理增强四波混频产生真空紫外光的影响

Γ-X mixing in phosphorus-doped silicon nanocrystals: Improvement of photon generation efficiency

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