Observation of biexciton emission in ZnO/ZnMgO multi-quantum wells

Sun HD.; Segawa Y.; Makino T.; Chia CH.; Kawasaki M.; Ohtomo A.; Tamura K. Koinuma H.

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Observation of biexciton emission in ZnO/ZnMgO multi-quantum wells

机译：ZnO / ZnMgO多量子阱中双激子发射的观察

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We report on the experimental observation of the radiative recombination of localized biexcitons at low temperature (5 K) in ZnO/ZnMgO multi-quantum wells grown by laser-molecular-beam epitaxy on a lattice-matched ScAlMgO4 substrate (0001). The emission components due to the recombinations of localized excitons and biexcitons and due to the exciton-exciton scattering were verified by examining their relative energy positions and intensity dependence on excitation power density. The excitation threshold for biexciton emission was significantly lower than that for exciton-exciton scattering. The binding energy of biexcitons in multi-quantum wells is largely enhanced compared with the corresponding value of bulk ZnO. [References: 14]

机译：我们报告了在晶格匹配的ScAlMgO4衬底（0001）上通过激光分子束外延生长的ZnO / ZnMgO多量子阱中低温（5 K）下局部双激子辐射重组的实验观察。通过检查它们的相对能量位置和强度与激发功率密度的关系，验证了由于局部激子和双激子复合以及激子-激子散射引起的发射分量。双激子发射的激发阈值明显低于激子-激子散射的激发阈值。与相应的块状ZnO值相比，双激子在多量子阱中的结合能大大提高。 [参考：14]

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《Physica status solidi, B. Basic research》 |2002年第2期|共4页
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Sun HD.; Segawa Y.; Makino T.; Chia CH.; Kawasaki M.; Ohtomo A.; Tamura K. Koinuma H.;
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中图分类固体物理学;
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1. Observation of biexciton emission in ZnO/ZnMgO multi-quantum wells [J] . Sun HD., Segawa Y., Makino T., Physica status solidi, B. Basic research . 2002,第2期

机译：ZnO / ZnMgO多量子阱中双激子发射的观察
2. Coreshell multi-quantum wells in ZnO/ZnMgO nanowires with high optical efficiency at room temperature [J] . Thierry R., Perillat-Merceroz G., Jouneau P.H., Nanotechnology . 2012,第8期

机译：ZnO / ZnMgO纳米线中的核壳多量子阱在室温下具有高光学效率
3. Structure and optical properties of ZnO/ZnMgO multi-quantum wells grown on Si(111) substrates [J] . X.Q. Gu, L.P. Zhu, Z.Z. Ye, Superlattices and microstructures . 2008,第2期

机译：Si（111）衬底上生长的ZnO / ZnMgO多量子阱的结构和光学性质
4. Observation of optical near-field energy transfer in closely spaced ZnO/ZnMgO multiple-quantum-well nanorods for nanophotonic devices [C] . T. Yatsui, J. Lim, T. Kawazoe, Conference on Lasers and Electro-Optics . 2004

机译：密切间隔ZnO / ZnMo孔纳米棒的光学近场能量传递观察纳米光电装置
5. The effects of residual gases on the field emission properties of ZnO, GaN, ZnS nanostructures, and the effects of light on the resistivity of graphene. [D] . Mo, Yudong. 2014

机译：残留气体对ZnO，GaN，ZnS纳米结构的场发射特性的影响，以及光对石墨烯电阻率的影响。
6. The modulation of grain boundary barrier in ZnMgO/ZnO heterostructure by surface polar liquid [O] . Xu Ji, Yuan Zhu, Mingming Chen, -1

机译：表面极性液体对ZnMgO / ZnO异质结构中晶界势垒的调节
7. Trions and biexcitons in ZnO/ZnMgO, CdSe/ZnS and CdSe/CdS core/shell nanowires [O] . R.Ya. Kezerashvili, Z.S. Machavariani, B. Beradze, 2019

机译：ZnO / ZnMGO，CDSE / ZNS和CDSE / CDS核心/壳纳米线中的枝条和Biexcitons
8. High-Mobility Two-Dimensional Electron Gases at ZnO/ZnMgO Interfaces for Ultra-Fast Electronics Applications. [R] . Warburton, P. 2014

机译：用于超快速电子应用的ZnO / ZnmgO界面的高迁移率二维电子气体。

Observation of biexciton emission in ZnO/ZnMgO multi-quantum wells

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