Electrons, holes, and excitons in GaAs polytype quantum dots

被引：0

作者：

Climente, Juan I. ^{[1
]}

Segarra, Carlos ^{[1
]}

Rajadell, Fernando ^{[1
]}

Planelles, Josep ^{[1
]}

机构：

[1] Departament de Química Física i Analítica, Universitat Jaume i, Castelló,E-12080, Spain

来源：

Journal of Applied Physics | 2016年 / 119卷 / 12期

关键词：

Semiconductor quantum dots - Nanocrystals - Gallium arsenide - Ground state - III-V semiconductors - Polarization - Semiconducting gallium;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

Single and multi-band k×p Hamiltonians for GaAs crystal phase quantum dots are used to assess ongoing experimental activity on the role of such factors as quantum confinement, spontaneous polarization, valence band mixing, and exciton Coulomb interaction. Spontaneous polarization is found to be a dominating term. Together with the control of dot thickness [Vainorius et al., Nano Lett. 15, 2652 (2015)], it enables wide exciton wavelength and lifetime tunability. Several new phenomena are predicted for small diameter dots [Loitsch et al., Adv. Mater. 27, 2195 (2015)], including non-heavy hole ground state, strong hole spin admixture, and a type-II to type-I exciton transition, which can be used to improve the absorption strength and reduce the radiative lifetime of GaAs polytypes. © 2016 AIP Publishing LLC.

引用

共 50 条

[31] EXCITONS IN QUANTUM DOTS
WOGGON, U
GAPONENKO, SV
PHYSICA STATUS SOLIDI B-BASIC SOLID STATE PHYSICS, 1995, 189 (02): : 285 - 343
[32] Wannier-Mott excitons formed by electrons in a quantum wire and holes in a perpendicular quantum layer
Reyes, JA
Coyotécatl, HA
del Castillo-Mussot, M
Cocoletzi, GH
PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES, 2002, 15 (03): : 124 - 130
[33] Coherent spin precession of electrons and excitons in charge tunable InP quantum dots
Masumoto, Yasuaki
Kawana, Keisuke
Tomimoto, Shinichi
PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES, 2010, 42 (10): : 2493 - 2496
[34] Spin noise of electrons and holes in (In,Ga)As quantum dots: Experiment and theory
Glasenapp, Ph.
Smirnov, D. S.
Greilich, A.
Hackmann, J.
Glazov, M. M.
Anders, F. B.
Bayer, M.
PHYSICAL REVIEW B, 2016, 93 (20)
[35] Broadband Cooling Spectra of Hot Electrons and Holes in PbSe Quantum Dots
Spoor, Frank C. M.
Tomic, Stanko
Houtepen, Arjan J.
Siebbeles, Laurens D. A.
ACS NANO, 2017, 11 (06) : 6286 - 6294
[36] Quantization of the electronic spectrum and localization of electrons and holes in silicon quantum dots
V. A. Gritsenko
K. S. Zhuravlev
V. A. Nadolinnyi
Physics of the Solid State, 2011, 53
[37] Quantization of the Electronic Spectrum and Localization of Electrons and Holes in Silicon Quantum Dots
Gritsenko, V. A.
Zhuravlev, K. S.
Nadolinnyi, V. A.
PHYSICS OF THE SOLID STATE, 2011, 53 (04) : 860 - 863
[38] Storage of electrons and holes in self-assembled InAs quantum dots
Bödefeld, MC
Warburton, RJ
Karrai, K
Kotthaus, JP
Medeiros-Ribeiro, G
Petroff, PM
APPLIED PHYSICS LETTERS, 1999, 74 (13) : 1839 - 1841
[39] Exciton Spectroscopy of Spatially Separated Electrons and Holes in the Dielectric Quantum Dots
Pokutnyi, Sergey I.
Kulchin, Yuri N.
Dzyuba, Vladimir P.
Hayrapetyan, David B.
CRYSTALS, 2018, 8 (04):
[40] Spin Noise of Electrons and Holes in Self-Assembled Quantum Dots
Crooker, S. A.
Brandt, J.
Sandfort, C.
Greilich, A.
Yakovlev, D. R.
Reuter, D.
Wieck, A. D.
Bayer, M.
PHYSICAL REVIEW LETTERS, 2010, 104 (03)

← 1 2 3 4 5 →