Broadening of Photoluminescence by Nonhomogeneous Size Distribution of Self-Assembled InAs Quantum Dots

摘要
图/表
参考文献
相关文章 (15)

全文: PDF (529 KB) HTML (0 KB)
输出: BibTeX | EndNote (RIS)

摘要 The photoluminescence spectrum (PL) of InAs quantum dots (QDs) at 80K is studied by comparison between the theoretical calculation and experimental measurement. The Gaussian line shape is used to approximate the size distribution of QDs. Its mean volume and the standard size deviation are well correlated with the peak and full width at half maximum (FWHM) of the PL spectrum. The experimental PL spectrum is well reproduced by the theoretical model based on the effect mass approximation including the size distribution without any adjustable parameters. Compared with the standard size deviation value σ_s=9×10^-2 determined by atomic force microscopic method a small value σ_s=7×10^-2 is obtained by the best fitting process from the measured and calculated PL spectra

	服务

	把本文推荐给朋友
	加入我的书架
	加入引用管理器
	E-mail Alert
	RSS
	作者相关文章
	YANG Xi-Feng
	LIU Zhao-Lin
	CHEN Ping-Ping
	CHEN Xiao-Shuang
	LI Tian-Xin
	LU Wei

Abstract：The photoluminescence spectrum (PL) of InAs quantum dots (QDs) at 80K is studied by comparison between the theoretical calculation and experimental measurement. The Gaussian line shape is used to approximate the size distribution of QDs. Its mean volume and the standard size deviation are well correlated with the peak and full width at half maximum (FWHM) of the PL spectrum. The experimental PL spectrum is well reproduced by the theoretical model based on the effect mass approximation including the size distribution without any adjustable parameters. Compared with the standard size deviation value σ_s=9×10^-2 determined by atomic force microscopic method a small value σ_s=7×10^-2 is obtained by the best fitting process from the measured and calculated PL spectra

Key words： 78.67.Hc 73.21.La 73.22.-f 71.15.-m

收稿日期: 2008-04-10 出版日期: 2008-07-25

:	78.67.Hc	(Quantum dots)
	73.21.La	(Quantum dots)
	73.22.-f	(Electronic structure of nanoscale materials and related systems)
	71.15.-m	(Methods of electronic structure calculations)

引用本文:

YANG Xi-Feng;LIU Zhao-Lin;CHEN Ping-Ping;CHEN Xiao-Shuang;LI Tian-Xin;LU Wei. Broadening of Photoluminescence by Nonhomogeneous Size Distribution of Self-Assembled InAs Quantum Dots[J]. 中国物理快报, 2008, 25(8): 3059-3062.
YANG Xi-Feng, LIU Zhao-Lin, CHEN Ping-Ping, CHEN Xiao-Shuang, LI Tian-Xin, LU Wei. Broadening of Photoluminescence by Nonhomogeneous Size Distribution of Self-Assembled InAs Quantum Dots. Chin. Phys. Lett., 2008, 25(8): 3059-3062.

链接本文:

https://cpl.iphy.ac.cn/CN/ 或 https://cpl.iphy.ac.cn/CN/Y2008/V25/I8/3059

[1]	. [J]. 中国物理快报, 2017, 34(1): 17303-017303.
[2]	. [J]. 中国物理快报, 2016, 33(12): 124204-124204.
[3]	. [J]. 中国物理快报, 2016, 33(01): 14204-014204.
[4]	. [J]. 中国物理快报, 2015, 32(12): 124204-124204.
[5]	. [J]. 中国物理快报, 2015, 32(10): 107804-107804.
[6]	. [J]. 中国物理快报, 2015, 32(09): 97802-097802.
[7]	. [J]. 中国物理快报, 2015, 32(07): 77804-077804.
[8]	. [J]. 中国物理快报, 2015, 32(5): 58104-058104.
[9]	. [J]. 中国物理快报, 2015, 32(01): 14208-014208.
[10]	. [J]. 中国物理快报, 2014, 31(05): 57801-057801.
[11]	. [J]. 中国物理快报, 2013, 30(11): 114205-114205.
[12]	. [J]. 中国物理快报, 2013, 30(11): 118102-118102.
[13]	. [J]. 中国物理快报, 2013, 30(10): 107801-107801.
[14]	. [J]. 中国物理快报, 2013, 30(8): 87804-087804.
[15]	. [J]. 中国物理快报, 2013, 30(6): 68101-068101.