Optical Properties of Dilute Nitride InN(As)Sb Quantum Wells and Quantum Dots Grown by Molecular Beam Epitaxy

被引:5
|
作者
Kim, S. M. [1 ,2 ]
Yuen, H. B. [1 ]
Hatami, F. [1 ]
Chin, A. [3 ]
Harris, J. S. [1 ]
机构
[1] Stanford Univ, Dept Elect Engn, Solid State & Photon Lab, Stanford, CA 94305 USA
[2] Univ Alabama, Dept Elect & Comp Engn, Tuscaloosa, AL 35487 USA
[3] NASA, Ames Res Ctr, Moffett Field, CA 94035 USA
关键词
Infrared; narrow bandgap; quantum dots; quantum wells; molecular beam epitaxy;
D O I
10.1007/s11664-008-0472-x
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
We report the growth and characterization of a new dilute nitride infrared material: InN(As)Sb. InNAsSb single quantum wells (SQWs) and InNSb self-assembled quantum dots (QDs) were grown on both InAs and GaAs substrates by solid-source molecular beam epitaxy. High-quality InNAsSb epilayers were realized by optimizing the nitrogen incorporation growth conditions. Both secondary-ion mass spectroscopy and x-ray diffraction measurements confirmed a nitrogen incorporation of 1%. Temperature- and power-dependent photoluminescence measurements were conducted and revealed a luminescence emission at 4.03 mu m from localized states and similar to 4.3 mu m from the ground-state transition in InNAsSb SQWs. InNSb QDs exhibited a 10 K photoluminescence peak at 3.6 mu m.
引用
收藏
页码:1774 / 1779
页数:6
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