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北京大学 物理学院
收稿:2010-05-24,
修回:2010-7-20,
网络首发:2010-11-22,
纸质出版:2010-11-22
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邢兵, 曹文彧, 杜为民. 不同In含量InGaN/GaN量子阱材料的变温PL谱[J]. 发光学报, 2010,31(6): 864-869
XING Bing, CAO Wen-yu, DU Wei-min. Temperature-dependent PL of InGaN/GaN Multiple Quantum Wells with Variable Content of In[J]. Chinese Journal of Luminescence, 2010,31(6): 864-869
通过对不同In含量的InGaN/GaN量子阱材料的变温光致发光(PL)谱进行实验分析
得出样品激活能和PL谱峰值能量随温度变化的S形曲线中拐点温度与In含量的关系。说明对于我们的样品
这种S形曲线并不是来源于量子限制Stark效应(QCSE)
而是与量子阱中In团簇有关。对比结果表明
含In量越多的材料其局域的能量越大
由热扰动脱离局域所需要的温度越高。
paper
Nakamura S, Senoh M, Iwasa N, et al. Superbright green InGaN single quantum well structure light-emitting diodes [J]. Jpn. J. Appl. Phys. B, 1994, 34 (10):L1332-L1335.[2] Chichibu S, Azuhata T, Sota T, et al. Spontaneous emission of localized excitons in InGaN single and multiquantum well structures [J]. Appl. Phys. Lett., 1996, 69 (27):4187-4189.[3] Chichibu S F, Azuhata T, Sota T, et al. Localized quantum well excitons in InGaN single-quantum-well amber light-emitting diodes [J]. Appl. Phys. Lett., 2001, 79 (3):341-343.[4] Zheng Dayu. Characterization and analysis on optics character of semiconductor luminescence material . Yantai: Yantai University, 2005.[5] Son J H, Lee J L. Strain engineering for the solution of efficiency droop in InGaN/GaN light-emitting diodes [J]. Optics Express, 2010, 18 (6):5466-5469.[6] Im J S, Kollmer H, Off J, et al. Reduction of oscillator strength due to piezoelectric fields in GaN/AlGaN quantum wells [J]. Phys. Rev. B, 1997, 57 (16):9435-9438.[7] Cheong M G, Liu C, Choi H W, et al. Study of the origin of luminescence in high indium composition InGaN/GaN quantum wells [J]. J. Appl. Phys., 2003, 93 (8):4691-4695.[8] Morel A, Lefebvre P, Kalliakos S, et al. Donor-acceptor-like behavior of electron-hole pair recombinations in low-dimensional GaInN/GaN systems [J]. Phys. Rev. B, 2003, 68 (4):045331-1-7.[9] ODonnell K P, Martin R W, Middleton P G. Origin of luminescence from InGaN diodes [J]. Phys. Rev. Lett., 1999, 82 (1):237-240.[10] Humphreys C J. Does In form In-rich clusters in InGaN quantum wells? [J]. Philosophical Magazine, 2007, 87 (13):1971-1982.[11] Weber S, Limmer W, Thonke K, et al. Thermal carrier emission from a semiconductor quantum well [J]. Phys. Rev. B, 1995, 52 (20):14739-14742.[12] Narukawa Y, Kawakami Y, Fujita S, et al. Dimensionality of excitons in laser-diode structures composed of InxGa1-xN multiple quantum wells [J]. Phys. Rev. B, 1999, 59 (15):10283-10288.[13] Bimberg D, Sondergeld M. Thermal dissociation of excitons bounds to neutral acceptors in high-purity GaAs [J]. Phys. Rev. B, 1971, 4 (10):3451-3455.[14] Nakamura S. The blue laser diode: GaN based light emitters and lasers [J]. Mater. Sci. Eng. B, 1997, 50 (20):272-279.[15] Cao X A, LeBoeuf S F, Rowland L B. Temperature-dependent emission intensity and energy shift in InGaN/GaN multiple-quantum-well light-emitting diodes [J]. Appl. Phys. Lett., 2003, 82 (21):3614-3616.[16] Hurst P, Dawson P, Levetas S A. Temperature dependent optical properties of InGaN/GaN quantum well structures [J]. Phys. Stat. Sol. (b), 2001, 228 (1):137-140.[17] Jeong Y H. A comparative study of the internal quantum efficiency for the green MQWs grown on sapphire and FS-GaN substrates [J]. Phys. Stat. Sol. (c), 2007, 4 (1):187-191.[18] Cho Y H, Gainer G H, Fischer A J, et al. S-shaped temperature dependent emission shift and carrier dynamics in InGaN/GaN multiple quantum wells [J]. Appl. Phys. Lett., 1998, 73 (10):1370-1372.[19] Maruska H P, Tietjen J J. The preparation and properties of vapor-deposited single crystalline GaN [J]. Appl. Phys. Lett., 1969, l5 (1):327-339.[20] Wu J, Walukiewicz W, Yu K M, et al. Unusual properties of the fundamental band gap of InN [J]. Appl. Phys. Lett., 2002, 80 (21):3967-3969.
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