HgCdTe反型层的磁输运性质

高矿红; 魏来明; 俞国林; 杨睿; 林铁; 魏彦锋; 杨建荣; 孙雷; 戴宁; 褚君浩

doi:10.7498/aps.61.027301

摘要

利用成本低廉的液相外延技术, 成功制备了具有金属-绝缘体-半导体结构的HgCdTe场效应管器件. 在该器件中, 观察到清晰的Shubnikov-de Hass振荡和量子霍尔平台, 证明样品具有较高的质量. 测量零场附近的磁阻曲线, 在HgCdTe-基器件中观察到反弱局域效应, 表明样品中存在较强的自旋-轨道耦合作用. 利用Iordanskii-Lyanda-Pikus理论, 很好地拟合了反弱局域曲线. 由拟合得到的自旋分裂能随电子浓度的增大而增大, 最大达到9.06 meV. 根据自旋分裂能得到的自旋-轨道耦合系数同样随电子浓度的增大而增大, 与沟道较宽的量子阱中所得到的结果相反.

关键词:

Abstract

HgCdTe-based metal-insulator-semiconductor field effect transistor is fabricated by low-cost liquid phase epitaxy technique. Clear SdH oscillation in xx and quantum Hall plateaus of xy are observed, indicating that it is a good transistor. By measuring the magnetoresistance near zero field, we observe the weak antilocalization effect in our sample, suggesting a relatively strong spin-orbit coupling. The experimental data can be well fitted by the ILP theory. The fitting-obtained spin-splitting energy increases with increasing electron concentration, and the maximum reaches up to 9.06 meV. From the obtained spin-splitting energy, we calculate the spin-orbit coupling parameter and find that it increases with increasing electron concentration, which is contrary to the observations in a wide quantum well.

Keywords:

作者及机构信息

1.
华东师范大学信息科学技术学院, 极化材料与器件教育部重点实验室, 上海 200062;

2.
中国科学院上海技术物理研究所, 红外物理国家重点实验室, 上海 200083;

3.
中国科学院上海技术物理研究所, 红外成像材料与器件重点实验室, 上海 200083

基金项目: 国家重点基础研究发展计划(批准号: 2007CB924901), 国家自然科学基金(批准号: 60976093), 中国博士后科学基金(批准号: 20100480033), 上海技物所创新专项(批准号: Q-ZY-5)和上海科委基金(批准号: 09JC1415700)资助的课题.

Authors and contacts

1.
Key Laboratory of Polar Materials and Devices of Ministry of Education, School of Science and Technology of Information, East China Normal University, Shanghai 200062, China;

2.
National Laboratory for Infrared Physics, Shanghai Institute of Technical Physics, Chinese Academy of Science, Shanghai 200083, China;

3.
Key Laboratory of Infrared Imaging Material and Detectors, Shanghai Institute of Technical Physics, Chinese Academy of Science, Shanghai 200083, China

Funds: Project supported by the Major State Basic Research (Grant No. 2007CB924901), the National Natural Science Foundation of China (Grant No. 60976093), the China Postdoctoral Science Foundation (Grant No. 20100480033), the Innovation Program of Shanghai Institute of Technical Physics (Grant No. Q-ZY-5), and the Science and Technology Commission of Shanghai (Grant No. 09JC1415700).

参考文献

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[2]	Knap W, Skierbiszewski C, Zduniak A, Litwin-Staszewska E, Bertho D, Kobbi F, Robert J L, Pikus G E, Pikus F G, Iordanskii S V, Mosser V, Zekentes K, Lyanda-Geller Y B 1996 Phys. Rev. B 53 3912
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[5]	Koga T, Nitta J, Akazaki T, Takayanagi H 2002 Phys. Rev. Lett. 89 046801
[6]	Kurdak C, Biyikli N, Ozgur U, Morkoc H, Litvinov 2006 Phys. Rev. B 74 113308
[7]	Gao K H, Yu G L, Zhou Y M, Zhou W Z, Lin T, Chu J H, Dai N, Austing D G, Gu Y, Zhang Y G 2009 Phys. Rev. B 79 085310
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[14]	D’yakonov M I, Perel’ V I 1971 Sov. Phys. JETP 33 1053
[15]	Kallaher R L, Heremans 2009 Phys. Rev. B 79, 075322
[16]	Chen J, Qin H J, Yang F, Liu J, Guan T, Qu F M, Zhang G H, Shi J R, Xie X C, Yang C L, Wu K H, Li Y Q, Lu L, 2010 Phys. Rev. Lett. 105 176602
[17]	Chen J, He X Y, Wu K H, Ji Z Q, Lu L, Shi J R, Smet J H, Li Y Q arXiv:1104.0986
[18]	Zutic I, Fabian J, Das Sarma S 2004 Rev. Mod. Phys. 76 323
[19]	Litvinenko K L, Murdin B N, Allam J, Pidgeon C R, Zhang T, Harris J J, Cohen L F, Eustace D A, McComb D W 2006 Phys. Rev. B 74, 075331
[20]	Iordanskii S V, Lyanda-Geller Y B, Pikus G E 1994 JETP Lett. 60 206
[21]	Minkov G M, Germanenko A V, Rut O E, Sherstobitov A A, Golub L E, Zvonkov B N, Willander M 2004 Phys. Rev. B 70 155323
[22]	Pfeffer P, Zawadzki W 1999 Phys. Rev. B 59 R5321
[23]	Gui Y S, Becker C R, Dai N, Liu J, Qiu Z J, Novik E G, Schafer M, Shu X Z, Chu J H, Buhmann H, Molenkamp L W 2004 Phys. Rev. B 70 115328
[24]	Datta S, Das B 1990 Appl. Phys. Lett. 56 665
[25]	Nitta J, Akazaki T, Takayanagi H, Enoki T 1997 Phys. Rev. Lett. 78 1335
[26]	Guzenko V, Schapers T, Hardtdegen H 2007 Phys. Rev. B 76 165301
[27]	Yu G L, Dai N, Chu J H, Poole P J, Studenikin S A 2008 Phys. Rev. B 78 35304
[28]	Winkler R 2003 Spin-Orbit Coupling Effects in Two-Dimensional Electron and Hole Systems (Berlin: Springer-Verlag)
[29]	Schapers T, Engels G, Lamge J, Klocke T, Hollfelder M, Luth H 1998 J. Appl. Phys. 83 4324
[30]	Nitta J, Bergsten T, Kunihashi Y, Kohda M 2009 J. Appl. Phys. 105 122402
[31]	Grundler D 2000 Phys. Rev. Lett. 84 6074

施引文献

[1]	Wolf S A, Awschalom D D, Buhrman R A, Daughton J M, Molnar S V, Roukes M L, Chtchelkanova A Y, Treger D M 2001 Science 294 1488
[2]	Knap W, Skierbiszewski C, Zduniak A, Litwin-Staszewska E, Bertho D, Kobbi F, Robert J L, Pikus G E, Pikus F G, Iordanskii S V, Mosser V, Zekentes K, Lyanda-Geller Y B 1996 Phys. Rev. B 53 3912
[3]	Qiu Z J, Gui Y S, Shu X Z, Dai N, Guo S L, Chu J H 2004 Acta Phys. Sin. 53 1977 (in Chinese) [仇志军, 桂永胜, 疏小舟, 戴宁, 郭少令, 褚君浩 2004 53 1977]
[4]	Qiu Z J, Gui Y S, Shu X Z, Dai N, Guo S L, Chu J H 2004 Acta Phys. Sin. 53 1186 (in Chinese) [仇志军, 桂永胜, 疏小舟, 戴宁, 郭少令, 褚君浩 2004 53 1186]
[5]	Koga T, Nitta J, Akazaki T, Takayanagi H 2002 Phys. Rev. Lett. 89 046801
[6]	Kurdak C, Biyikli N, Ozgur U, Morkoc H, Litvinov 2006 Phys. Rev. B 74 113308
[7]	Gao K H, Yu G L, Zhou Y M, Zhou W Z, Lin T, Chu J H, Dai N, Austing D G, Gu Y, Zhang Y G 2009 Phys. Rev. B 79 085310
[8]	Hinz J, Buhmann H, Schafer M, Hock V, Becker C R, Molenkamp L W 2006 Semicond. Sci. Technol. 21 501
[9]	Bassom N J, Nicholas R J 1992 Semicond. Sci. Technol. 7 810
[10]	Belyaev A E, Beketov G V, Gorodnichii O P, Komirenko S M, Mukha L A 1993 Phys. Stat. Sol. (a) 135 253
[11]	van der Pauw L J 1958 Philips. Tech. Rev. 20 220
[12]	Shang L Y, Lin T, Zhou W Z, Li D L, Gao H L, Zeng Y P, Guo S L, Yu G L, Chu J H 2008 Acta Phys. Sin. 57 5232 (in Chinese) [商丽燕, 林铁, 周文政, 李东临, 高宏玲, 曾一平, 郭少令, 俞国林, 褚君浩 2008 57 5232]
[13]	Buegt M, Karavolas V C, Peeters F M, Singleton J, Nicholas R J, Herlach F, Harris J J, Van Hove M, Borghs G 1995 Phys. Rev. B 52 12218
[14]	D’yakonov M I, Perel’ V I 1971 Sov. Phys. JETP 33 1053
[15]	Kallaher R L, Heremans 2009 Phys. Rev. B 79, 075322
[16]	Chen J, Qin H J, Yang F, Liu J, Guan T, Qu F M, Zhang G H, Shi J R, Xie X C, Yang C L, Wu K H, Li Y Q, Lu L, 2010 Phys. Rev. Lett. 105 176602
[17]	Chen J, He X Y, Wu K H, Ji Z Q, Lu L, Shi J R, Smet J H, Li Y Q arXiv:1104.0986
[18]	Zutic I, Fabian J, Das Sarma S 2004 Rev. Mod. Phys. 76 323
[19]	Litvinenko K L, Murdin B N, Allam J, Pidgeon C R, Zhang T, Harris J J, Cohen L F, Eustace D A, McComb D W 2006 Phys. Rev. B 74, 075331
[20]	Iordanskii S V, Lyanda-Geller Y B, Pikus G E 1994 JETP Lett. 60 206
[21]	Minkov G M, Germanenko A V, Rut O E, Sherstobitov A A, Golub L E, Zvonkov B N, Willander M 2004 Phys. Rev. B 70 155323
[22]	Pfeffer P, Zawadzki W 1999 Phys. Rev. B 59 R5321
[23]	Gui Y S, Becker C R, Dai N, Liu J, Qiu Z J, Novik E G, Schafer M, Shu X Z, Chu J H, Buhmann H, Molenkamp L W 2004 Phys. Rev. B 70 115328
[24]	Datta S, Das B 1990 Appl. Phys. Lett. 56 665
[25]	Nitta J, Akazaki T, Takayanagi H, Enoki T 1997 Phys. Rev. Lett. 78 1335
[26]	Guzenko V, Schapers T, Hardtdegen H 2007 Phys. Rev. B 76 165301
[27]	Yu G L, Dai N, Chu J H, Poole P J, Studenikin S A 2008 Phys. Rev. B 78 35304
[28]	Winkler R 2003 Spin-Orbit Coupling Effects in Two-Dimensional Electron and Hole Systems (Berlin: Springer-Verlag)
[29]	Schapers T, Engels G, Lamge J, Klocke T, Hollfelder M, Luth H 1998 J. Appl. Phys. 83 4324
[30]	Nitta J, Bergsten T, Kunihashi Y, Kohda M 2009 J. Appl. Phys. 105 122402
[31]	Grundler D 2000 Phys. Rev. Lett. 84 6074

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