凝聚态物理

肖志刚_conew1.jpg

郭永 教授

清华大学物理系

物理楼W326

北京 100084

电话:010-62782163

传真:010-62781604

guoy66@tsinghua.edu.cn

个人简历

教育经历:

[1] 1995.2─1998.6, 清华大学物理系, 凝聚态物理, 博士

[2] 1997.5─1998.4,日本东北大学材料研究所,留学

[3] 1990.9─1993.7, 河北师范大学物理系, 理论物理, 硕士

[4] 1986.9─1990.7, 河北师范大学物理系, 物理学, 学士

工作经历:

[1] 2005.12─至今, 清华大学, 物理系, 教授,博士生导师

[2] 2000.8─2005.11, 清华大学, 物理系, 副教授

[3] 1998.8─2000.7, 清华大学, 物理系, 讲师

[4] 1993.7─1995.2, 河北师范大学, 物理系, 助教

教学

[1] 大学本科《量子力学》 ;[2] 大学本科《量子与统计》

研究领域

自旋电子学、光电电子学、能谷电子学、低维量子输运、半导体异质结物理、二维新材料平面异质结物理等

奖励、荣誉

[1] 2004年度清华大学“纪念梅贻琦学术论文奖”二等奖

[2] 2003年度清华大学“学术新人奖”

[3] 北京市科学技术二等奖(2002)

完成人:郭永,顾秉林

完成项目:半导体量子结构及磁量子结构中的隧穿输运性质

[4] 2000年度清华大学“纪念梅贻琦学术论文奖”二等奖

学术贡献及主要论著

长期从事自旋电子学、低维量子输运、异质结物理等领域的研究。发表的学术论文被Web of Science 核心合集收录165篇(第一作者32篇),其中Phys. Rev. Lett., Phys. Rev. Applied, Phys. Rev. B, Appl. Phys. Lett.等国际物理学术期刊152篇, 被Web of Science 核心合集引用近2700次(其中他引2300多次),H指数30。

基于稀磁半导体异质结提出了自旋过滤二极管、电流及自旋流双重二极管等概念;提出具有不同自旋指向的电子渡越稀磁半导体异质结在渡越时间尺度上分离的观点;揭示了自旋极化输运中的一些新效应及机理(电场和磁场效应、温度效应、量子尺寸效应、线型共振、自旋依赖的共振抑制及增强效应、自旋轨道耦合效应、自旋共振劈裂效应等);系统地研究了量子点及磁量子结构中的量子输运性质、量子噪声及热电性质;系统研究了光、电、磁调控下二维新材料(石墨烯、硅烯、过渡金属硫族化物等)平面量子结构及超晶格结构中的自旋及能谷依赖的量子输运性质;提出二维光电超晶格概念;基于二维新材料理论上提出并预言了隧穿光阻效应、隧穿磁光阻效应、隧穿光电阻效应等。

1. Y. Guo, S. X. Wang, J. W. Huang, and H. F. Lü

Tunneling optoresistance effect and magneto-optoresistance effect in planar heterostructures

Physical Review B 111 (24), 245401 (2025).

2. S. X. Wang, L. P. Luo, and Y. Guo

Tunneling optoresistance effect in two-dimensional modulated quantum structures

Physical Review B 109 (8), 085131 (2024).

3. L. P. Luo, S. X. Wang, J. Zheng, and Y. Guo

Spin- and valley-resolved tunneling magnetoresistance in a ferromagnetic transition-metal dichalcogenide planar heterojunction modulated by polarized light

Physical Review B 108 (7), 075434 (2023).

4. D. N. Liu, S. S. Ke, R. Y. Yuan, and Y. Guo

Theoretical study on negative differential resistance in transition metal dichalcogenide planar heterostructures

Applied Physics Letters 122 (21), 213101(2023).

5. J. Zheng, L. Ma, C. L. Li, R.Y. Yuan, F. Chi, and Y. Guo

On-state current paths and off-state leakage in nanoscale silicene field-effect transistors

Physical Review Applied 20 (1), 014065 (2023).

6. D. N. Liu and Y. Guo

Strain-tuned spin polarization and optical conductivity in MoS2/EuS heterostructures

Physical Review B 107 (7), 075430 (2023).

7. L. P. Luo, S. X. Wang, and Y. Guo

Optically-controlled valley filter and transistor based on transition-metal dichalcogenide planar heterojunctions

Physical Review Applied 18 (4), 044020 (2022).

8. D. N. Liu and Y. Guo

Pure valley current and negative differential resistance in optoelectronic superlattices based on monolayer transition metal dichalcogenides

Physical Review B 106 (3), 035411 (2022).

9. J. Zheng, Y. Xiang, C. L. Li, R. Y. Yuan, F. Chi, and Y. Guo

Multichannel Depletion-Type Field-Effect Transistor Based on Ferromagnetic Germanene

Physical Review Applied 16 (2), 024046 (2021).

10. D. N. Liu, B. Y. Liu, R. Y. Yuan, J. Zheng, and Y. Guo

Valley filter and valley valve based on WSe2 double-barrier junctions modulated by polarized light

Physical Review B 103 (24), 245432 (2021).

11. D. N. Liu and Y. Guo

Optoelectronic superlattices based on 2D transition metal dichalcogenides

Applied Physics Letters 118 (12), 123101 (2021).

12. J. Zheng, F. Chi, and Y. Guo

Spin-current diodes based on germanene and stanene subjected to local exchange fields

Applied Physics Letters 113 (11), 112404 (2018).

13. J. Zheng, F. Chi, and Y. Guo

Thermal Spin Generator Based on a Germanene Nanoribbon Subjected to Local Noncollinear Exchange Fields

Physical Review Applied 9 (2), 024012 (2018).

14. P. F. Yang and Y. Guo

Spin-dependent tunneling time in periodic diluted-magnetic semiconductor/nonmagnetic-

barrier superlattices

Applied Physics Letters 108 (5), 052402 (2016).

15. X. Yang, J. Zheng, F. Chi, and Y. Guo

Spin power and efficiency in an Aharnov-Bohm ring with an embedded magnetic impurity quantum dot

Applied Physics Letters 106 (19), 193107 (2015).

16. Y. Song, H. C. Wu, and Y. Guo

Negative differential resistances in graphene double barrier resonant tunneling diodes

Applied Physics Letters 102 (9),093118 (2013).

17. Y. S. Liu, X. F. Yang, X. K. Hong, M. S. Si, F. Chi, and Y. Guo

A high-efficiency double quantum dot heat engine

Applied Physics Letters 103 (9), 093901 (2013).

18. Y. Song, F. Zhai, and Y. Guo

Generation of a fully valley-polarized current in bulk graphene

Applied Physics Letters 103 (18),183111 (2013).

19. Y. S. Liu, X. F. Yang, F. Chi, M. S. Si, and Y. Guo

A proposal for time-dependent pure-spin-current generators

Applied Physics Letters 101 (21), 213109 (2012).

20. Y. Guo, F. R. Shen, and X. Y. Chen

A tunable spin filter in periodic diluted magnetic semiconductor/semiconductor superlattices

Applied Physics Letters 101 (1), 012410 (2012).

21. F. Chi, J. Zheng, Y. S. Liu, and Y. Guo

Refrigeration effect in s single-level quantum dot with thermal bias

Applied Physics Letters 100 (23), 233106 (2012).

22. Y. Song, H. C. Wu, and Y. Guo

Giant Gooshanchen shift in graphene double-barrier structures

Applied Physics Letters.100 (25), 253116 (2012).

23. L. Qin, H. F. Lü, and Y. Guo

Enhanced spin injection efficiency in a four-terminal quantum dots system

Applied Physics Letters 96 (7), 072109 (2010).

24. H. F. Lü, Y. Guo, X. T. Zu, and H. W. Zhang

Optically controlled spin polarization in a spin transistor

Applied Physics Letters 94 (16),162109 (2009).

25. H. F. Lü and Y. Guo

Pumped pure spin current and shot noise spectra of a two-level Rashba dot

Applied Physics Letters 92 (6), 062109 (2008).

26. L. Han and Y. Guo

Comment on ``Berry Phase in a Composite System"

Physical Review Letters 100 (16), 168901(2008).

27. T. G. Cheng, H. F. Lü, and Y. Guo

Optically induced shot noise enhancement and suppression in a λ-type double-dot system

Physical Review B 77 (20), 205305 (2008).

28. R. Zhu and Y. Guo

Dresselhaus spin-orbit coupling effect on the shot noise in resonant double-barrier structures

Applied Physics Letters 90 (23), 232104 (2007).

29. H. F. Lü and Y. Guo

Kondo effect and spin-polarized transport through a quantum dot with Rashba spin-orbit interaction

Physical Review B 76 (4), 045120 (2007).

30. H. F. Lü and Y. Guo

Pure spin current in a three-terminal spin device in the presence of Rashba spin-orbit interaction

Applied Physics Letters 91 (9), 092128 (2007).

31. R. Zhu and Y. Guo

Shot noise in the grapheme-based double-barrier structures

Applied Physics Letters 91 (25), 252113 (2007).

32. Y. X. Li, Y. Guo, and B. Z. Li

Rashba spin-orbit effect on electronic transport in ferromagnetic/semiconductor/ferromagnetic nanostructures under an applied electric field

Physical Review B 71 (1), 012406 (2005).

33. Y. Guo, C. E. Shang, and X. Y. Chen

Spin-dependent delay time and the Hartman effect in tunneling through diluted-magnetic-semiconductor/semiconductor heterostructures

Physical Review B 72 (4), 045356 (2005).

34. F. Zhai, H. Q. Xu, and Y. Guo

Tunable spin polarization in a two-dimensional electron gas modulated by a ferromagnetic metal stripe and a Schottky metal stripe

Physical Review B 70 (8), 085308 (2004).

35. H. C. Wu, Y. Guo, X. Y. Chen, and B. L. Gu

Giant persistent current in a quantum ring with multiple arms

Physical Review B 68 (12), 125330 (2003).

36. Y. Guo, X.Y. Chen, F. Zhai, B. L. Gu, and Y. Kawazoe

Spin-filter diode based on ZnSe/Zn1-xMnxSe/Zn1-yMnySe/ZnSe heterostructures

Applied Physics Letters 80 (24), 4591 (2002).

37. Y. Guo, F. Zhai, B. L. Gu, and Y. Kawazoe

Resonant enhancement and negative-differential resistances in hybrid magnetic-electric barrier structures

Physical Review B 66 (4), 045312 (2002).

38. F. Zhai, Y. Guo, and B. L. Gu

Giant magnetoresistance effect in a magnetic-electric barrier structure

Physical Review B 66 (12), 125305 (2002).

39. Y. Guo, B. L. Gu, H. Wang, and Y. Kawazoe

Spin-resonant suppression and enhancement in ZnSe/Zn1-xMnxSe multilayer heterostructure

Physical Review B 63 (21), 214415 (2001).

40.Y. Guo, J. Q. Lu, B. L. Gu, and Y. Kawazoe

Spin-resonant splitting in magnetically modulated semimagnetic semiconductor

superlattices

Physical Review B 64 (15), 155312 (2001).

41. Y. Guo, B. L. Gu, Z. Zeng, J. Z. Yu, and Y. Kawazoe

Electron-spin polarization in magnetically modulated quantum structures

Physical Review B 62 (4), 2635 (2000).

42. Y. Guo, H. Wang, B. L. Gu, and Y. Kawazoe

Electric field effects on electronic tunneling transport in magnetic barrier structures

Physical Review B 61 (3), 1728 (2000).

43. Y. Guo, B. L. Gu, W. H. Duan, and Y. Zhang

Transport in asymmetric multiple-barrier magnetic nanostructures

Physical Review B 55 (15), 9314 (1997).