Director, Department of Mechanics and Engineering Science
Vice Director, Key Laboratory of High Energy Density Physics Simulations, Ministry of Education

Contact Information
Tel：010-62753228 
Email：hlduan@pku.edu.cn 
Homepage ：http://www2.coe.pku.edu.cn/subpaget.asp？id=76

Education

2005 Peking University, Ph. D. 

Research Areas and Interests 
1. Strain Engineering in Semiconductor materials and Semiconductor devices 
2. Fundamental problems in self-organization and applications to micro-organisms and nano-devices 
3. Characterization and design of multi-functional materials, structures 
4. Growth, diffusion, morphological evolution and stability in stressed solids (e.g., growth of quantum dots)
5. Mechanics of nanostructured materials and mechanical/physical phenomena related to surface/interface/interphase


Awards And Honors 
Distinguished Young Scholars, National Science Foundation of China (2012) 
Outstanding Young Scholar Award, The Chinese Society of Theoretical and Applied Mechanics, 2011 
Mao Yisheng Outstanding Young Scholar Award, Beijing, China, 2010 
The Sia Nemat-Nasser Early Career Award, USA, 2009 (Achievement Recognized: For research excellence in the areas of experimental, computational, and theoretical mechanics and materials by young investigators who are within 10 years after their Ph.D. degree. One awardee, annually at IMECE.) 
National Excellent PhD Thesis of China in 2007 
The first prize of Excellent PhD Thesis of Peking University in 2007 
Alexander von Humboldt Research Fellowship, 2006 
Post-doctoral Fellowship of The Royal Society of London, 2005

Selected Publications
Lanza, M., Reguant, M., Zou, G, Lv, P.Y., Li, H., Chin, R., Liang, H., Yu, D., Zhang, Y. F., Liu, Z. F., Duan, H.L.*(2014): High Performance Piezoelectric Nanogenerators Using Two‐Dimensional Flexible Top Electrodes. Advanced Materials Interfaces 1300101. 
2. Lv, P.Y., Xue,Y.H., Shi,Y.P., Lin,H.,Duan, H.L.*(2014): Metastable states and wetting transition of submerged superhydrophobic structures. Physical Review Letters, 112, 196101, 2014. 
3. Xue, Y.H., Yuan, H.J., Su, W.D., Shi, Y.P.，Duan, H.L.*(2014): Enhanced load-carrying capacity of hairy surfaces floating on water. Proceedings of the Royal Society A 2014, 470, 2165, 
4. Wu, Y., Xue, Y.H., Pei, X.W., Cai, M.R., Duan, H.L.*, Huck, W. T. S.*, Zhou, F.*, Xue, Q.J. Adhesion-Regulated Switchable Fluid Slippage on Superhydrophobic Surfaces. J. Phys. Chem. C, 2014, 118, 2564–2569. 
5. Lanza, M., Gao, T., Yin, Z., Zhang, Y.F., Liu, Z.F.,Tong, Y.Z., Shen, Z.Y,Duan, H.L.*(2013):Nanogap based graphene coated AFM tips with high spatial resolution, conductivity and durability.Nanoscale, 5, 10816-10823. 
6. Lanza, M., Wang, Y., Gao, T., Bayerl, A., Porti, M., Nafria, M., Zhou, Y. B., Jing, G. Y., Zhang, Y.F., Liu, Z. F., Yu, D.P., Duan, H.L.*(2013): Electrical and mechanical performance of graphene sheets exposed to oxidative environments. Nano Research, 6, 485-495． 
7. Li, W.N., Sun, L.X., Xue, J.M., Wang, J.X., Duan, H.L.*(2013):Influence of ion irradiation induced defects on mechanical properties of copper nanowires. Nuclear Instruments and Methods in Physics Research B, 307, 158-164. 
8. Li, H., Zhao, Q., Wang, W., Dong, H., Xu, D. S., Zou, G., Duan, H.L., Yu, D. P. (2012): Novel planar-structure electrochemical devices for highly flexible semitransparent power generation/Storage sources. Nano Letters, 13, 1271–1277. 
9. Lanza, M., Bayerl, A., Gao, T., Porti, M., Nafria, M., Jing, G. Y., Zhang, Y. F., Liu, Z. F., Duan, H. L. (2013): Graphene-coated atomic force microscope tips for reliable nanoscale electrical characterization Adv. Mater. 25, 1440–1444. 
10. Lanza, M., Wang, Y., Bayerl, A., Gao, T., Porti, M., Nafria, M., Liang, H., Jing, G. Y., Liu, Z. F., Zhang, Y. F., Tong, Y., Duan, H. L.(2013): Tuning graphene morphology by substrate towards wrinkle-free devices: Experiment and simulation. J. Appl. Phys. 113, 104301. 
11. Xue, Y.H., Chu, S.G. Lv, P.Y., Duan, H.L. (2012): Importance of hierarchical structures in wetting stability on submersed superhydrophobic surfaces. Langmuir 28, 9440?9450. 
12. Wang, M.Q., Wang, Y., Sun,Y.J., Zhang,G.Y., Duan, H.L. (2012): Thermo-mechanical solution of film/substrate systems under local thermal load and application to laser lift-off of GaN/sapphire structures. Int. J. Solids Struct., 49, 1701-1711 
13. Zhang, K., Zhao, X.W., Duan, H.L., Wang, J., Karihaloo, B.L. (2011): Novel pattern transformations in periodic cellular solids under external stimuli. J. Appl. Phys. 109, 084907. 
14. Li, W.N., Duan, H.L., Albe, K., Weissmuller, J. (2011): Line stress of step edges at crystal surfaces. Surface Science. 605, 947-957. 
15. Wang, Y., Weissmüller, J., Duan, H.L. (2010): Mechanics of corrugated surfaces. J. Mech. Phys. Solids 58, 1552-1566. 
16. Zhang, K., Han, T., Duan, H.L., Wang, J.X. (2010): A theoretical study of possible shape and phase changes of carbon nanotube crystals during contraction and expansion. Carbon 48, 2948-2952. 
17. Jing, B.X., Zhao, J., Yan, W., Yi, X., Duan, H.L. (2010): Water swelling induced morphological instability of supported polymethyl methacrylate thin film. Langmuir 26, 7651–7655. 
18. Zhang, K., Duan, H.L., Karihaloo, B. L., Wang, J. X. (2010): Hierarchical, multilayered cell walls reinforced by recycled silk cocoons enhance the structural integrity of honeybee combs. Proceedings of the National Academy of Sciences 107, 9502-9506. 
19. Zhang, K., Si, F. W., Duan, H. L., Wang, J. X. (2010): Microstructures and mechanical properties of silks of silkworm and honeybee. Acta Biomaterialia 6, 2165-2171. 
20. Duan, H.L. (2010): Surface-enhanced cantilever sensors with nano-porous films. Acta Mechanica Solida Sinica 23, 1-12. 
21. Weissmüler, J., Duan, H.L., Farkas, D. (2010): Deformation of solids with nanoscale pores by the action of capillary forces. Acta Mater. 58, 1-13. 
22. Duan, H.L., Xue, Y.H. and Yi X. (2009): Vibration of cantilevers with rough surfaces. Acta Mechanica Solida Sinica 22, 551-554. 
23. Yi, X. and Duan, H.L. (2009): Surface stress induced by interactions of adsorbates and its effect on deformation and frequency of microcantilever sensors. J. Mech. Phys. Solids 57, 1254-1266. 
24. Wang, Y., Weissmüller, J., Duan, H.L. (2009): Tuning and monitoring of quantum dot growth by an in situ cantilever. Phys. Rev. B 79, 045401. 
25. Weissmuller, J. and Duan, H.L. (2008): Cantilever bending with rough surfaces Phys. Rev. Lett., 101, 146102. 26. Duan, H.L., Wang, J and Karihaloo, B.L. (2008): Th, eory of elasticity at the nano-scale. Advances in Applied Mechanics 42, 1-63. 
27. Duan, H.L., Weissmuller J. and Wang, Y. (2008): Instabilities of core-shell heterostructured cylinders due to diffusions and epitaxy: spheroidization and blossom of nanowires. J. Mech. Phys. Solids 56, 1831-1851. 
28. Duan, H.L., Yi, X., Huang, Z.P. and Wang, J. (2007): A unified scheme for prediction of effective moduli of multiphase composites with interface effects: Part I - theoretical framework. Mech. Mater. 39, 81-93. 
29. Duan, H.L., Yi, X., Huang, Z.P. and Wang, J. (2007): A unified scheme for prediction of effective moduli of multiphase composites with interface effects: Part II - application and scaling laws. Mech. Mater. 39, 94-103. 
30. Duan, H.L., Karihaloo, B.L. (2007): Effective conductivities of heterogeneous media containing imperfectly-bonded multiple inclusions. Phys. Rev. B 75, 064206. 
31. Duan, H.L., Karihaloo, B.L. (2007): Thermo-elastic properties of heterogeneous materials with imperfect interfaces: Generalized Levin's formula and Hill's connections. J. Mech. Phys. Solids 55, 1036-1052. 
32. Duan, H.L., Wang, J., Karihaloo, B.L. and Huang, Z.P. (2006): Nanoporous materials can be made stiffer than non-porous counterparts by surface modification. Acta Mater. 54, 2983-2990. 33. Duan, H.L., Karihaloo, B.L., Wang, J., and Yi, X. (2006): Effective conductivities of heterogeneous media containing multiple inclusions with various spatial distributions. Phys. Rev. B 73, Art 174203. 
34. Duan, H.L., Jiao, Y., Yi, X., Huang, Z.P. and Wang, J. (2006): Solutions of inhomogeneity problems with graded shells and application to core-shell nanoparticles and composites. J. Mech. Phys. Solids 54, 1401-1425. 
35. Duan, H.L., Karihaloo, B.L., Wang, J. and Yi, X. (2006): Strain distributions in nano-onions with uniform and non-uniform compositions. Nanotech. 17, 3380-3387. 
36. Duan, H.L., Karihaloo, B.L., Wang, J. and Yi, X. (2006): Compatible composition profiles and critical sizes of alloyed quantum dots. Phys. Rev. B. 74, Art 195328. 
37. Jing, G.Y., Duan, H.L., Sun, X. M., Zhang, Z.S., Xu, J., Li, Y.D., Wang, J. and Yu, D.P. (2006): Surface effects on elastic properties of silver nanowires: Contact atomic-force microscopy. Phys. Rev. B 73, Art 235409. 
38. Wang, J., Duan, H.L. and Yi, X. (2006): Bounds on effective conductivities of heterogeneous media with graded constituents. Phys. Rev. B 73, Art 104208. 
39. Duan, H.L., Karihaloo, B.L., Yi, X. and Wang, J. (2006): Conductivities of heterogeneous media with graded anisotropic constituents. J. Appl. Phys. 100, 034906. 
40. Wang, J., Duan, H.L., Huang, Z.P. and Karihaloo, B.L. (2006): A scaling law for properties of nano-structured materials. Proc. Roy. Soc. A 462, 1355-1363. 
41. Duan, H.L., Wang, J., Huang, Z.P. and Karihaloo, B.L. (2005): Size-dependent effective elastic constants of solids containing nano-inhomogeneities with interface stress. J. Mech. Phys. Solids 53, 1574-1596. 
42. Duan, H.L., Wang, J., Huang, Z.P. and Karihaloo, B.L. (2005): Eshelby formalism for nano-inhomogeneities. Proc. Roy. Soc. A 461, 3335-3353. 
43. Duan, H.L., Wang, J., Huang, Z.P. and Zhong, Y. (2005): Stress fields of a spheroidal inhomogeneity with an interphase in an infinite medium under remote loadings. Proc. Roy. Soc. A 461, 1055-1080. 
44. Duan, H.L., Wang, J., Huang, Z.P. and Luo, Z.Y. (2005): Stress concentration tensors of inhomogeneities with interface effects. Mech. Mater. 37, 723-736.