Wei Y, Bower AF, Gao H. Enhanced strain-rate sensitiv-ity in fcc nanocrystals due to grain-boundary diffusion and sliding. Acta Mater, 2008, 56: 1741-1752
[2]
Wei Y, Gao H. An elastic-viscoplastic model of deformation in nanocrystalline metals based on coupled mechanisms in grain boundaries and grain interiors. Mater Sci Eng A,2008, 478: 16-25
[3]
Wei Y, Bower AF, Gao H. Recoverable creep deforma-tion and transient local stress concentration due to het-erogeneous grain-boundary diffusion and sliding in poly-crystalline solids. J Mech Phys Solids, 2008, 56: 1460-1483
[4]
Li X, Wei Y, Yang W, et al. Competing grain-boundary-and dislocation-mediated mechanisms in plastic strain re-covery in nanocrystalline aluminum. Proc Natl Acad Sci USA, 2009, 106: 16108-16113
[5]
Li X, Wei Y, Lu L, et al. Dislocation nucleation governed softening and maximum strength in nanotwinned metals. Nature, 2010, 464: 877-881
[6]
Kumar S, Li X, Haque A, et al. Is stress concentration relevant for nanocrystalline metals? Nano Lett, 2011, 6:2510-2516
[7]
Kim SW, Li X, Gao H, et al. In situ observations of crack arrest and bridging by nanoscale twins in copper thin films. Acta Mater, 2012, 60: 2959-2972
[8]
Gao H, Ji B, Jager IL, et al. Materials become insensitive to flaws at nanoscale: Lessons from nature. Proc Natl Acad Sci USA, 2003, 100: 5597-5600
[9]
Ji B, Gao H. Mechanical properties of nanostructure of bio-logical materials. J Mech Phys Solids, 2004, 52: 1963-1990
[10]
Gao H, Wang X, Yao H, et al. Mechanics of hierarchical adhesion structures of gecko. Mech Mater, 2005, 37: 275-285
[11]
Gao H, Yao H. Shape insensitive optimal adhesion of nanoscale fibrillar structures. Proc Natl Acad Sci USA,2004, 101: 7851-7856
[12]
Yao H, Gao H. Mechanics of robust and releasable adhesion in biology: Bottom-up designed hierarchical structures of gecko. J Mech Phys Solids, 2006, 54: 1120-1146
[13]
Gao H, Shi W, Freund LB. Mechanics of receptor-mediated endocytosis. Proc Natl Acad Sci USA, 2005, 102: 9469-9474
[14]
Cui D, Tian F, Ozkan CS, et al. Effect of single wall carbon nanotubes on human HEK293 cells. Toxicology Lett, 2005,155: 73-85
[15]
Yi X, Shi X, Gao H. Cellular uptake of elastic nanoparti-cles. Phys Rev Lett, 2011, 107: 098101
[16]
Shi X, von dem Bussche A, Hurt RH, et al. Cell entry of one-dimensional nanomaterials occurs by tip recognition and rotation. Nature Nanotech, 2011, 6: 714-719
