Self-healing of fractured one-dimensional brittle nanostructures J. Wang, C. Lu, Q. Wang, P. Xiao, F. J. Ke, Y. L. Bai, Y. G. Shen, Y. B. Wang, X. Z. Liao and H. J. Gao EPL, 98 1 (2012) 16010 Published online: 12 April 2012 DOI: 10.1209/0295-5075/98/16010