Skip to main content - access key m.
Skip to main navigation - access key n.


Rodrigo A. Bernal

Assistant Professor of Mechanical Engineering

Postdoc. University of Pennsylvania, 2016.
PhD. Mechanical Engineering, Northwestern University, 2014
BSc. Mechanical Engineering, Universidad de Los Andes, Bogotá, Colombia, 2007
BSc. Electronics Engineering, Universidad de Los Andes, Bogotá, Colombia, 2007

Research Interests
Mechanical properties of nanomaterials, Multiphysics phenomena at the nanoscale, Nanoscale metrology, MEMS and NEMS, Electron Microscopy

Five Most Recent Journal Publications, Book Chapters, and Books

  • R. Ramachandramoorthy, W. Gao, R. Bernal, H. Espinosa, “High Strain Rate Tensile Testing of Silver Nanowires: Rate-Dependent Brittle-to-Ductile Transition”, Nano Letters, V16, p. 255-563 (2016).
  • R. A. Bernal, R. Ramachandramoorthy, H. D. Espinosa,  “Double-tilt in situ TEM holder with multiple electrical contacts and its application in MEMS-based mechanical testing of nanomaterials”, Ultramicroscopy, V156, p. 23-38 (2015).
  • R. A. Bernal, A. Aghaei, S. Lee, S. Ryu, K. Sohn, J. Huang, W. Cai, H. D. Espinosa, “Intrinsic Bauschinger Effect and Recoverable Plasticity in Penta-twinned Silver Nanowires Tested in Tension”, Nano Letters, V15, p. 139-146 (2015). Selected as Cover article for January 2015 Issue.
  • R. A. Bernal, T. Filleter, K. Sohn, J. Huang, J. Connell, L. Lauhon and H. D. Espinosa, “In Situ Electron Microscopy Four‐Point Electromechanical Characterization of Freestanding Metallic and Semiconducting Nanowires”, Small, V10, p. 725-733, (2014).
  • H.D. Espinosa, R. A. Bernal and M.M. Jolandan, "A Review of Mechanical and Electromechanical Properties of Piezoelectric Nanowires", Advanced Materials, V24, p. 4656–4675 (2012).