1. Micro and Nanotechnology Laboratory, University of Illinois at Urbana−Champaign, ‡Department of Electrical and Computer Engineering, University of Illinois at Urbana−Champaign, §Center for Biophysics and Computational Biology, University of Illinois at Urbana−Champaign, ⊥Beckman Institute for Advanced Science and Technology, University of Illinois at Urbana−Champaign, ∥Department of Nuclear, Plasma and Radiological Engineering, University of Illinois at Urbana−Champaign, and △Department of Physics,...