1. Nanoscale Sciences Department, Sandia National Laboratories, Albuquerque, New Mexico 87185, United States
2. Electronic, Optical, and Nano Department, Sandia National Laboratories, Albuquerque, New Mexico 87185, United States
3. MemZyme, LLC, Albuquerque, New Mexico 87123, United States
4. Department of Biochemistry and Biophysics, Oregon State University, Corvallis, Oregon 97331, United States
5. Center for Integrated Nanotechnologies, Sandia National Laboratories, Albuquerque, New Mexico 87185, United States