1. Department of Electrical and Computer Engineering Micro and Nanotechnology Laboratory Materials Research Laboratory University of Illinois at Urbana–Champaign IL 61801 USA
2. Microsystems Engineering Rochester Institute of Technology Rochester NY 14623 USA
3. SanDisk a Western Digital Brand Milpitas CA 95035 USA
4. Department of Electrical Engineering and Department of Materials Science University of Texas at Dallas Richardson TX 75080 USA
5. International Institute for Carbon‐Neutral Energy Research (I2CNER) Kyushu University Fukuoka 819‐0395 Japan