1. Department of Physics and Astronomy Purdue University West Lafayette IN 47907 USA
2. Birck Nanotechnology Center Purdue University West Lafayette IN 47907 USA
3. Department of Physics Virginia Tech Blacksburg VA 24061 USA
4. Elmore Family School of Electrical and Computer Engineering Purdue University West Lafayette IN 47907 USA
5. School of Materials Engineering Purdue University West Lafayette IN 47907 USA
6. National High Magnetic Field Laboratory Tallahassee FL 32310 USA
7. Department of Physics Florida State University Tallahassee FL 32306 USA