1. Department of Applied Physics and Materials Science California Institute of Technology 1200 E. California Blvd Pasadena CA 91125 USA
2. Department of Materials Science and Engineering Northwestern University 2220 Campus Drive Evanston IL 60208 USA
3. Department of Physics and Atmospheric Science Dalhousie University 6274 Coburg Rd. Halifax Nova Scotia B3H 4R2 Canada
4. Thermal Energy Conversion Technologies Group NASA's Jet Propulsion Laboratory 4800 Oak Grove Drive Pasadena CA 91109 USA
5. Department of Chemical Engineering and Materials Science Michigan State University 428 S. Shaw Lane East Lansing MI 48824 USA