Department of Chemical Engineering and Materials Science, Institute of Technology, University of Minnesota, 421 Washington Avenue S. E., Minneapolis, MN 55455 United States; Department of Physics, University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-0033 Japan
Department of Chemical Engineering and Materials Science, Institute of Technology, University of Minnesota, 421 Washington Avenue S. E., Minneapolis, MN 55455 United States
Department of Physics, University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-0033 Japan