Whittington Ben | Physics Department, Coe College, Cedar Rapids, IA 52402, U.S.A.

Institute Of Materials Science University Of Tsukuba

Department Of Applied Chemistry Sojo University

Institute For Solid State Physics University Of Tokyo

Institute of Materials Science, University of Tsukuba, Ibaraki 305-8573, Japan

Physics Department, Coe College, Cedar Rapids, IA 52402, U.S.A.

Physics Department, Coe College, Cedar Rapids, IA 52402, U.S.A.

Physics Department, Coe College, Cedar Rapids, IA 52402, U.S.A.

Physics Department, Coe College, Cedar Rapids, IA 52402, U.S.A.

Department of Chemistry, Sojo University, Kumamoto 960-0082, Japan

Institute of Materials Science, University of Tsukuba, Ibaraki 305-8573, Japan