The First Proton-Conducting Metallic Ion-Radical Salts

Davy-Faraday Research Laboratory (DFRL), Royal Institution of Great Britain, 21 Albemarle Street, London, W1S 4BS, United Kingdom

Graduate School of Material Science, University of Hyogo, Hyogo, 678-1297, Japan

Davy-Faraday Research Laboratory (DFRL), Royal Institution of Great Britain, 21 Albemarle Street, London, W1S 4BS, United Kingdom

School of Biological and Chemical Sciences, Department of Chemistry, University of Exeter, Exeter, EX4 4QD, United Kingdom

Davy-Faraday Research Laboratory (DFRL), Royal Institution of Great Britain, 21 Albemarle Street, London, W1S 4BS, United Kingdom

Fax: (+44)20-7629-3569

Department of Chemistry, University of Durham South Road, Durham, DH1 3LE, United Kingdom

Department of Chemistry, University of Durham South Road, Durham, DH1 3LE, United Kingdom

Research Institute for Electronic Science, Hokkaido University, Sapporo, 060-0812, Japan

Division of Chemistry, Graduate School of Science Hokkaido University, Sapporo, 060-0812, Japan

Research Institute for Electronic Science, Hokkaido University, Sapporo, 060-0812, Japan

Department of Organic and Polymeric Materials, Tokyo Institute of Technology, O-okayama, Megaru-ku, Tokyo, 113-0033, Japan