Dr Ryutaro OkumaLong Term Visitor Research themeQuantum materials Sub departmentCondensed Matter Physics Research groupsQuantum magnetism and quantum phase transitions ryutaro.okuma@physics.ox.ac.uk Telephone: 01865 (2)72310 Clarendon Laboratory, room 051,106 sites.google.com/view/rokuma About Publications Synthesized pharmacosiderite Research interests Frustrated Magnetism Crystal growth