Assistant Professor Kazuya Ando Institute for Materials Research at Tohoku University (presently Lecturer at the Faculty of Science and Technology at Keio University) and Professor Eiji Saitoh, Advanced Institute for Materials Research at Tohoku University has found that within the widely used electro-conductive plastic, the flow of the magnetism called the "spin current" can be converted into electrical signals and has successfully created a plastic magnetic-electrical conversion device.
More information (Japanese):http://www.tohoku.ac.jp/japanese/newimg/pressimg/tohokuuniv-press_20130425_02.pdf [PDF:795KB]