The research group comprised of Professor Koki Takanashi, Assistant Professor Takeshi Seki of the Institute for Materials Research at Tohoku University, Associate Professor Yukio Nozaki of Faculty of Science and Technology at Keio University, and Research Team Leader Hiroshi Imamura of Spintronics Research Center of National Institute of Advanced Industrial Science and Technology (AIST) succeeded in extremely low field magnetization switching with the use of waves of magnetic moments, spin waves, produced in the magnetic structures consisting of two different magnets which were laminated in the nanometer scale (nano=1 part per billion). They successfully switched the magnetization at the magnetic field with the magnitude of one tenth of that for the conventional technique.
More information (Japanese)：http://www.tohoku.ac.jp/japanese/newimg/pressimg/tohokuuniv-press_20130415_02.pdf [PDF:555KB]