... reversal of a percolated recording media with per-pendicular anisotropy mainly dominated by therotational mechanism.AcknowledgementsThis work was supported by the National Science Council of Taiwan ... 98-2112-M-390-003.Author details1Department of Applied Physics, National University of Kaohsiung, Kaohsiung811, Taiwan, Republic of China2Department of Materials Science andEngineering, National ... 300, Taiwan, Republic of China3Graduate Institute of Applied Science and Engineering, Fu JenCatholic University, Taipei 24205, Taiwan, Republic of China4Department of Applied Physics, National...