Magnetic Coercivity

In order to completely rid the material of its remnant magnetization, the polarity of the magnetizing field has to be reversed. The value of H at which M goes to zero is called the coercive magnetic field intensity (Fig. 15.8 ). 

Umeki, S., Saitoh, S., and Imaoka, Y., A new high coercive magnetic particle for recording tape, IEEE Trans. Magn., Mag., 10, 655 (1974). 

Kogure, T., Katayama, S. Ishii, N. (1990). High-coercivity magnetic hard disks using glass substrates. Journal of Applied Physics, 67, 4701-3. 

Rizzo, N.D., T.J. Silva, and A.B. Kos. 1999. Relaxation times for magnetization reversal in a high coercivity magnetic thin film. Physical Review Letters 83(23) 4876-4879. 

Coefficient of Friction, 15-47 to 48 Coercivity, magnetic materials, 12-105 to 113 Collision diameter of gases, 6-37 Collision frequency, common gases, 6-37 Combustion, heat of fuels, 5-71... 

---