Relaxation time constant of ferromagnetic single-domain particles
Author
Ishibachi, Toyoaki
Date
1963Advisor
Asimov, Robert
Degree
Master of Science
Abstract
A Brownian motion treatment was applied to the Neel model for superparamnagnetism and the relaxation time was calculated. A comparison with the published results was made. It was shown that the fluctuations due to magnetostriction are too small to account for the dissipation mechanism.