Title :
Hysteretic microwave magnetoabsorption in granular cuprate superconductors-the role of random fields
Author :
Ramachandran, J.S. ; Bhagat, S.M.
Author_Institution :
Center for Supercond. Res. & Dept. of Phys., Maryland Univ., College Park, MD, USA
fDate :
6/1/1995 12:00:00 AM
Abstract :
The phenomenon of hysteretic DC field induced microwave absorption is linked to the existence of random fields within the granular sample. A simple method to access the parameters defining the distribution of random fields is demonstrated.<>
Keywords :
barium compounds; granular materials; high-temperature superconductors; magnetic hysteresis; magnetoabsorption; microwave spectra; yttrium compounds; YBaCuO; granular cuprate superconductors; high temperature superconductors; hysteretic DC field induced microwave absorption; hysteretic microwave magnetoabsorption; random fields; Electromagnetic wave absorption; Equations; Granular superconductors; Magnetic flux; Magnetic hysteresis; Saturation magnetization; Superconducting magnets; Superconducting microwave devices; Virtual colonoscopy; Yttrium barium copper oxide;
Journal_Title :
Applied Superconductivity, IEEE Transactions on
