Title :
Magnetostriction of rare earth2-iron17compounds
Author :
Mori, K. ; Hathaway, K. ; Clark, A.
Author_Institution :
American University, Washington, DC
fDate :
9/1/1983 12:00:00 AM
Abstract :
The magnetostrictions of polycrystal R2Fe17compounds (R=Y,Pr,Sm,Tb,Dy,Ho,Er, and Tm) were measured in the temperature range from 4.2K to 340K in magnetic fields up to 25kOe. Pr2Fe17exhibited the highest magnetostriction at OK of all the compounds studied: λt(0) = 1250 × 10-6. For R=Pr,Ho,Er, and Tm compounds the volume magnetostriction and thermal expansion coefficients were measured near the magnetic ordering temperature Tc. These are compared using classical thermodynamic theory.
Keywords :
Magnetic thermal factors; Magnetostriction; Rare-earth materials/devices; Crystallization; Heat treatment; Iron; Magnetic field measurement; Magnetostriction; Saturation magnetization; Temperature distribution; Temperature measurement; Thermal expansion; Volume measurement;
Journal_Title :
Magnetics, IEEE Transactions on
DOI :
10.1109/TMAG.1983.1062622
