“…Earlier, a significant low- PHYSICAL REVIEW B 1 SEPTEMBER 1996-I VOLUME 54, NUMBER 9 54 0163-1829/96/54͑9͒/6019͑4͒/$10.00 6019 © 1996 The American Physical Society temperature value of the internal friction was found in Dy, 18 Er, and Gd-Dy alloys. 19,20 In Ref. 21, this was explained by the energy loss due to motion of narrow domain walls with high intrinsic coercivity caused by alternative mechanical strains.…”