Journal
JAPANESE JOURNAL OF APPLIED PHYSICS
Volume 52, Issue 7, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.7567/JJAP.52.073002
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Funding
- Funding Program for World-Leading Innovative R&D on Science and Technology (FIRST Program), WPI program (MEXT)
- Grants-in-Aid for Scientific Research [24686001] Funding Source: KAKEN
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Fast magnetization precession was observed in L1(0)-FePt thin films with different L1(0) order parameter values by all optical pump-probe technique. Precession frequency was varied widely for the films with different order parameter, which is due to large difference in perpendicular magnetic anisotropy. Gilbert damping constant (alpha) was estimated from relaxation time as apparent damping. Clear difference in alpha was not observed with different perpendicular magnetic anisotropy. (C) 2013 The Japan Society of Applied Physics
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