DocumentCode
2267290
Title
Ultrafast demagnetization dynamics in TbFeCo high-density magneto-optical recording films
Author
Lai, Tianshu ; Liu, Xiaodong ; Hu, Haining ; Gao, Ruixin ; Zhou, Shiming
Author_Institution
Dept. of Phys., Zhongshan (Sun Yat-Sen) Univ., Guangzhou
fYear
2008
fDate
4-9 May 2008
Firstpage
1
Lastpage
2
Abstract
Ultrafast demagnetization processes of TbFeCo films are studied. Dynamic hysteresis loops measured at different pump-probe delayed times shows that the ultrafast demagnetization originates from electron spin relaxation instead of electron-lattice heat exchange.
Keywords
demagnetisation; magnetic hysteresis; magnetic thin films; magneto-optical recording; optical films; terbium compounds; TbFeCo; dynamic hysteresis loops; electron lattice heat exchange; electron spin relaxation; high density magneto optical recording films; pump probe delayed times; ultrafast demagnetization dynamics; Delay effects; Demagnetization; Electrons; Laser excitation; Magnetic field measurement; Magnetic films; Magnetic hysteresis; Magnetization; Magnetooptic recording; Optical films; (300.6500) Time-resolved spectroscopy; (320.7130) Ultrafast processes in condensed matter;
fLanguage
English
Publisher
iet
Conference_Titel
Lasers and Electro-Optics, 2008 and 2008 Conference on Quantum Electronics and Laser Science. CLEO/QELS 2008. Conference on
Conference_Location
San Jose, CA
Print_ISBN
978-1-55752-859-9
Type
conf
Filename
4572855
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