Presentation	1999/3/5 Enhancement of magneto-optical polar Kerr effect in ultraviolet photon energies in TbFeCo/(Pt,Pd) multilayers Y. Itoh, G.N. Phillips, T. Suzuki,
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Abstract(in English)	The magnetic and magneto-optical properties of TbFeCo/(Pt,Pd) multilayer films prepared by sputter-deposition have been studied. The absolute magnitude for the polar Kerr rotation angle of TbFeCo/Pt multilayers increases at ultraviolet photon energis. On the other hand, little contribution from Pd is found in the spectra of TbFeCo/Pd multilayers. The peak of ωσ_" at about 5eVin TbFeCo/Pt multilayers reflrcts the behavior of FePt alloys and shows a much higher value than that of TbFeCo/Pd multilayers. This result implies that the difference of ωσ" spectra between both multilayers reflects the difference in transition betweens Pt 5d and Pd 4d states. A drastic increase in the magnetic moment and ωσ_" spectra suggest the existence of interfacial Fe- Pt and Fe-Pd alloys, and this possibility is supported by a simulation of the Kerr spectra for a proposed model of intefacial regions.
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Keyword(in English)	Multilayer / Magneto-optical polar Kerr effect / Magnetic polarization / Interfacial alloy
Paper #	MR98-112
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Conference Information
Committee	MR
Conference Date	1999/3/5(1days)
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Paper Information
Registration To	Magnetic Recording (MR)
Language	JPN
Title (in Japanese)	(See Japanese page)
Sub Title (in Japanese)	(See Japanese page)
Title (in English)	Enhancement of magneto-optical polar Kerr effect in ultraviolet photon energies in TbFeCo/(Pt,Pd) multilayers
Sub Title (in English)
Keyword(1)	Multilayer
Keyword(2)	Magneto-optical polar Kerr effect
Keyword(3)	Magnetic polarization
Keyword(4)	Interfacial alloy
1st Author's Name	Y. Itoh
1st Author's Affiliation	Information Storage Materials Laboratory, Toyota Technological Institute()
2nd Author's Name	G.N. Phillips
2nd Author's Affiliation	Information Storage Materials Laboratory, Toyota Technological Institute
3rd Author's Name	T. Suzuki
3rd Author's Affiliation	Information Storage Materials Laboratory, Toyota Technological Institute
Date	1999/3/5
Paper #	MR98-112
Volume (vol)	vol.98
Number (no)	631
Page	pp.pp.-
#Pages	7
Date of Issue