Presentation 1998/3/5
Effect of Pt in TbFeCo on magnetic and magneto-optical properties
Y. Itoh, T. Suzuki,
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Abstract(in English) The effect of Pt additives in TbFeCo(Pt)/Pt multilayers on magnetic and magneto-optical properties is investigated. The perpendicular magnetic anisotropy constant K_u of the multilayers becomes larger(~2.5×10^6erg/cm^3)with Pt layers than that of a TbFeCo(Pt)single layer. Also, Pt layers are found to contribute significantly to the polar Kerr spectra at ultra-violet photon energise beyond 3 eV. The Kerr rotation θ_k and ellipticity η_k are enhanced with increasing Pt layer-thickness t_Pν and become saturated at t_Pt=12 Å. This result implies that Pt atoms up to about 6 Å from the interfaces are contributing to the Kerr activity. The largest enhancement in the Kerr rotation θ_k is found at about 5 eV.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) Magneto-optical / Pt layer / TbFeCo / Multilayer / Ultra-violet
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Committee MR
Conference Date 1998/3/5(1days)
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Registration To Magnetic Recording (MR)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Effect of Pt in TbFeCo on magnetic and magneto-optical properties
Sub Title (in English)
Keyword(1) Magneto-optical
Keyword(2) Pt layer
Keyword(3) TbFeCo
Keyword(4) Multilayer
Keyword(5) Ultra-violet
1st Author's Name Y. Itoh
1st Author's Affiliation Information Storage Materials Laboratory, Toyota Technological Institute()
2nd Author's Name T. Suzuki
2nd Author's Affiliation Information Storage Materials Laboratory, Toyota Technological Institute
Date 1998/3/5
Paper #
Volume (vol) vol.97
Number (no) 573
Page pp.pp.-
#Pages 7
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