auger electron spectroscopy;
cobalt;
alloys;
interface states;
low energy electron diffraction (LEED);
magnetic measurements;
silver;
platinum;
D O I:
10.1016/S0039-6028(01)01610-7
中图分类号:
O64 [物理化学(理论化学)、化学物理学];
学科分类号:
070304 ;
081704 ;
摘要:
Some interesting magnetic properties were observed after Ag ultrathin films were deposited on Co/Pt(111). The spin reversal of Co can be prevented when Ag atoms cap Co on Pt(111). The out-of-plane magnetization has a significant enhancement after annealing at high temperature. The Curie temperature increases from 625 to 710 K as 1 ML of Ag is deposited on I ML Co/Pt(111). The change of surface anisotropy and the formation of a Co-Pt alloy are possible mechanisms for the magnetization enhancement. (C) 2001 Elsevier Science B.V. All rights reserved.
机构:
Ind Technol Res Inst, Nanotechnol Res Ctr, Hsinchu 310, Taiwan
Ind Technol Res Inst, Mat & Chem Res Labs, Hsinchu 310, TaiwanNatl Tsing Hua Univ, Dept Mat Sci & Engn, Hsinchu 300, Taiwan
机构:
Univ Tunis El Manar, Fac Sci Tunis, Lab Mat Org & Proprietes, Tunis 2092, El Manar, Tunisia
Univ Monastir, Plateforme Rech Sci & Technol, Monastir, TunisiaUniv Tunis El Manar, Fac Sci Tunis, Lab Mat Org & Proprietes, Tunis 2092, El Manar, Tunisia
Belkacem, W.
Belhi, R.
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机构:
Univ Tunis El Manar, Fac Sci Tunis, Lab Mat Org & Proprietes, Tunis 2092, El Manar, Tunisia
Univ Carthage, Fac Sci Bizerte, Carthage, TunisiaUniv Tunis El Manar, Fac Sci Tunis, Lab Mat Org & Proprietes, Tunis 2092, El Manar, Tunisia
Belhi, R.
Mliki, N. Thabet
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机构:
Univ Tunis El Manar, Fac Sci Tunis, Lab Mat Org & Proprietes, Tunis 2092, El Manar, TunisiaUniv Tunis El Manar, Fac Sci Tunis, Lab Mat Org & Proprietes, Tunis 2092, El Manar, Tunisia
机构:
High Energy Accelerator Res Org, Inst Mat Struct Sci, Tsukuba, Ibaraki 3050801, JapanHigh Energy Accelerator Res Org, Inst Mat Struct Sci, Tsukuba, Ibaraki 3050801, Japan
Sakamaki, M.
Amemiya, K.
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机构:
High Energy Accelerator Res Org, Inst Mat Struct Sci, Tsukuba, Ibaraki 3050801, JapanHigh Energy Accelerator Res Org, Inst Mat Struct Sci, Tsukuba, Ibaraki 3050801, Japan