Enhanced in-plane magnetic anisotropies of ultrathin Pt/Co/Pt films

被引：4

作者：

Oikawa, S ^{[1
]}

Kato, Y ^{[1
]}

Iwata, S ^{[1
]}

Tsunashima, S ^{[1
]}

机构：

[1] NAGOYA UNIV,DEPT ELECT,CHIKUSA KU,NAGOYA,AICHI 46401,JAPAN

来源：

JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 1997年 / 165卷 / 1-3期

关键词：

thin film - sandwich; torque curve; anisotropy; -; in-plane; crystal structure; surface roughness;

D O I：

10.1016/S0304-8853(96)00567-7

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Pt/Co/Pt sandwich films grown on single-crystal MgO substrates have been found to show an anomalous enhancement of the in-plane magnetic anisotropy for ultrathin Co layers below 1 nm. The in-plane sixfold anisotropy of (111)-oriented films yielded a maximum value of about - 1 x 10(6) erg/cm(3) for 1 nm thickness, which is two orders of magnitude larger than that of fee Co. For samples with (100) orientation, in-plane fourfold anisotropy increases with decreasing Co layer thickness, showing a maximum value of + 1.9 x 10(6) erg/cm(3) at a thickness of one monolayer.

引用

页码：394 / 397

页数：4

共 7 条

[1] PERPENDICULAR MAGNETIC-ANISOTROPY IN PD/CO AND PT/CO THIN-FILM LAYERED STRUCTURES [J].

CARCIA, PF .

JOURNAL OF APPLIED PHYSICS, 1988, 63 (10) :5066-5073

[2] MAGNETIC AND STRUCTURAL-PROPERTIES OF CO/PT MULTILAYERS [J].

LIN, CJ ;

GORMAN, GL ;

LEE, CH ;

FARROW, RFC ;

MARINERO, EE ;

DO, HV ;

NOTARYS, H ;

CHIEN, CJ .

JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, 1991, 93 :194-206

[3] STRUCTURES OF CO/AG METALLIC SUPERLATTICES GROWN BY MOLECULAR-BEAM EPITAXY [J].

SAKAI, K ;

KINGETSU, T .

JOURNAL OF CRYSTAL GROWTH, 1993, 126 (2-3) :184-198

[4] MAGNETIC AND MAGNETOOPTIC PROPERTIES OF THICK FACE-CENTERED-CUBIC CO SINGLE-CRYSTAL FILMS [J].

SUZUKI, T ;

WELLER, D ;

CHANG, CA ;

SAVOY, R ;

HUANG, T ;

GURNEY, BA ;

SPERIOSU, V .

APPLIED PHYSICS LETTERS, 1994, 64 (20) :2736-2738

[5]

WELLER D, 1993, MATER RES SOC SYMP P, V313, P791

[6] GROWTH AND MAGNETIC CHARACTERIZATION OF FACE-CENTERED-CUBIC CO ON (001) DIAMOND [J].

WOLF, JA ;

KREBS, JJ ;

PRINZ, GA .

APPLIED PHYSICS LETTERS, 1994, 65 (08) :1057-1059

[7] PERPENDICULAR MAGNETIC-ANISOTROPY AND MAGNETO-OPTICAL KERR EFFECT OF VAPOR-DEPOSITED CO/PT-LAYERED STRUCTURES [J].

ZEPER, WB ;

GREIDANUS, FJAM ;

CARCIA, PF ;

FINCHER, CR .

JOURNAL OF APPLIED PHYSICS, 1989, 65 (12) :4971-4975

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