MAGNETIC-ORDERING OF CR LAYERS ON FE(100)

被引：110

作者：

WALKER, TG

PANG, AW

HOPSTER, H

ALVARADO, SF

机构：

[1] UNIV CALIF IRVINE,INST SURFACE & INTERFACE SCI,IRVINE,CA 92717

[2] IBM CORP,DIV RES,ZURICH RES LAB,CH-8803 RUSCHLIKON,SWITZERLAND

来源：

PHYSICAL REVIEW LETTERS | 1992年 / 69卷 / 07期

关键词：

D O I：

10.1103/PhysRevLett.69.1121

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The magnetic ordering at the surface of epitaxial Cr overlayers on Fe(100) is studied by spin-polarized electron-energy-loss spectroscopy. The exchange asymmetry oscillates with the thickness of the Cr overlayer with a period of about two atomic layers, proving directly that the surface Cr layer has a net ferromagnetic moment and that successive layers order antiferromagnetically. The exchange asymmetry is predominantly due to spin-flip scattering. The spin-flip spectrum broadens toward lower energy with increasing thickness, suggesting that Cr may have a surface-enhanced magnetic moment.

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页码：1121 / 1124

页数：4

相关论文

共 30 条

[1] SPIN-POLARIZED ELECTRON-ENERGY-LOSS SPECTROSCOPY ON NI [J].

ABRAHAM, DL ;

HOPSTER, H .

PHYSICAL REVIEW LETTERS, 1989, 62 (10) :1157-1160

[2] MAGNETISM AND EPITAXY OF FE/CR(001) MULTILAYERS [J].

ALVARADO, SF ;

CARBONE, C .

PHYSICA B & C, 1988, 149 (1-3) :43-48

[3] GIANT MAGNETORESISTANCE OF (001)FE/(001) CR MAGNETIC SUPERLATTICES [J].

BAIBICH, MN ;

BROTO, JM ;

FERT, A ;

VANDAU, FN ;

PETROFF, F ;

EITENNE, P ;

CREUZET, G ;

FRIEDERICH, A ;

CHAZELAS, J .

PHYSICAL REVIEW LETTERS, 1988, 61 (21) :2472-2475

[4] RUDERMAN-KITTEL COUPLING BETWEEN FERROMAGNETS SEPARATED BY A NONMAGNETIC LAYER [J].

BALTENSPERGER, W ;

HELMAN, JS .

APPLIED PHYSICS LETTERS, 1990, 57 (27) :2954-2955

[5] CONCURRENT ENHANCEMENT OF KERR ROTATION AND ANTIFERROMAGNETIC COUPLING IN EPITAXIAL FE/CU/FE STRUCTURES [J].

BENNETT, WR ;

SCHWARZACHER, W ;

EGELHOFF, WF .

PHYSICAL REVIEW LETTERS, 1990, 65 (25) :3169-3172

[6] ENHANCED MAGNETORESISTANCE IN LAYERED MAGNETIC-STRUCTURES WITH ANTIFERROMAGNETIC INTERLAYER EXCHANGE [J].

BINASCH, G ;

GRUNBERG, P ;

SAURENBACH, F ;

ZINN, W .

PHYSICAL REVIEW B, 1989, 39 (07) :4828-4830

[7] OSCILLATORY INTERLAYER MAGNETIC COUPLING OF SPUTTERED FE/MO SUPERLATTICES [J].

BRUBAKER, ME ;

MATTSON, JE ;

SOWERS, CH ;

BADER, SD .

APPLIED PHYSICS LETTERS, 1991, 58 (20) :2306-2308

[8] OSCILLATORY COUPLING BETWEEN FERROMAGNETIC LAYERS SEPARATED BY A NONMAGNETIC METAL SPACER [J].

BRUNO, P ;

CHAPPERT, C .

PHYSICAL REVIEW LETTERS, 1991, 67 (12) :1602-1605

[9] THEORY OF GIANT MAGNETORESISTANCE EFFECTS IN MAGNETIC LAYERED STRUCTURES WITH ANTIFERROMAGNETIC COUPLING [J].

CAMLEY, RE ;

BARNAS, J .

PHYSICAL REVIEW LETTERS, 1989, 63 (06) :664-667

[10] ANTIPARALLEL COUPLING BETWEEN FE LAYERS SEPARATED BY A CR INTERLAYER - DEPENDENCE OF THE MAGNETIZATION ON THE FILM THICKNESS [J].

CARBONE, C ;

ALVARADO, SF .

PHYSICAL REVIEW B, 1987, 36 (04) :2433-2435