Finite-size effects and uncompensated magnetization in thin antiferromagnetic CoO layers

被引：329

作者：

Ambrose, T

Chien, CL

机构：

[1] Department of Physics and Astronomy, Johns Hopkins University, Baltimore, MD

来源：

PHYSICAL REVIEW LETTERS | 1996年 / 76卷 / 10期

关键词：

D O I：

10.1103/PhysRevLett.76.1743

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Finite-size effects in CoO, an antiferromagnetic insulator with localized moments, have been observed in CoO/SiO2 multilayers. The Neel temperatures of the CoO layers, as determined by de susceptibility measurements, show a finite-size scaling relation with a shift exponent lambda = 1.55 +/- 0.05. increased magnetization with an oscillation in magnitude, due to uncompensated antiferromagnetic layers, has also been observed.

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页码：1743 / 1746

页数：4

相关论文

共 23 条

[1] SURFACE EFFECTS ON MAGNETIC PHASE-TRANSITIONS [J].

BINDER, K ;

HOHENBERG, PC .

PHYSICAL REVIEW B, 1974, 9 (05) :2194-2214

[2] STATIC CRITICAL-BEHAVIOR OF 3-DIMENSIONAL CLASSICAL HEISENBERG MODELS - A HIGH-RESOLUTION MONTE-CARLO STUDY [J].

CHEN, K ;

FERRENBERG, AM ;

LANDAU, DP .

PHYSICAL REVIEW B, 1993, 48 (05) :3249-3256

[3] THICKNESS-DEPENDENT CURIE-TEMPERATURE OF GD(0001)/W(110) AND ITS DEPENDENCE ON THE GROWTH-CONDITIONS [J].

FARLE, M ;

BABERSCHKE, K ;

STETTER, U ;

ASPELMEIER, A ;

GERHARDTER, F .

PHYSICAL REVIEW B, 1993, 47 (17) :11571-11574

[4] CRITICAL-BEHAVIOR OF THE 3-DIMENSIONAL ISING-MODEL - A HIGH-RESOLUTION MONTE-CARLO STUDY [J].

FERRENBERG, AM ;

LANDAU, DP .

PHYSICAL REVIEW B, 1991, 44 (10) :5081-5091

[5] SCALING THEORY FOR FINITE-SIZE EFFECTS IN CRITICAL REGION [J].

FISHER, ME ;

BARBER, MN .

PHYSICAL REVIEW LETTERS, 1972, 28 (23) :1516-&

[6] SUPPRESSION OF BIQUADRATIC COUPLING IN FE/CR(001) SUPERLATTICES BELOW THE NEEL TRANSITION OF CR [J].

FULLERTON, EE ;

RIGGS, KT ;

SOWERS, CH ;

BADER, SD ;

BERGER, A .

PHYSICAL REVIEW LETTERS, 1995, 75 (02) :330-333

[7] EVIDENCE OF DIMENSIONAL CROSSOVER OF THE SPIN-GLASS TRANSITION IN THIN CUMN MULTILAYERS [J].

GAVRIN, A ;

CHILDRESS, JR ;

CHIEN, CL ;

MARTINEZ, B ;

SALAMON, MB .

PHYSICAL REVIEW LETTERS, 1990, 64 (20) :2438-2441

[8] EQUIVALENT TYPE-II MAGNETIC-STRUCTURES - COO, A COLLINEAR ANTI-FERROMAGNET [J].

HERRMANNRONZAUD, D ;

BURLET, P ;

ROSSATMIGNOD, J .

JOURNAL OF PHYSICS C-SOLID STATE PHYSICS, 1978, 11 (10) :2123-2137

[9] ARTIFICIAL METALLIC SUPERLATTICES [J].

JIN, BY ;

KETTERSON, JB .

ADVANCES IN PHYSICS, 1989, 38 (03) :189-366

[10] FINITE-SIZE EFFECTS IN A CUMN SPIN-GLASS [J].

KENNING, GG ;

SLAUGHTER, JM ;

COWEN, JA .

PHYSICAL REVIEW LETTERS, 1987, 59 (22) :2596-2599