SPIN-WAVES IN SUPERLATTICES WITH EXCHANGE COUPLING BETWEEN NEAREST AND NEXT-NEAREST NEIGHBORS

被引:9
作者
BARNAS, J [1 ]
HILLEBRANDS, B [1 ]
机构
[1] RHEIN WESTFAL TH AACHEN,INST PHYS 2,W-5100 AACHEN,GERMANY
来源
PHYSICA STATUS SOLIDI B-BASIC RESEARCH | 1993年 / 176卷 / 02期
关键词
D O I
10.1002/pssb.2221760220
中图分类号
O469 [凝聚态物理学];
学科分类号
070205 ;
摘要
The spin-wave spectrum of infinite ferromagnetic superlattices composed of two b.c.c. materials with exchange coupling between nearest and next-nearest neighbours is analysed theoretically in the exchange-dominated region. The appropriate dispersion equations are derived by the transfer matrix method. Some numerical examples are presented for superlattices with (100) interfaces.
引用
收藏
页码:465 / 475
页数:11
相关论文
共 17 条
[1]   SPIN-WAVES IN A MAGNETIC SUPERLATTICE [J].
ALBUQUERQUE, EL ;
FULCO, P ;
SARMENTO, EF ;
TILLEY, DR .
SOLID STATE COMMUNICATIONS, 1986, 58 (01) :41-44
[2]   EFFECTIVE-MEDIUM THEORY OF LONG-WAVELENGTH SPIN-WAVES IN MAGNETIC SUPERLATTICES [J].
ALMEIDA, NS ;
MILLS, DL .
PHYSICAL REVIEW B, 1988, 38 (10) :6698-6710
[3]  
ALMEIDA NS, IN PRESS
[4]   EXCHANGE MODES IN FERROMAGNETIC SUPERLATTICES [J].
BARNAS, J .
PHYSICAL REVIEW B, 1992, 45 (18) :10427-10437
[5]   SPIN-WAVES IN SUPERLATTICES .1. GENERAL DISPERSION EQUATIONS FOR EXCHANGE, MAGNETOSTATIC AND RETARDED MODES [J].
BARNAS, J .
JOURNAL OF PHYSICS C-SOLID STATE PHYSICS, 1988, 21 (05) :1021-1036
[6]   SPIN-WAVES IN SUPERLATTICES .4. THE EXCHANGE-DOMINATED REGION [J].
BARNAS, J .
JOURNAL OF PHYSICS-CONDENSED MATTER, 1992, 4 (20) :4849-4855
[7]   TRANSFER-MATRIX FORMALISM FOR RETARDED WAVES IN LAYERED MAGNETIC-STRUCTURES - BULK AND SURFACE-MODES [J].
BARNAS, J .
PHYSICA STATUS SOLIDI B-BASIC RESEARCH, 1991, 165 (02) :529-537
[8]   MAGNETIC EXCITATIONS IN LAYERED MEDIA - SPIN-WAVES AND THE LIGHT-SCATTERING SPECTRUM [J].
CAMLEY, RE ;
RAHMAN, TS ;
MILLS, DL .
PHYSICAL REVIEW B, 1983, 27 (01) :261-277
[9]   THEORY OF BULK AND SURFACE MAGNONS IN HEISENBERG FERROMAGNETIC SUPERLATTICES [J].
DOBRZYNSKI, L ;
DJAFARIROUHANI, B ;
PUSZKARSKI, H .
PHYSICAL REVIEW B, 1986, 33 (05) :3251-3256
[10]   SPIN-WAVE SPECTRUM IN UNIAXIAL FERROMAGNETIC THIN-FILMS WITH NEAREST-NEIGHBOR AND NEXT-NEAREST-NEIGHBOR EXCHANGE COUPLINGS [J].
DUDA, A .
PHYSICA STATUS SOLIDI B-BASIC RESEARCH, 1986, 138 (02) :509-519