1ST-PRINCIPLES CALCULATION OF THE MAGNETIC-ANISOTROPY ENERGIES OF IRON-BASED METALLIC MULTILAYERS

被引:8
作者
KYUNO, K [1 ]
YAMAMOTO, R [1 ]
ASANO, S [1 ]
机构
[1] UNIV TOKYO,COLL ARTS & SCI,INST PHYS,TOKYO 153,JAPAN
关键词
D O I
10.1088/0965-0393/1/2/002
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
The magnetocrystalline anisotropy energies of X/Fe (X=Pd,Pt,Au,Ag) multilayers have been calculated from first principles within the local-spin-density approximation using the linear muffin-tin orbital (LMTO) method, including spin-orbit coupling. Although the calculated magnetostatic energies favour in-plane magnetization directions, the easy axes of Pd(2ML)/Fe(1ML), AU(2ML)/Fe(1ML) and Ag(2ML)/Fe(1ML) (ML: monolayer) multilayers are perpendicular to the film plane, because of the large electronic contribution to the perpendicular anisotropy. The calculated anisotropy energies of Pd/Fe multilayers decrease with increasing Fe layer thickness, which is in good agreement with experiment.
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页码:133 / 142
页数:10
相关论文
共 24 条
[11]   SPIN ANISOTROPY OF FERROMAGNETIC-FILMS [J].
GAY, JG ;
RICHTER, R .
PHYSICAL REVIEW LETTERS, 1986, 56 (25) :2728-2731
[12]   1ST-PRINCIPLES DETERMINATION OF THE MAGNETIZATION DIRECTION OF FE MONOLAYER IN NOBLE-METALS [J].
GUO, GY ;
TEMMERMAN, WM ;
EBERT, H .
JOURNAL OF PHYSICS-CONDENSED MATTER, 1991, 3 (42) :8205-8212
[13]   ENERGY BANDS IN PERIODIC LATTICES - GREENS FUNCTION METHOD [J].
HAM, FS ;
SEGALL, B .
PHYSICAL REVIEW, 1961, 124 (06) :1786-&
[14]   ELECTRONIC STRUCTURE OF HCP YTTERBIUM [J].
JEPSEN, O ;
ANDERSEN, OK .
SOLID STATE COMMUNICATIONS, 1971, 9 (20) :1763-+
[15]   ELECTRONIC AND MAGNETIC-PROPERTIES OF THIN FERROMAGNETIC-FILMS [J].
KARAS, W ;
NOFFKE, J ;
FRITSCHE, L .
JOURNAL DE CHIMIE PHYSIQUE ET DE PHYSICO-CHIMIE BIOLOGIQUE, 1989, 86 (04) :861-869
[16]   TECHNIQUE FOR RELATIVISTIC SPIN-POLARIZED CALCULATIONS [J].
KOELLING, DD ;
HARMON, BN .
JOURNAL OF PHYSICS C-SOLID STATE PHYSICS, 1977, 10 (16) :3107-3114
[17]   THEORETICAL-STUDY ON THE MAGNETOCRYSTALLINE ANISOTROPY OF X/CO (X = PD, PT, CU, AG, AU) MULTILAYERS [J].
KYUNO, K ;
YAMAMOTO, R ;
ASANO, S .
JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 1992, 61 (06) :2099-2103
[18]   NUMERICAL CALCULATION OF DENSITY OF STATES AND RELATED PROPERTIES [J].
LEHMANN, G ;
TAUT, M .
PHYSICA STATUS SOLIDI B-BASIC RESEARCH, 1972, 54 (02) :469-477
[19]   ELECTRONIC-STRUCTURE AND MAGNETISM OF SURFACES AND INTERFACES - SELECTED EXAMPLES [J].
LI, C ;
FREEMAN, AJ ;
FU, CL .
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, 1990, 83 (1-3) :51-56
[20]  
Mackintosh A.R., 1980, ELECTRONS FERMI SURF