ON THE DYNAMICS OF ITINERANT ELECTRON MAGNETS IN THE PARAMAGNETIC STATE

被引：24

作者：

EDWARDS, DM

机构：

[1] Imperial Coll of Science &, Technology, Dep of Mathematics,, London, Engl, Imperial Coll of Science & Technology, Dep of Mathematics, London, Engl

来源：

JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 1984年 / 45卷 / 01期

关键词：

NEUTRONS - Scattering - NICKEL AND ALLOYS - Electronic Properties;

D O I：

10.1016/0304-8853(84)90390-1

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

It is shown how disordered local-moment states, in a metal such as Fe, may be stabilized by constraining magnetic fields. Effective interaction parameters between moments are defined in terms of spin density functional theory. On removing the constraints the moments initially precess but then decay rapidly. The consequences for neutron scattering experiments are discussed and the rather different case of Ni is considered.

引用

页码：151 / 156

页数：6

共 34 条

[1] OBSERVATIONS OF FERROMAGNETIC CORRELATIONS AT HIGH-TEMPERATURES IN PARAMAGNETIC IRON [J].

BROWN, PJ ;

CAPELLMANN, H ;

DEPORTES, J ;

GIVORD, D ;

ZIEBECK, KRA .

JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, 1982, 30 (02) :243-248

[2] PARAMAGNETIC SCATTERING STUDIES OF THE SHORT-RANGE ORDER ABOVE TC IN 3D TRANSITION-METAL COMPOUNDS AND PURE IRON [J].

BROWN, PJ ;

DEPORTES, J ;

GIVORD, D ;

ZIEBECK, KRA .

JOURNAL OF APPLIED PHYSICS, 1982, 53 (03) :1973-1978

[3] CALCULATIONS OF THE DYNAMIC SUSCEPTIBILITY OF NICKEL AND IRON [J].

COOKE, JF ;

LYNN, JW ;

DAVIS, HL .

PHYSICAL REVIEW B, 1980, 21 (09) :4118-4131

[4] IRON ABOVE THE CURIE-TEMPERATURE [J].

EDWARDS, DM .

JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, 1983, 36 (03) :213-216

[5] THE PARAMAGNETIC STATE OF ITINERANT ELECTRON-SYSTEMS WITH LOCAL MAGNETIC-MOMENTS .1. STATIC PROPERTIES [J].

EDWARDS, DM .

JOURNAL OF PHYSICS F-METAL PHYSICS, 1982, 12 (08) :1789-1810

[6] SINGLE-SITE FUNCTIONAL-INTEGRAL APPROACH TO ITINERANT-ELECTRON FERROMAGNETISM [J].

HASEGAWA, H .

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 1979, 46 (05) :1504-1514

[7] WAVE VECTOR DEPENDENT SPIN SUSCEPTIBILITY OF IRON ABOVE THE CURIE-TEMPERATURE [J].

HASEGAWA, H .

JOURNAL OF PHYSICS F-METAL PHYSICS, 1983, 13 (12) :2655-2675

[8] WAVEVECTOR-DEPENDENT SPIN SUSCEPTIBILITY OF NICKEL ABOVE THE CURIE-TEMPERATURE [J].

HASEGAWA, H .

JOURNAL OF PHYSICS F-METAL PHYSICS, 1984, 14 (05) :1235-1247

[9] SINGLE-SITE SPIN FLUCTUATION THEORY OF ITINERANT-ELECTRON SYSTEMS WITH NARROW BANDS .2. IRON AND NICKEL [J].

HASEGAWA, H .

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 1980, 49 (03) :963-971

[10] THEORY OF LOCAL MAGNETIC-MOMENTS IN TRANSITION-METALS [J].

HEINE, V ;

SAMSON, JH ;

NEX, CMM .

JOURNAL OF PHYSICS F-METAL PHYSICS, 1981, 11 (12) :2645-2662

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