Spin configuration and magnetization process in dysprosium

Enz, U.

doi:10.1016/0031-8914(60)90059-8

Cited by 59 publications

(9 citation statements)

References 3 publications

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“…For rare-earth metals, the magnetoelastic interactions are large. [3][4][5][6] Compression of gadolinium is seen to lead to a suppression of T c , 3,6 while expansion leads to an increase of T c . 7,8 Not only does strain affect the magnetic properties, as now detailed fairly extensively for the perovskites, [9][10][11][12][13][14][15][16][17] but it has long been established that the lattice constant has a profound influence on the electronic structure, 18 -20 even for the thinnest of thin films.…”

Section: Introductionmentioning

confidence: 99%

Band structure of strained Gd(0001) films

2002

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The electronic structure of strained and unstrained Gd͑0001͒ surfaces has been studied both theoretically and experimentally with spin-polarized photoemission spectroscopy and spin-polarized inverse photoemission spectroscopy. Good agreement between calculated surface bands and surface-induced features of the spectra provides the basis for a more detailed explanation of the origin of the spin-polarized bands than was previously possible. It has been found that observed relaxation of the expansively strained in-plane crystal lattice constant, of Gd͑0001͒ on Mo͑112͒, significantly affects the electronic structure of the surface.

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Section: Introductionmentioning

confidence: 99%

Band structure of strained Gd(0001) films

2002

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“…Без учета легкоплоскостной анизотропии расчет такой структуры в гек сагональном кристалле проведен в [91]. Магнитные моменты каждой кри сталлической плоскости, связанные сильным обменным взаимодействием, описывались одним азимутальным углом Между соседними плоскостями предполагалось ферромагнитное обменное взаимодействие, а между плоско стями через одну -антиферромагнитное.…”

Section: 22unclassified

“…Из этой модели следует, что раз рушение геликоидальной структуры магнитным полем должно происходить в два этапа: в доле Н 1 скачкообразно разрушается геликоид, и возникает веерная ферромагнитная структура; с дальнейшим ростом поля угол раствора веера уменьшается, и в поле магнитные моменты атомов ори ентируются вдоль Из экспериментальных данных [66,67] следует, что при разрушение геликоида не всегда сопровождается образованием ве ерной структуры -при T < 125 К веерная фаза в этой ориентации, по ви димому, не реализуется. В то же время при Т > 115 К расчет [91] находится в удовлетворительном согласии с экспериментом. Исчезновение веерной фазы при приближении к Т 1 связано с влиянием легкоплоскостной анизотропии, быстро возрастающей с понижением температуры [92].…”

Section: 22unclassified

Electromagnetic generation of ultrasound in ferromagnets

Buchelnikov¹,

Васильев²

1992

Usp. Fiz. Nauk

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“…This general magnetic structure contains the planar ferromagnet, the planar spiral and the nonplanar ferromagnet as special cases. Excluded from the theory are the distorted spiral and fan structures which result when a helical spin structure is placed in a magnetic field perpendicular to the hexagonal axis (Enz 1960), Elliott 1963, Nagamiya 1967).…”

Section: Scope Of Thesismentioning

confidence: 99%

Theory of Spin Waves in the Heavy Rare Earth Metals

Goodings¹,

Southern²

1971

Can. J. Phys.

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A theory of spin waves for the spin structures found in the rare earth metals of hcp crystal structure is described.The theory is developed for the conical spiral spin structure which contains the planar spiral, the nonplanar ferromagnet and the planar ferromagnet as special cases.Included in the Hamiltonian are isotropic and anisotropic exchange interactions, single-ion crystal field terms, and magnetoelastic terms, both of the single-ion type and the two-ion type.Equations of motion for the spin operators are linearized with the help of the random phase approximation which makes it possible to express some spin-wave interaction effects in terms of powers of the reduced magnetization. Expressions for the spin-wave energies are given for the four structures under consideration.ii ACKNOWLEDGEMENTS I wish to thank my research supervisor, Dr. D. A.Gooding~, for his valuable suggestions and assistance in this investigation.I would also like to acknowledge an enlightening discussion of the conical spiral spin structure with

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Spin configuration and magnetization process in dysprosium

Cited by 59 publications

References 3 publications

Band structure of strained Gd(0001) films

Band structure of strained Gd(0001) films

Electromagnetic generation of ultrasound in ferromagnets

Theory of Spin Waves in the Heavy Rare Earth Metals

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