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Ab initio Theory of Magnetic Ordering = Electronic Origin of Pair- and Multi-Spin Interactions /

紀錄類型:	書目-語言資料,印刷品 : Monograph/item
正題名/作者:	Ab initio Theory of Magnetic Ordering/ by Eduardo Mendive Tapia.
其他題名:	Electronic Origin of Pair- and Multi-Spin Interactions /
作者:	Mendive Tapia, Eduardo.
面頁冊數:	XVIII, 131 p. 35 illus., 34 illus. in color.online resource. :
Contained By:	Springer Nature eBook
標題:	Magnetism. -
電子資源:	https://doi.org/10.1007/978-3-030-37238-5
ISBN:	9783030372385

Ab initio Theory of Magnetic Ordering = Electronic Origin of Pair- and Multi-Spin Interactions /
Mendive Tapia, Eduardo.

Ab initio Theory of Magnetic OrderingElectronic Origin of Pair- and Multi-Spin Interactions /[electronic resource] :by Eduardo Mendive Tapia. - 1st ed. 2020. - XVIII, 131 p. 35 illus., 34 illus. in color.online resource. - Springer Theses, Recognizing Outstanding Ph.D. Research,2190-5053. - Springer Theses, Recognizing Outstanding Ph.D. Research,.

Introduction -- Ab-initio Theory of Electronic Structure -- Disordered Local Moment Theory and Fast Electronic Responses -- Minimisation of the Gibbs Free Energy: Magnetic Phase Diagrams and Caloric Eﬀects -- Pair- and Four- Spin Interactions in the Heavy Rare Earth Elements -- Frustrated Magnetism in Mn-based Antiperovskite Mn3GaN -- Summary and Outlook -- Appendix.

Many technological applications exploit a variety of magnetic structures, or magnetic phases, to produce and optimise solid-state functionality. However, most research advances are restricted to a reduced number of phases owing to computational and resource constraints. This thesis presents an ab-initio theory to efficiently describe complex magnetic phases and their temperature-dependent properties. The central assumption is that magnetic phases evolve slowly compared with the underlying electronic structure from which they emerge. By describing how the electronic structure adapts to the type and extent of magnetic order, a theory able to describe multi-spin correlations and their effect on the magnetism at finite temperature is obtained. It is shown that multi-spin correlations are behind the temperature and magnetic field dependence of the diverse magnetism in the heavy rare earth elements. Magnetically frustrated Mn-based materials and the effect of strain are also investigated. These studies demonstrate that the performance of solid-state refrigeration can be enhanced by multi-spin effects.

ISBN: 9783030372385

Standard No.: 10.1007/978-3-030-37238-5doiSubjects--Topical Terms:

579937
Magnetism.

LC Class. No.: QC750-766

Dewey Class. No.: 538

Ab initio Theory of Magnetic Ordering = Electronic Origin of Pair- and Multi-Spin Interactions /
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