Multiferroics: Different Ways to Combine Magnetism and Ferroelectricity
TLDR
In this article, a survey of microscopic factors determining the coexistence of magnetite and ferroelectricity is given, and different possible routes to combine them in one material are discussed, in particular, the role of the occupation of d-states in transition metal perovskites, possible role of spiral magnetic structures, and the mechanism of ferro electricity in magnetic systems due to combination of site-centered and bond-centred charge ordering.Abstract:
Multiferroics — materials which are simultaneously (ferro)magnetic and ferroelectric, and often also ferroelastic — attract now considerable attention, both because of the interesting physics involved and as they promise important practical applications. In this paper, I give a survey of microscopic factors determining the coexistence of these properties, and discuss different possible routes to combine them in one material. In particular, the role of the occupation of d-states in transition metal perovskites is discussed, possible role of spiral magnetic structures is stressed, and the novel mechanism of ferroelectricity in magnetic systems due to combination of site-centred and bond-centred charge ordering is presented. Microscopic nature of multiferroic behaviour in several particular materials, including magnetite Fe 3 O 4 , is discussed.read more
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Interplay between magnetic and dielectric phenomena at transition metal oxide interfaces
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TL;DR: In this paper, the authors used X-ray ReFusion and Vibrating Sample Magnetometry (VSM) to determine the magnetic properties of perovskite oxide materials.
Grenzflächenphenomäne in La$_{1/3}$Sr$_{2/3}$FeO$_3$ / La$_{2/3}$Sr$_{1/3}$MnO$_3$ Heterostrukturen und eine Suche nach p-Elektron Magnetismus
TL;DR: Dissertation, RWTH Aachen University, 2017; as discussed by the authors, 1 Online-Ressource (ix, 205 Seiten) : Illustrationen, Diagramme (2017).
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Multiferroics: different ways to combine magnetism and ferroelectricity
TL;DR: In this article, a survey of microscopic factors determining the coexistence of magnetite and ferroelectricity is given, and different possible routes to combine them in one material are discussed, in particular, the role of the occupation of d-states in transition metal perovskites, possible role of spiral magnetic structures, and the mechanism of ferro electricity in magnetic systems due to combination of site-centered and bond-centred charge ordering.