Optical Studies of Ordering Phenomena in Manganese Oxides PDF Download
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Author: Stefan Naler
Publisher: Cuvillier Verlag
ISBN: 3865373852
Category :
Languages : en
Pages : 143
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Book Description
Author: Stefan Naler
Publisher: Cuvillier Verlag
ISBN: 3865373852
Category :
Languages : en
Pages : 143
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Book Description
Author:
Publisher: Cuvillier Verlag
ISBN: 3736913850
Category : Science
Languages : en
Pages : 142
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Book Description
Author: Danny Chan
Publisher: Cuvillier Verlag
ISBN: 3865375057
Category :
Languages : en
Pages : 133
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Book Description
Author: C N R Rao
Publisher: World Scientific
ISBN: 9814496871
Category : Science
Languages : en
Pages : 355
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Book Description
Metal oxides constitute one of the most amazing classes of materials with a wide range of properties. They exhibit a variety of phenomena, such as ferroelectricity, ferromagnetism and superconductivity.A new aspect of metal oxides — colossal magnetoresistance exhibited by certain manganese oxides, in particular rare earth manganates of perovskite structure — has received much attention in the last four years. Some of these oxides show 100% magnetoresistance and have much potential for technological applications. Previously this phenomenon was found only in layered and granular metallic materials. Studies of colossal magnetoresistance have led to the discovery of many other new phenomena and properties such as charge ordering and orbital ordering.In view of the importance of colossal magnetoresistance, charge ordering and related phenomena exhibited by oxides to the physics and chemistry of solid materials, it is necessary and timely to have a book dealing with these topics. This book begins with a review of the subject followed by contributions from a number of experts which cover the present status of the subject.
Author: Chintamani Nagesa Ramachandra Rao
Publisher: World Scientific
ISBN: 9789810232764
Category : Science
Languages : en
Pages : 364
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Book Description
Metal oxides constitute one of the most amazing classes of materials with a wide range of properties. They exhibit a variety of phenomena, such as ferroelectricity, ferromagnetism and superconductivity. A new aspect of metal oxides -- colossal magnetoresistance exhibited by certain manganese oxides, in particular rare earth manganates of perovskite structure -- has received much attention in the last four years. Some of these oxides show 100% magnetoresistance and have much potential for technological applications. Previously this phenomenon was found only in layered and granular metallic materials. Studies of colossal magnetoresistance have led to the discovery of many other new phenomena and properties such as charge ordering and orbital ordering. In view of the importance of colossal magnetoresistance, charge ordering and related phenomena exhibited by oxides to the physics and chemistry of solid materials, it is necessary and timely to have a book dealing with these topics. This book begins with a review of the subject followed by contributions from a number of experts which cover the present status of the subject.
Author: Haifeng Li
Publisher: Forschungszentrum Jülich
ISBN: 3893365273
Category :
Languages : en
Pages : 193
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Book Description
Author:
Publisher:
ISBN:
Category : Nuclear energy
Languages : en
Pages : 852
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Book Description
Author: V.G. Baryakhtar
Publisher: Trans Tech Publications Ltd
ISBN: 3035705623
Category : Technology & Engineering
Languages : en
Pages : 846
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Book Description
European Magnetic Materials and Applications Proceedings of the 8th European Magnetic Materials and Applications Conference, Kyiv, Ukraine, June 7-10, 2000
Author:
Publisher:
ISBN:
Category : Government contractors
Languages : en
Pages : 384
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Book Description
Author: S.L. Cooper
Publisher: Springer Science & Business Media
ISBN: 3540675221
Category : Medical
Languages : en
Pages : 249
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Book Description
Interest in the transition metal oxides with perovskite related structures goes back to the 1950s when the sodium tungsten bronzes NaxWO3 were shown to be metallic [1 ], the system Lal_xSr MnO3 was found to contain a ferromagnetic conductive phase [2], and La0.sSr0.sCoO3 was reported to be a ferromagnetic metal, but with a peculiar magnetization of 1.5 #a/Co atom [3]. Stoichiometric oxide perovskites have the generic formula AMO3 in which the A site is at the center of a simple cubic array of M sites; the oxide ions form (180 ° 4)) M O M bridges to give an MO3 array of corner shared MO6/2 octahedra and the larger A cations have twelvefold oxygen coordination. Mismatch between the A O and M O equilibrium bond lengths introduces internal stresses. A compressive stress on the MO3 array is accommodated by a lowering of the M O M bond angle from 180 ° to (180 ° 4)); a tensile stress on the M O M bonds is accommodated by the formation of hexagonal polytypes [4].
