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The Magnetoelectric Effect In Oxide Thin Film Heterostructures
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Book Synopsis The Magnetoelectric Effect in Oxide Thin Film Heterostructures by : Julian Irwin
Download or read book The Magnetoelectric Effect in Oxide Thin Film Heterostructures written by Julian Irwin and published by . This book was released on 2020 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Magnetoelectric materials are poised to make a technological impact in a world where improving efficiency and performance of electronics is increasingly important. That magnetoelectric effect is coupling of electrical and magnetic orderings provided by a single material or several coupled materials. This dissertation explores magnetoelectric effects in two different oxide thin film heterostructures. First, the intrinsic magnetoelectric effect in room temperature multiferroic bismuth ferrite (BiFeO[subscript 3]), and second the extrinsic magnetoelectric effect in strain-coupled composite membranes. Bismuth ferrite is one of the few intrinsically magnetoelectric materials with possible technological importance, as it is ferroelectric and antiferromagnetic at room temperature. Exploiting multiferroic BiFeO[subscript 3] thin films in spintronic devices requires deterministic control of both internal magnetoelectric coupling in BiFeO[subscript 3], as well as exchange coupling of its antiferromagnetic order to a ferromagnetic overlayer. We present an approach using a monodomain magnetoelectric state with single-step switching. Here we demonstrate room temperature, deterministic and robust, exchange coupling between monodomain BiFeO[subscript 3] films and a Co overlayer that is intrinsic (i.e., not dependent on domain walls). Direct coupling between BiFeO[subscript 3] antiferromagnetic order and Co magnetization is observed, with ~ 90[degrees] in-plane Co moment rotation upon single-step switching that is reproducible for hundreds of cycles. Magnetoelectricity in piezoelectric / ferromagnetic thin-film heterostructures comes from piezoelectric strain combined with magnetostriction. In-plane magnetization rotation with an electric field across the film thickness has been challenging due to the large reduction of in-plane piezoelectric strain by substrate clamping, and in two-terminal devices, the requirement of anisotropic in-plane strain. Here we show that these limitations can be overcome two different ways in thin films. First by designing the piezoelectric strain tensor using the boundary interaction between biased and unbiased piezoelectric in (001)-oriented [Pb(Mg[subscript 1/3]Nb[subscript 2/3])O[subscript 3]][subscript 0.7]-[PbTiO[subscript 3]][subscript 0.3] (PMN-PT) membranes with ferromagnetic Ni overlayers, and second by fabricating (011)-oriented Ni/PMN-PT membranes capable of generating anisotropic strain from the symmetry of the crystal alone. We demonstrate several magnetoelectric effects including 90[degrees] rotation of in-plane magnetic anisotropy with a perpendicular electric field. Further optimization of magnetoelectric PMN-PT membrane heterostructures is expected to allow for magnetization rotation at even lower voltages and for nonvolatile magnetoelectric switching.
Book Synopsis Multifunctional Oxide Heterostructures by : Evgeny Y. Tsymbal
Download or read book Multifunctional Oxide Heterostructures written by Evgeny Y. Tsymbal and published by OUP Oxford. This book was released on 2012-08-30 with total page 416 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is devoted to the rapidly developing field of oxide thin-films and heterostructures. Oxide materials combined with atomic-scale precision in a heterostructure exhibit an abundance of macroscopic physical properties involving the strong coupling between the electronic, spin, and structural degrees of freedom, and the interplay between magnetism, ferroelectricity, and conductivity. Recent advances in thin-film deposition and characterization techniques made possible the experimental realization of such oxide heterostructures, promising novel functionalities and device concepts. The book consists of chapters on some of the key innovations in the field over recent years, including strongly correlated oxide heterostructures, magnetoelectric coupling and multiferroic materials, thermoelectric phenomena, and two-dimensional electron gases at oxide interfaces. The book covers the core principles, describes experimental approaches to fabricate and characterize oxide heterostructures, demonstrates new functional properties of these materials, and provides an overview of novel applications.
Author :Satishchandra B. Ogale Publisher :Springer Science & Business Media ISBN 13 :0387260897 Total Pages :416 pages Book Rating :4.3/5 (872 download)
Book Synopsis Thin Films and Heterostructures for Oxide Electronics by : Satishchandra B. Ogale
Download or read book Thin Films and Heterostructures for Oxide Electronics written by Satishchandra B. Ogale and published by Springer Science & Business Media. This book was released on 2005-11-21 with total page 416 pages. Available in PDF, EPUB and Kindle. Book excerpt: Oxides form a broad subject area of research and technology development which encompasses different disciplines such as materials science, solid state chemistry, physics etc. The aim of this book is to demonstrate the interplay of these fields and to provide an introduction to the techniques and methodologies involving film growth, characterization and device processing. The literature in this field is thus fairly scattered in different research journals covering one or the other aspect of the specific activity. This situation calls for a book that will consolidate this information and thus enable a beginner as well as an expert to get an overall perspective of the field, its foundations, and its projected progress.
Book Synopsis Magnetoelectric Coupling in Multifunctional Nanostructured Complex Oxide Thin Films by : Steven Peter Crane
Download or read book Magnetoelectric Coupling in Multifunctional Nanostructured Complex Oxide Thin Films written by Steven Peter Crane and published by . This book was released on 2009 with total page 372 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Magnetoelectric Composites by : Mirza I. Bichurin
Download or read book Magnetoelectric Composites written by Mirza I. Bichurin and published by CRC Press. This book was released on 2019-02-22 with total page 280 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is dedicated to modeling and application of magnetoelectric (ME) effects in layered and bulk composites based on magnetostrictive and piezoelectric materials. Currently, numerous theoretical and experimental studies on ME composites are available but few on the development and research of instruments based on them. So far, only investigation of ME magnetic field sensors has been cited in the existing literature. However, these studies have finally resulted in the creation of low-frequency ME magnetic field sensors with parameters substantially exceeding the characteristics of Hall sensors. The book presents the authors’ many years of experience gained in ME composites and through creation of device models based on their studies. It describes low-frequency ME devices, such as current and position sensors and energy harvesters, and microwave ME devices, such as antennas, attenuators, filters, gyrators, and phase shifters.
Book Synopsis Thin Films and Heterostructures for Oxide Electronics by : Satishchandra B. Ogale
Download or read book Thin Films and Heterostructures for Oxide Electronics written by Satishchandra B. Ogale and published by Springer. This book was released on 2008-11-01 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Oxides form a broad subject area of research and technology development which encompasses different disciplines such as materials science, solid state chemistry, physics etc. The aim of this book is to demonstrate the interplay of these fields and to provide an introduction to the techniques and methodologies involving film growth, characterization and device processing. The literature in this field is thus fairly scattered in different research journals covering one or the other aspect of the specific activity. This situation calls for a book that will consolidate this information and thus enable a beginner as well as an expert to get an overall perspective of the field, its foundations, and its projected progress.
Book Synopsis Multiferroicity in Oxide Thin Films and Heterostructures by : Artur Glavic
Download or read book Multiferroicity in Oxide Thin Films and Heterostructures written by Artur Glavic and published by Forschungszentrum Jülich. This book was released on 2012 with total page 173 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Integrated Multiferroic Heterostructures and Applications by : Ming Liu
Download or read book Integrated Multiferroic Heterostructures and Applications written by Ming Liu and published by John Wiley & Sons. This book was released on 2019-08-05 with total page 258 pages. Available in PDF, EPUB and Kindle. Book excerpt: Written by well-known experts in the field, this first systematic overview of multiferroic heterostructures summarizes the latest developments, first presenting the fundamental mechanisms, including multiferroic materials synthesis, structures and mechanisms, before going on to look at device applications. The resulting text offers insight and understanding for scientists and students new to this area.
Book Synopsis The Electronic and Optical Properties of Low Dimensional Metal-oxide Heterostructures by : Wente Li
Download or read book The Electronic and Optical Properties of Low Dimensional Metal-oxide Heterostructures written by Wente Li and published by . This book was released on 2022 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Functional metal-oxide materials exhibit many intriguing phenomena and attract the intensive research in condensed matter physics as well as materials science. Furthermore, the metal-oxide-based heterostructures demonstrate unusual low-dimensional effects due the symmetry breaking at the interface. I have studied several low dimensional heterostructures from the theoretical and computational perspectives. I have developed a multiscale simulation framework, based on density functional theory that covers the microscopic (~ 10−9 m), mesoscopic (~ 10−8 m) and macroscopic (~ 10−7 m) length scale. The first heterointerface I discuss is Si/EuO. Using density functional theory, I demonstrate how the interfacial oxidation influences the band alignment between the Si substrate and EuO, which is essential for the EuO applications in spintronic devices. The second system is the two-dimension electron gas at the oxygen deficient SrTiO3/EuO interface in the BaTiO3/SrTiO3/EuO heterostructure. I demonstrate that the spontaneous polarization in BaTiO3 can influence the intrinsic electric field across SrTiO3/EuO and control the location of the two-dimensional electron gas in either SrTiO3 side or EuO side. The switchable functionality due to the presence of BaTiO3 offers a promising way to control spin polarized carriers in spintronic devices. Next, I focus on the magnetoelectric effect at the BaTiO3/Ni interface and demonstrate that compared to bulk multiferroic materials, artificially engineered interface structures have much larger magnetoelectric coupling coefficients due to the symmetry breaking at the interface. The fourth system I study is the BaSnO3-based quantum well. By utilizing the intersubband transitions, the BaSnO3-based quantum well structure has high nonlinear optical susceptibility as well as broad optical spectral range, from THz to near visible light region, which has promising applications as nonlinear light source in photonic integrated circuit. The fifth system discussed in this thesis is the epitaxial BaTiO3 films deposited on different substrates. Compared with the bulk material, the behavior of thin films of BaTiO3 is different due to the complicated boundary conditions. To describe a thin film, I use phase field simulations implemented with a finite element method. The simulations are able to reveal the complex domain morphology
Book Synopsis Thin Film Metal-Oxides by : Shriram Ramanathan
Download or read book Thin Film Metal-Oxides written by Shriram Ramanathan and published by Springer Science & Business Media. This book was released on 2009-12-03 with total page 344 pages. Available in PDF, EPUB and Kindle. Book excerpt: Thin Film Metal-Oxides provides a representative account of the fundamental structure-property relations in oxide thin films. Functional properties of thin film oxides are discussed in the context of applications in emerging electronics and renewable energy technologies. Readers will find a detailed description of deposition and characterization of metal oxide thin films, theoretical treatment of select properties and their functional performance in solid state devices, from leading researchers. Scientists and engineers involved with oxide semiconductors, electronic materials and alternative energy will find Thin Film Metal-Oxides a useful reference.
Book Synopsis Metal Oxide-Based Thin Film Structures by : Nini Pryds
Download or read book Metal Oxide-Based Thin Film Structures written by Nini Pryds and published by Elsevier. This book was released on 2017-09-07 with total page 562 pages. Available in PDF, EPUB and Kindle. Book excerpt: Metal Oxide-Based Thin Film Structures: Formation, Characterization and Application of Interface-Based Phenomena bridges the gap between thin film deposition and device development by exploring the synthesis, properties and applications of thin film interfaces. Part I deals with theoretical and experimental aspects of epitaxial growth, the structure and morphology of oxide-metal interfaces deposited with different deposition techniques and new developments in growth methods. Part II concerns analysis techniques for the electrical, optical, magnetic and structural properties of thin film interfaces. In Part III, the emphasis is on ionic and electronic transport at the interfaces of Metal-oxide thin films. Part IV discusses methods for tailoring metal oxide thin film interfaces for specific applications, including microelectronics, communication, optical electronics, catalysis, and energy generation and conservation. This book is an essential resource for anyone seeking to further their knowledge of metal oxide thin films and interfaces, including scientists and engineers working on electronic devices and energy systems and those engaged in research into electronic materials. Introduces the theoretical and experimental aspects of epitaxial growth for the benefit of readers new to the field Explores state-of-the-art analysis techniques and their application to interface properties in order to give a fuller understanding of the relationship between macroscopic properties and atomic-scale manipulation Discusses techniques for tailoring thin film interfaces for specific applications, including information, electronics and energy technologies, making this book essential reading for materials scientists and engineers alike
Book Synopsis Epitaxial Oxide Thin Films II: Volume 401 by : James S. Speck
Download or read book Epitaxial Oxide Thin Films II: Volume 401 written by James S. Speck and published by . This book was released on 1996-03-29 with total page 588 pages. Available in PDF, EPUB and Kindle. Book excerpt: Our understanding and control of epitaxial oxide heterostructures has progressed along multiple frontiers including magnetic, dielectric, ferroelectric, and superconducting oxide materials. This has resulted in both independent rediscovery and the successful borrowing of ideas from ceramic science, solid-state physics, and semiconductor epitaxy. A new field of materials science has emerged which aims at the use of the intrinsic properties of various oxide materials in single-crystal thin-film form. Exploiting the potential of these materials, however, will only be possible if many fundamental and engineering questions can be answered. This book represents continued progress toward fulfilling that promise. Technical information on epitaxial oxide thin films from industry, academia and government laboratories is presented. Topics include: dielectrics; ferroelectrics; optics; superconductors; magnetics; magnetoresistance.
Book Synopsis Magnetism and Magnetotransport in Complex Oxide Thin Film Heterostructures by : Rajesh Vilas Chopdekar
Download or read book Magnetism and Magnetotransport in Complex Oxide Thin Film Heterostructures written by Rajesh Vilas Chopdekar and published by . This book was released on 2009 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The nature of magnetism at thin film surfaces and interfaces is not yet fully understood, yet it is quite important for both fundamental studies and technological applications. In this dissertation, I present a study of the magnetism and magnetotransport in single thin film layers as well as at interfaces of Fe3O4/spinel chromite/LSMO and Fe3O4/spinel chromite/Fe3O4 heterostructures. To begin with, investigations of single layer thin films on metallic oxides such as perovskite structure SrRuO3 and spinel structure LiTi2O4 elucidate the dependence of transport properties on parameters such as thickness, film strain state, and crystal orientation. In addition, the magnetism of CoFe2O4 thin films is examined while dynamically altering the strain state via the temperature-dependent lattice parameter of piezoelectric BaTiO3 substrates. Detailed spectroscopy experiments indicate that magnetism at the (110) LSMO and (111) LSMO surfaces are not suppressed compared to (001) LSMO interfaces. In addition, no magnetic coupling was observed between LSMO and spinel chromite layers above 100K. In contrast, the (110) Fe3O4 surface exhibited a significant change in anisotropy accompanied by an enhanced magnetization in the spinel chromite layer to beyond room temperature. At the isostructural interface, there is strong ferromagnetic coupling between Fe and Cr ions in bilayers. Our results on Fe3O4 and LSMO surfaces, combined with measurements on the angular, field and temperature dependence of junctions with LSMO and Fe3O4 electrodes, indicate that spin polarization is not intrinsically suppressed at a surface or interface but that magnetization and spin polarization depends on the crystal surface orientation, strain state and surface or interface reconstruction.
Book Synopsis Nanoscale Phase Separation and Colossal Magnetoresistance by : Elbio Dagotto
Download or read book Nanoscale Phase Separation and Colossal Magnetoresistance written by Elbio Dagotto and published by Springer Science & Business Media. This book was released on 2013-03-14 with total page 465 pages. Available in PDF, EPUB and Kindle. Book excerpt: The study of the spontaneous formation of nanostructures in single crystals of several compounds is now a major area of research in strongly correlated electrons. These structures appear to originate in the competition of phases. The book addresses nanoscale phase separation, focusing on the manganese oxides known as manganites that have the colossal magnetoresistance (CMR) effect of potential relevance for device applications. It is argued that the nanostructures are at the heart of the CMR phenomenon. The book contains updated information on manganite research directed to experts, both theorists and experimentalists. However, graduate students or postdocs will find considerable introductory material, including elements of computational physics.
Book Synopsis Epitaxial Oxide Thin Films and Heterostructures: Volume 341 by : David K. Fork
Download or read book Epitaxial Oxide Thin Films and Heterostructures: Volume 341 written by David K. Fork and published by Mrs Proceedings. This book was released on 1994-08-15 with total page 432 pages. Available in PDF, EPUB and Kindle. Book excerpt: The MRS Symposium Proceeding series is an internationally recognised reference suitable for researchers and practitioners.
Book Synopsis Composite Magnetoelectrics by : Nian Sun
Download or read book Composite Magnetoelectrics written by Nian Sun and published by Elsevier. This book was released on 2015-05-11 with total page 381 pages. Available in PDF, EPUB and Kindle. Book excerpt: Composite Magnetoelectrics: Materials, Structures, and Applications gives the reader a summary of the theory behind magnetoelectric phenomena, later introducing magnetoelectric materials and structures and the techniques used to fabricate and characterize them. Part two of the book looks at magnetoelectric devices. Applications include magnetic and current sensors, transducers for energy harvesting, microwave and millimeter wave devices, miniature antennas and medical imaging. The final chapter discusses progress towards magnetoelectric memory. Summarises clearly the theory behind magnetoelectric phenomena Strong coverage of fabrication and characterisation techniques Reviews a broad range of current and potential magnetoelectric devices
Book Synopsis Multiferroic Materials by : Junling Wang
Download or read book Multiferroic Materials written by Junling Wang and published by CRC Press. This book was released on 2016-10-14 with total page 409 pages. Available in PDF, EPUB and Kindle. Book excerpt: "a very detailed book on multiferroics that will be useful for PhD students and researchers interested in this emerging field of materials science" —Dr. Wilfrid Prellier, Research Director, CNRS, Caen, France Multiferroics has emerged as one of the hottest topics in solid state physics in this millennium. The coexistence of multiple ferroic/antiferroic properties makes them useful both for fundamental studies and practical applications such as revolutionary new memory technologies and next-generation spintronics devices. This book provides an historical introduction to the field, followed by a summary of recent progress in single-phase multiferroics (type-I and type-II), multiferroic composites (bulk and nano composites), and emerging areas such as domain walls and vortices. Each chapter addresses potential technological implications. There is also a section dedicated to theoretical approaches, both phenomenological and first-principles calculations.
