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Epitaxial Growth And Intrinsic Magnetic Properties Of Magnetic Thin Films On Semiconductor Materials
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Book Synopsis Epitaxial Growth and Intrinsic Magnetic Properties of Magnetic Thin Films on Semiconductor Materials by : Cong Lu
Download or read book Epitaxial Growth and Intrinsic Magnetic Properties of Magnetic Thin Films on Semiconductor Materials written by Cong Lu and published by . This book was released on 2013 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Growth and Properties of Ultrathin Epitaxial Layers by :
Download or read book Growth and Properties of Ultrathin Epitaxial Layers written by and published by Elsevier. This book was released on 1997-06-18 with total page 673 pages. Available in PDF, EPUB and Kindle. Book excerpt: Although there has been steady progress in understanding aspects of epitaxial growth throughout the last 30 years of modern surface science, work in this area has intensified greatly in the last 5 years. A number of factors have contributed to this expansion. One has been the general trend in surface science to tackle problems of increasing complexity as confidence is gained in the methodology, so for example, the role of oxide/metal interfaces in determining the properties of many practical supported catalysts is now being explored in greater detail. A second factor is the recognition of the potential importance of artificial multilayer materials not only in semiconductor devices but also in metal/metal systems because of their novel magnetic properties. Perhaps even more important than either of these application areas, however, is the newly-discovered power of scanning probe microscopies, and most notably scanning tunneling microscopy (STM), to provide the means to study epitaxial growth phenomena on an atomic scale under a wide range of conditions. These techniques have also contributed to revitalised interest in methods of fabricating and exploiting artificial structures (lateral as well as in layers) on a nanometre scale. This volume, on Growth and Properties of Ultrathin Epitaxial Layers, includes a collection of articles which reflects the present state of activity in this field. The emphasis is on metals and oxides rather than semiconductors.
Download or read book Epitaxial Sm-Co Thin Films written by and published by Cuvillier Verlag. This book was released on 2007-01-05 with total page 118 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Investigations of the Epitaxial Growth and Characterization of High Perfection Magnetic Thin Films by :
Download or read book Investigations of the Epitaxial Growth and Characterization of High Perfection Magnetic Thin Films written by and published by . This book was released on 1991 with total page 43 pages. Available in PDF, EPUB and Kindle. Book excerpt: Methods of preparing high-perfection single crystalline films of 3d elements (including Fe, Co) and magnetic rare earths on semiconducting GaAs substrates have been investigated. The use of seed layers of Fe or Co (a few monolayers thick), deposited onto GaAs(001), followed by a Ag(001) film, provided a suitable template for Fe epitaxy. This method avoided interfacial chemical reactions between Fe and the semiconductor, at the expense of introducing coherency strain and tilted epitaxy of the Fe. In the case of rare earths, intermediate seed films of rare earth trifluorides, grown onto GaAs(111(-)) provided a template for growth of c-axis oriented rare earth films and sandwich structures. These methods have enabled the effects of coherency strain on magnetic properties of Fe and rare earths to be investigated. Using an automated X-ray photoelectron diffraction (XPD) system we have investigated the growth and interfacial mixing of several key epitaxial systems including Co/Pt, Co/Ag, NdF3/LaF3 and Pt/GaAs. Interfacial mixing in the interfaces of Co/Pt superlattices was confirmed, resulting in an alloyed region containing the ordered L12 phase: CoPt3. Spin-polarized photoelectron diffraction (SPPD) experiments on MnF2 suggest a new , high-temperature magnetic ordering transition at 380K which is 313K above the Neel temperature.
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 Synthesis and Properties of Epitaxial Thin Films of Pr[2]Ir[2]O[7]and Mn[3]XN (X by : Lu Guo
Download or read book Synthesis and Properties of Epitaxial Thin Films of Pr[2]Ir[2]O[7]and Mn[3]XN (X written by Lu Guo and published by . This book was released on 2020 with total page 97 pages. Available in PDF, EPUB and Kindle. Book excerpt: Frustrated antiferromagnetic (AFM) systems exhibit a strong correlation between the lattice, spin, and charge. Extensive studies have been performed to understand frustrated AFMs in bulk. However, studies on frustrated AFM thin films are limited due to challenges in the growth of high-quality samples. Due to a large number of energy degenerate spin states, frustrated AFM configurations are sensitive to external perturbations such as strain, structural defects or chemical disordering. Thus, epitaxial AFM thin films are the prerequisites for understanding the intrinsic magnetic properties and ground states of the spin configurations of the antiferromagnetic systems. In this work, pyrochlore Pr2Ir2O7 and Mn-based antiperovskite epitaxial thin films are chosen for study as prototypical 3D and 2D frustrated AFM systems. To address the synthetic challenges of epitaxial Pr2Ir2O7 thin films, we combine thermodynamic analysis of the Pr-Ir-O2 system with experimental results from the conventional physical vapor deposition (PVD) technique of co-sputtering. Thermodynamic calculations indicate that high deposition temperatures and high partial pressures of gas species O2(g) and IrO3(g) are required to stabilize Pr2Ir2O7. Furthermore, we find that the gas species partial pressure requirements are beyond those achievable by any conventional PVD technique. Instead, we were able to synthesize weberite-like structure pure-phase Pr3IrO7 thin films on the (111) YSZ substrates by magnetron sputtering in situ. Thus, we suggest high-pressure techniques, in particular chemical vapor deposition (CVD), as a route to the synthesis of Pr2Ir2O7, as they can support thin film deposition under the high pressure needed for in situ stabilization of pyrochlore Pr2Ir2O7. As an alternative approach, we have successfully grown epitaxial pyrochlore Pr2Ir2O7 thin films on (111) oriented yttrium stabilized zirconia (YSZ) single crystal substrates via solid phase epitaxy (SPE). While bulk Pr2Ir2O7 shows a spontaneous hysteretic Hall effect below 1.5 K, we observed the effect at elevated temperatures up to 15 K in epitaxial thin films. We conclude that the elevated-temperature spontaneous Hall effect is caused by a topological effect originating either from the Ir or Pr sublattice, with interaction strength enhanced by the Ir local moments. We have also grown high quality epitaxial thin films of the 2D frustrated AFM system Mn3XN (X=Ga and Ni) in situ by reactive magnetron sputtering with high pressure RHHED. We have characterized the thin films by x-ray diffraction measurements, Hall measurements, and magnetization measurements to investigate the strong lattice-spin-electron correlation. The high-quality Pr2Ir2O7 and Mn3XN (X=Ga and Ni) epitaxial thin films and heterostructures will provide a fertile platform for strain engineering, heterostructure design, and artificial structure design for probing and manipulating AFM spin configurations and developing spintronic device applications.
Book Synopsis Strain Engineering of Magnetic Anisotropy by : David Michael Carr
Download or read book Strain Engineering of Magnetic Anisotropy written by David Michael Carr and published by . This book was released on 2004 with total page 376 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Epitaxial Growth and Some Magnetic Properties of Ferromagnetic Films by : M. Saiyid Uz Zafer
Download or read book Epitaxial Growth and Some Magnetic Properties of Ferromagnetic Films written by M. Saiyid Uz Zafer and published by . This book was released on 1964 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Concise Encyclopedia of Semiconducting Materials & Related Technologies by : S. Mahajan
Download or read book Concise Encyclopedia of Semiconducting Materials & Related Technologies written by S. Mahajan and published by Elsevier. This book was released on 2013-10-22 with total page 607 pages. Available in PDF, EPUB and Kindle. Book excerpt: The development of electronic materials and particularly advances in semiconductor technology have played a central role in the electronics revolution by allowing the production of increasingly cheap and powerful computing equipment and advanced telecommunications devices. This Concise Encyclopedia, which incorporates relevant articles from the acclaimed Encyclopedia of Materials Science and Engineering as well as newly commissioned articles, emphasizes the materials aspects of semiconductors and the technologies important in solid-state electronics. Growth of bulk crystals and epitaxial layers are discussed in the volume and coverage is included of defects and their effects on device behavior. Metallization and passivation issues are also covered. Over 100 alphabetically arranged articles, written by world experts in the field, are each intended to serve as the first source of information on a particular aspect of electronic materials. The volume is extensively illustrated with photographs, diagrams and tables. A bibliography is provided at the end of each article to guide the reader to recent literature. A comprehensive system of cross-references, a three-level subject index and an alphabetical list of articles are included to aid readers in the abstraction of information.
Book Synopsis Structural and Magnetic Properties of Epitaxial Rare-earth Cobalt Thin Films by : Shalini Sharma
Download or read book Structural and Magnetic Properties of Epitaxial Rare-earth Cobalt Thin Films written by Shalini Sharma and published by . This book was released on 2020 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Epitaxial growth and magnetic properties of single-grystal [sic] thin iron films grown on silver(100) surface by : Tzu-Yen Hsieh
Download or read book Epitaxial growth and magnetic properties of single-grystal [sic] thin iron films grown on silver(100) surface written by Tzu-Yen Hsieh and published by . This book was released on 1988 with total page 98 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis State-of-the-Art Program on Compound Semiconductors XXXIX and Nitride and Wide Bandgap Semiconductors for Sensors, Photonics and Electronics IV by : R. F. Kopf
Download or read book State-of-the-Art Program on Compound Semiconductors XXXIX and Nitride and Wide Bandgap Semiconductors for Sensors, Photonics and Electronics IV written by R. F. Kopf and published by The Electrochemical Society. This book was released on 2003 with total page 422 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Transition Metals and Silicon by : Benjamin Geisler
Download or read book Transition Metals and Silicon written by Benjamin Geisler and published by Cuvillier Verlag. This book was released on 2015-03-12 with total page 236 pages. Available in PDF, EPUB and Kindle. Book excerpt: The present, richly illustrated book takes the reader on a tour through the field of modern spintronics, discussing key aspects such as ferromagnetic thin films, dilute magnetic semiconductors, and magnetic tunnel junctions. It demonstrates different approaches to a detailed understanding of magnetism and materials properties on the atomic scale, as required by the ongoing miniaturization of electronics. Due to their technological relevance, the focus lies on silicon and different transition metals like chromium, manganese, and iron. Among others, the following questions are addressed from the viewpoint of state-of-the-art computational physics: Is the scanning tunneling microscope capable of resolving even complex film atomic structures? How can we use its spin-sensitive form to gain insight into interactions of magnetic impurities in bulk semiconductors? Why is chromium-doped silicon especially interesting? Does one need a Seebeck coefficient to obtain spincaloric properties ab initio?
Book Synopsis Magnetic Properties of Novel Epitaxial Films by :
Download or read book Magnetic Properties of Novel Epitaxial Films written by and published by . This book was released on 1986 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The surface magneto-optic Kerr effect (SMOKE) is used to explore the magnetism of ultra-thin Fe Films extending into the monolayer regime. Both bcc .cap alpha.-Fe and fcc .gamma.-Fe single-crystalline, multilayer films are prepared on the bulk-terminated (1 x 1) structures of Au(100) and Cu(100), respectively. The characterizations of epitaxy and growth mode are performed using low energy electron diffraction and Auger electron spectroscopy. Monolayer-range Fe/Au(100) is ferromagnetic with a lower Curie temperature than bulk .cap alpha.-Fe. The controversial .gamma.-Fe/Cu(100) system exhibits a striking, metastable, surface magnetic phase at temperatures above room temperature, but does not exhibit bulk ferromagnetism.
Book Synopsis Defect-Induced Magnetism in Oxide Semiconductors by : Parmod Kumar
Download or read book Defect-Induced Magnetism in Oxide Semiconductors written by Parmod Kumar and published by Elsevier. This book was released on 2023-05-26 with total page 738 pages. Available in PDF, EPUB and Kindle. Book excerpt: Defect-Induced Magnetism in Oxide Semiconductors provides an overview of the latest advances in defect engineering to create new magnetic materials and enable new technological applications. First, the book introduces the mechanisms, behavior, and theory of magnetism in oxide semiconductors and reviews the methods of inducing magnetism in these materials. Then, strategies such as pulsed laser deposition and RF sputtering to grow oxide nanostructured materials with induced magnetism are discussed. This is followed by a review of the most relevant postdeposition methods to induce magnetism in oxide semiconductors including annealing, ion irradiation, and ion implantation. Examples of defect-induced magnetism in oxide semiconductors are provided along with selected applications. This book is a suitable reference for academic researchers and practitioners and for people engaged in research and development in the disciplines of materials science and engineering. Reviews the magnetic, electrical, dielectric and optical properties of oxide semiconductors with defect-induced magnetism Discusses growth and post-deposition strategies to grow oxide nanostructured materials such as oxide thin films with defect-induced magnetism Provides examples of materials with defect-induced magnetism such as zinc oxide, cerium dioxide, hafnium dioxide, and more
Book Synopsis Morphological Organization In Epitaxial Growth And Removal by : Max G Lagally
Download or read book Morphological Organization In Epitaxial Growth And Removal written by Max G Lagally and published by World Scientific. This book was released on 1999-01-29 with total page 508 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides a critical assessment of the current status and the likely future directions of thin-film growth, an area of exceptional technological importance. Its emphasis is on descriptions of the atomic-scale mechanisms controlling the dynamics and thermodynamics of the morphological evolution of the growth front of thin films in diverse systems of fundamental and technological significance. The book covers most of the original and important conceptual developments made in the 1990s. The articles, written by leading experts, are arranged in five major categories — the theoretical basis, semiconductor-on-semiconductor growth, metal-on-metal growth, metal-on-semiconductor growth, and removal as the inverse process of growth. This book, the only one of its kind in this decade, will prove to be an indispensable reference source for active researchers, those having peripheral interest, and graduate students starting out in the field.
Book Synopsis Studies of Epitaxial Ferrite Thin Films and Oxide Based Magnetic Trilayer Junctions by : Guohan Hu
Download or read book Studies of Epitaxial Ferrite Thin Films and Oxide Based Magnetic Trilayer Junctions written by Guohan Hu and published by . This book was released on 2003 with total page 338 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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