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Etude Des Proprietes De Transport De Structures Mgo Gaas 001 Pour Lelectronique De Spin
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Book Synopsis Étude des propriétés de transport de structures MgO/GaAs (001) pour l'électronique de spin by : Sylvain Le Gall
Download or read book Étude des propriétés de transport de structures MgO/GaAs (001) pour l'électronique de spin written by Sylvain Le Gall and published by . This book was released on 2010 with total page 169 pages. Available in PDF, EPUB and Kindle. Book excerpt: Cette thèse s’inscrit dans le domaine de recherche ayant trait au développement de dispositifs basés sur l’injection et la détection de courant polarisé en spin associant métaux ferromagnétiques (FM), semi-conducteurs (SC) et oxydes. La jonction FM/MgO/GaAs apparait comme un candidat prometteur dans ce domaine. Nos travaux ont porté sur l’étude des mécanismes de transport et des propriétés électriques et électroniques (par des mesures I(V) et C(V)) d’hétérostructures métal/MgO/GaAs_n pour différentes concentrations de dopage du semi-conducteur et d’épaisseurs d’oxyde. Les mécanismes qui gouvernent le transport électronique ont été identifiés et le mode de fonctionnement des différentes structures compris. Nos résultats montrent qu’aucune de nos structures métal/MgO/GaAs ne permet d’accéder au critère théorique énoncé par Fert et Jaffrès pour une structure latérale FM/barrière tunnel/SC/barrière tunnel/FM : d’après notre étude, il n’est pas possible, par notre méthode de préparation, de réaliser des dispositifs basés sur le contact MgO/GaAs permettant d’injecter et de détecter efficacement un courant polarisé en spin à température ambiante. Ceci s’explique par le fait que pendant la phase de dépôt du MgO, des défauts sont induits dans la bande interdite du semi-conducteur sur des profondeurs de plusieurs dizaines de nanomètres.
Book Synopsis Metallic Magnetism by : I. A. Campbell
Download or read book Metallic Magnetism written by I. A. Campbell and published by Springer. This book was released on 1987 with total page 252 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Flexoelectricity in Liquid Crystals by : Agnes Buka
Download or read book Flexoelectricity in Liquid Crystals written by Agnes Buka and published by World Scientific. This book was released on 2013 with total page 299 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book intends to give a state-of-the-art overview of flexoelectricity, a linear physical coupling between mechanical (orientational) deformations and electric polarization, which is specific to systems with orientational order, such as liquid crystals. Chapters written by experts in the field shed light on theoretical as well as experimental aspects of research carried out since the discovery of flexoelectricity. Besides a common macroscopic (continuum) description the microscopic theory of flexoelectricity is also addressed. Electro-optic effects due to or modified by flexoelectricity as well as various (direct and indirect) measurement methods are discussed. Special emphasis is given to the role of flexoelectricity in pattern-forming instabilities. While the main focus of the book lies in flexoelectricity in nematic liquid crystals, peculiarities of other mesophases (bent-core systems, cholesterics, and smectics) are also reviewed. Flexoelectricity has relevance to biological (living) systems and can also offer possibilities for technical applications. The basics of these two interdisciplinary fields are also summarized.
Book Synopsis Modern Surface Organometallic Chemistry by : Jean-Marie Basset
Download or read book Modern Surface Organometallic Chemistry written by Jean-Marie Basset and published by John Wiley & Sons. This book was released on 2009-07-10 with total page 725 pages. Available in PDF, EPUB and Kindle. Book excerpt: Covering everything from the basics to recent applications, this monograph represents an advanced overview of the field. Edited by internationally acclaimed experts respected throughout the community, the book is clearly divided into sections on fundamental and applied surface organometallic chemistry. Backed by numerous examples from the recent literature, this is a key reference for all chemists.
Book Synopsis Prussian Blue-type Nanoparticles and Nanocomposites by : Yannick Guari
Download or read book Prussian Blue-type Nanoparticles and Nanocomposites written by Yannick Guari and published by . This book was released on 2019 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Nanochemistry tools aid the design of Prussian blue and its analogue nanoparticles and nanocomposites. The use of such nanomaterials is now widely regarded as an alternative to other inorganic nanomaterials in a variety of scientific applications. This book, after addressing Prussian blue and its analogues in a historical context and their numerous applications over time, compiles and details the latest cutting-edge scientific research on these nanomaterials. It compiles and deatils the latest cutting-edge scientific research on these nanomaterials. The book provides an overview of the methodological concepts of the nanoscale synthesis of Prussian blue and its analogues, as well as the study and understanding of their properties and of the extent and diversity of application fields in relation to the major societal challenges of the 21st century on energy, environment, and health.
Book Synopsis Hydrogen in Semiconductors by : Jacques I. Pankove
Download or read book Hydrogen in Semiconductors written by Jacques I. Pankove and published by Academic Press. This book was released on 1991-04-23 with total page 655 pages. Available in PDF, EPUB and Kindle. Book excerpt: Hydrogen plays an important role in silicon technology, having a profound effect on a wide range of properties. Thus, the study of hydrogen in semiconductors has received much attention from an interdisciplinary assortment of researchers. This sixteen-chapter volume provides a comprehensive review of the field, including a discussion of hydrogenation methods, the use of hydrogen to passivate defects, the use of hydrogen to neutralize deep levels, shallow acceptors and shallow donors in silicon, vibrational spectroscopy, and hydrogen-induced defects in silicon. In addition to this detailed coverage of hydrogen in silicon, chapters are provided that discuss hydrogen-related phenomena in germanium and the neutralization of defects and dopants in III*b1V semiconductors. Provides the most in-depth coverage of hydrogen in silicon available in a single source**Includes an extensive chapter on the neutralization of defects in III*b1V semiconductors**Combines both experimental and theoretical studies to form a comprehensive reference
Book Synopsis Diffusion in Materials - DIMAT 2011 by : Igor Bezverkhyy
Download or read book Diffusion in Materials - DIMAT 2011 written by Igor Bezverkhyy and published by Trans Tech Publications Ltd. This book was released on 2012-04-12 with total page 600 pages. Available in PDF, EPUB and Kindle. Book excerpt: The International Conference on Diffusion in Materials (DIMAT) is the benchmark conference series for diffusion in solids. DIMAT 2011 was organized by the University of Bourgogne in association with CNRS, Dijon (France). The conference showcased new results concerning theoretical tools as well as applied research approaches. Diffusion processes affect all types of materials: nanomaterials, materials for energy, metallurgy, glasses and ceramics, but each requires its own numerical tools. Volume is indexed by Thomson Reuters CPCI-S (WoS). This volume comprises most of the contributions presented at DIMAT 2011: 4 plenary lectures delivered by famous high-level scientists plus 88 contributions in the form of keynote lectures, talks and posters.
Book Synopsis Magnetic Heterostructures by : H. Zabel
Download or read book Magnetic Heterostructures written by H. Zabel and published by Springer. This book was released on 2007-10-26 with total page 373 pages. Available in PDF, EPUB and Kindle. Book excerpt: Heterostructures consist of combinations of different materials, which are in contact through at least one interface. Magnetic heterostructures combine different physical properties which do not exist in nature. This book provides the first comprehensive overview of an exciting and fast developing field of research, which has already resulted in numerous applications and is the basis for future spintronic devices.
Book Synopsis International Conference on the Applications of the Mössbauer Effect, Kyoto, August 28-September 1, 1978 by : International Union of Pure and Applied Chemistry
Download or read book International Conference on the Applications of the Mössbauer Effect, Kyoto, August 28-September 1, 1978 written by International Union of Pure and Applied Chemistry and published by EDP Sciences. This book was released on 1979 with total page 736 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Electrical Machine and Drive (Introduce to Advance Control) by : Rajendra Aparnathi
Download or read book Electrical Machine and Drive (Introduce to Advance Control) written by Rajendra Aparnathi and published by Lulu.com. This book was released on 2013-09-27 with total page 78 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Book is a source for B E, M.E and research aspirants. Working in the fields of inverters, converters and Advance technique in Electrical and Electronics Engineering
Book Synopsis Nonlinear Optical Materials by : Jerome V. Moloney
Download or read book Nonlinear Optical Materials written by Jerome V. Moloney and published by Springer Science & Business Media. This book was released on 1998-08-13 with total page 270 pages. Available in PDF, EPUB and Kindle. Book excerpt: Mathematical methods play a significant role in the rapidly growing field of nonlinear optical materials. This volume discusses a number of successful or promising contributions. The overall theme of this volume is twofold: (1) the challenges faced in computing and optimizing nonlinear optical material properties; and (2) the exploitation of these properties in important areas of application. These include the design of optical amplifiers and lasers, as well as novel optical switches. Research topics in this volume include how to exploit the magnetooptic effect, how to work with the nonlinear optical response of materials, how to predict laser-induced breakdown in efficient optical devices, and how to handle electron cloud distortion in femtosecond processes.
Download or read book Magnonics written by Sergej O. Demokritov and published by Springer Science & Business Media. This book was released on 2012-08-15 with total page 266 pages. Available in PDF, EPUB and Kindle. Book excerpt: Spin waves (and their quanta magnons) can effectively carry and process information in magnetic nanostructures. By analogy to photonics, this research field is labelled magnonics. It comprises the study of excitation, detection, and manipulation of magnons. From the practical point of view, the most attractive feature of magnonic devices is the controllability of their functioning by an external magnetic field. This book has been designed for students and researchers working in magnetism. Here the readers will find review articles written by leading experts working on realization of magnonic devices.
Book Synopsis Radiation Effects on Embedded Systems by : Raoul Velazco
Download or read book Radiation Effects on Embedded Systems written by Raoul Velazco and published by Springer Science & Business Media. This book was released on 2007-06-19 with total page 273 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume provides an extensive overview of radiation effects on integrated circuits, offering major guidelines for coping with radiation effects on components. It contains a set of chapters based on the tutorials presented at the International School on Effects of Radiation on Embedded Systems for Space Applications (SERESSA) that was held in Manaus, Brazil, November 20-25, 2005.
Book Synopsis Magnetic Nanostructures by : Hartmut Zabel
Download or read book Magnetic Nanostructures written by Hartmut Zabel and published by Springer. This book was released on 2012-09-15 with total page 279 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nanomagnetism and spintronics is a rapidly expanding and increasingly important field of research with many applications already on the market and many more to be expected in the near future. This field started in the mid-1980s with the discovery of the GMR effect, recently awarded with the Nobel prize to Albert Fert and Peter Grünberg. The present volume covers the most important and most timely aspects of magnetic heterostructures, including spin torque effects, spin injection, spin transport, spin fluctuations, proximity effects, and electrical control of spin valves. The chapters are written by internationally recognized experts in their respective fields and provide an overview of the latest status.
Book Synopsis Semiconductor-device Electronics by : R. M. Warner
Download or read book Semiconductor-device Electronics written by R. M. Warner and published by . This book was released on 1991 with total page 968 pages. Available in PDF, EPUB and Kindle. Book excerpt: This clear, student-oriented text is for upper-level or graduate courses covering basic semiconductor physics, physical descriptions of PN-junction diodes, bipolar junction transistors, and MOS Field-effect transistors. The organization is from specific to more general topics with a foundations chapter that reviews critical concepts such as Poisson's Equation, dielectric relaxation, and displacement current. The text progresses toward detailed and often unique coverage: including SPICE modeling of the junction diode, the BJT and MOSFET, ohmic-contact application of the high-low junction, and MOS-capacitance crossover.
Book Synopsis Radiation Effects And Soft Errors In Integrated Circuits And Electronic Devices by : Ronald D Schrimpf
Download or read book Radiation Effects And Soft Errors In Integrated Circuits And Electronic Devices written by Ronald D Schrimpf and published by World Scientific. This book was released on 2004-07-29 with total page 349 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides a detailed treatment of radiation effects in electronic devices, including effects at the material, device, and circuit levels. The emphasis is on transient effects caused by single ionizing particles (single-event effects and soft errors) and effects produced by the cumulative energy deposited by the radiation (total ionizing dose effects). Bipolar (Si and SiGe), metal-oxide-semiconductor (MOS), and compound semiconductor technologies are discussed. In addition to considering the specific issues associated with high-performance devices and technologies, the book includes the background material necessary for understanding radiation effects at a more general level.
Book Synopsis Defects in Microelectronic Materials and Devices by : Daniel M. Fleetwood
Download or read book Defects in Microelectronic Materials and Devices written by Daniel M. Fleetwood and published by CRC Press. This book was released on 2008-11-19 with total page 772 pages. Available in PDF, EPUB and Kindle. Book excerpt: Uncover the Defects that Compromise Performance and ReliabilityAs microelectronics features and devices become smaller and more complex, it is critical that engineers and technologists completely understand how components can be damaged during the increasingly complicated fabrication processes required to produce them.A comprehensive survey of defe
