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The Extraordinary Magnetoresistance Of Semiconductor Metal Hybrid Structures
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Book Synopsis The Extraordinary Magnetoresistance of Semiconductor-metal Hybrid Structures by : Matthias Holz
Download or read book The Extraordinary Magnetoresistance of Semiconductor-metal Hybrid Structures written by Matthias Holz and published by Cuvillier Verlag. This book was released on 2004 with total page 109 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Novel Magnetoresistance Effects in Microstructured Metal-semiconductor Hybrid Structures Fabricated by Cleaved-edge Overgrowth by : Claas Henrik Möller
Download or read book Novel Magnetoresistance Effects in Microstructured Metal-semiconductor Hybrid Structures Fabricated by Cleaved-edge Overgrowth written by Claas Henrik Möller and published by Cuvillier Verlag. This book was released on 2004 with total page 122 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Magnetoresistance in Silicon-based Semiconductor-metal Hybrid Structures by : Andrew Stuart Troup
Download or read book Magnetoresistance in Silicon-based Semiconductor-metal Hybrid Structures written by Andrew Stuart Troup and published by . This book was released on 2007 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Extraordinary Magnetoresistance in Two and Three Dimensions: Geometrical Optimization by : Lisa M. Pugsley
Download or read book Extraordinary Magnetoresistance in Two and Three Dimensions: Geometrical Optimization written by Lisa M. Pugsley and published by . This book was released on 2012 with total page 118 pages. Available in PDF, EPUB and Kindle. Book excerpt: Abstract: The extraordinary magnetoresistance (EMR) in metal-semiconductor hybrid structures was first demonstrated using a van der Pauw configuration for a circular semiconductor wafer with a concentric metallic inclusion in it. This effect depends on the orbital motion of carriers in an external magnetic field, and the remarkably high magnetoresistance response observed suggests that the geometry of the metallic inclusion can be optimized to significantly enhance the EMR. Here we consider the theory and simulations to achieve this goal by comparing both two-dimensional as well as three-dimensional structures in an external magnetic field to evaluate the EMR in them. Examples of structures that are compatible with present day technological capabilities are given together with their expected responses in terms of EMR. For a 10 micron 2D square structure with a square metallic inclusion, we see a MR up to 107 percent for an applied magnetic field of 1 Tesla.
Book Synopsis Extraordinary Magnetoresistance in Hybrid Semiconductor-metal Systems by : Thomas H. Hewett
Download or read book Extraordinary Magnetoresistance in Hybrid Semiconductor-metal Systems written by Thomas H. Hewett and published by . This book was released on 2012 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Physics of Semiconductors 2002 by : J.H Davies
Download or read book Physics of Semiconductors 2002 written by J.H Davies and published by CRC Press. This book was released on 2003-05-01 with total page 313 pages. Available in PDF, EPUB and Kindle. Book excerpt: The 26th International Conference on the Physics of Semiconductors was held from 29 July to 2 August 2002 at the Edinburgh International Conference Centre. It is the premier meeting in the field of semiconductor physics and attracted over 1000 participants from leading academic, governmental and industrial institutions in some 50 countries around t
Book Synopsis Towards the Controllable Quantum States by : Junsaku Nitta
Download or read book Towards the Controllable Quantum States written by Junsaku Nitta and published by World Scientific. This book was released on 2003 with total page 552 pages. Available in PDF, EPUB and Kindle. Book excerpt: The realizations of physical systems whose quantum states can be directly manipulated have been pursued for experiments on fundamental problems in quantum mechanics and implementations of quantum information devices. Micro-fabricated superconducting systems and electronic spins are among the most promising candidates. This book contains the newest and most advanced research reports on such materials, called OC Mesoscopic SuperconductivityOCO and OC SpintronicsOCO. The former includes superconductor-semiconductor hybrid systems, very small Josephson junctions, and micron-size SQUIDs. The latter includes the control of spin transports in semiconductor heterostructures, nano-scale quantum dots, and spin injections. Superconductor-ferromagnetic metal hybrid structures are covered by both of the topics.The proceedings have been selected for coverage in: OCo Index to Scientific & Technical Proceedings (ISTP CDROM version / ISI Proceedings)"
Book Synopsis Theoretical Studies of Spin Dependent Transport Phenomena by : Christoph Michel
Download or read book Theoretical Studies of Spin Dependent Transport Phenomena written by Christoph Michel and published by Cuvillier Verlag. This book was released on 2007 with total page 205 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Finite Element Analysis by : Farzad Ebrahimi
Download or read book Finite Element Analysis written by Farzad Ebrahimi and published by BoD – Books on Demand. This book was released on 2012-10-10 with total page 414 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the past few decades, the Finite Element Method (FEM) has been developed into a key indispensable technology in the modeling and simulation of various engineering systems. The present book reports on the state of the art research and development findings on this very broad matter through original and innovative research studies exhibiting various investigation directions of FEM in electrical, civil, materials and biomedical engineering. This book is a result of contributions of experts from international scientific community working in different aspects of FEM. The text is addressed not only to researchers, but also to professional engineers, students and other experts in a variety of disciplines, both academic and industrial seeking to gain a better understanding of what has been done in the field recently, and what kind of open problems are in this area.
Book Synopsis Stress, strain and spin in semiconductors and their nanostructures by : Alistair Rowe
Download or read book Stress, strain and spin in semiconductors and their nanostructures written by Alistair Rowe and published by Alistair Rowe. This book was released on 2013-06-11 with total page 102 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Clusters And Nano-assemblies: Physical And Biological Systems by : Purusottam Jena
Download or read book Clusters And Nano-assemblies: Physical And Biological Systems written by Purusottam Jena and published by World Scientific. This book was released on 2005-05-09 with total page 465 pages. Available in PDF, EPUB and Kindle. Book excerpt: While the field of clusters and nano-structures in the physical sciences has been actively pursued only over the past two decades, nature has known the benefits of the nanoscale for a very long time. The focus of the International Symposium on Clusters and Nano-Assemblies: Physical and Biological Systems was to explore ways in which an understanding of the unique properties of nano-scale biological systems such as proteins, enzyme reactions, RNA, and DNA can help us design novel materials composed of inorganic nano-scale systems, and how techniques developed in the physical sciences can lead to a fundamental understanding of biological systems. Bringing together the expert contributions from the conference, this book deals with the fundamental science and technology of atomic clusters, nano-structures and their assemblies in physical and biological systems. It explores in fascinating detail the manner in which finite size, low dimensionality, and reduced symmetry affect the properties of nano-assemblies.
Book Synopsis Proceedings of IEEE Sensors ... by :
Download or read book Proceedings of IEEE Sensors ... written by and published by . This book was released on 2003 with total page 690 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Magnetoresistance in Semiconductor-metal Hybrids for Power Applications by : Clay Nunnally
Download or read book Magnetoresistance in Semiconductor-metal Hybrids for Power Applications written by Clay Nunnally and published by . This book was released on 2008 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Extraordinary magnetoresistance (EMR) in semiconductor-metal hybrids has been studied exclusively for sensor applications. However, some properties of EMR-based devices are potentially advantageous for power applications. A PSPICE finite-element model has been developed to aid in the analysis and design of semiconductor-metal hybrid devices for power applications. This paper presents the model theory, implementation, and results when applied to an externally-shunted van der Pauw (vdP) plate. The conventional 4-terminal (4-point) vdP probe configuration for sensors is compared to 2-terminal (2-point) probe positioning which is necessary for power devices. The effects of material properties on resistance and magnetoresistance (MR) for an externally-shunted vdP plate in both probe configurations are presented. Two prototype metal-semiconductor hybrid topologies for power applications have been derived from EMR sensor technology and are examined here for the first time, the shunted Corbino plate (SCP) and the externally-shunted Hall plate (ESHP). The PSPICE FEM model was used to analyze MR behavior as a function of geometric ratios characteristic of each new topology and semiconductor material properties. Sets of models for each topology generated using ElecNET were used to evaluate these devices' pulsed-current and breakdown limitations. The PSPICE model has the benefit of being versatile, simple, and computationally stable. Understanding the 2-point resistance behavior of existing EMR sensors is a primary step in characterizing EMR-based power devices since it, and not the conventional 4-point resistance, is of merit for power applications. The largest room-temperature MR ([delta]R/Ro) calculated for each prototype topology was approximately 2000% at 1 T. Current concentration caused by the inclusion of a shunt was found to limit the pulsed current capacity in each device studied. For a common scale (13.6 mm x 3.4 mm x 1 mm), pulsed-current capacity was found to vary within each device topology according to a characteristic geometric ratio. The best candidate, in terms of MR, from the SCP family showed a 1-ms pulsed current capacity of 323 A. In contrast, the pulsed current capacity of the best ESHP device was found to be 82 A. The best device geometries in terms of MR showed the lowest breakdown voltage among each set, both ~ 200 V. The data set presented here is useful for purely characterization purposes. But also, these findings and the unavoidable trade-off between magnetic sensitivity and breakdown voltage indicate that potential advantages are offset by intrinsic limitations in the use of the EMR effect for power applications.
Book Synopsis Extraordinary Electro- and Opto- Conductance in III-V Semiconductor Metal Hybrid Structures by : Yun Wang
Download or read book Extraordinary Electro- and Opto- Conductance in III-V Semiconductor Metal Hybrid Structures written by Yun Wang and published by . This book was released on 2008 with total page 284 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Handbook of Magnetism and Advanced Magnetic Materials: Spintronics and magnetoelectronics by : Helmut Kronmüller
Download or read book Handbook of Magnetism and Advanced Magnetic Materials: Spintronics and magnetoelectronics written by Helmut Kronmüller and published by . This book was released on 2007 with total page 550 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Condensed Matter Theories by : Feodor V. Kusmartsev
Download or read book Condensed Matter Theories written by Feodor V. Kusmartsev and published by World Scientific. This book was released on 2010 with total page 645 pages. Available in PDF, EPUB and Kindle. Book excerpt: Pt. A. Statistical mechanics, magnetism, quantum and nonlinear dynamics. The groundstates and phases of the two-dimensional fully frustrated XY model / P. Minnhagen, S. Bernhardsson and B.J. Kim. 2D Ising model with competing interactions and its application to clusters and arrays of [symbol]-rings, graphene and adiabatic quantum computing / A. O'Hare, F.V. Kusmartsev and K.I. Kugel. Concerning the equation of state for a partially ionized system / G.A. Baker Jr. Quasiclassical Fourier path integral quantum correction terms to the kinetic energy of interacting quantum many-body systems / K.A. Gernoth. Ergodicity and chaos in a system of harmonic oscillators / M.H. Lee. Chaotic modes in scale free opinion networks / F.V. Kusmartsev and K.E. Kürten. Astroid curves for a synthetic antiferromagnetic stack in an applied magnetic field / D.M. Forrester [und weitere]. Entanglement properties of quantum many-body wave functions / J.W. Clark [und weitere] -- pt. B. Fermi and Bose fluids. Topological phase transitions in strongly correlated Fermi systems / J.W. Clark, V.A. Khodel and M.V. Zverev. Deconfinement and quantum liquid crystalline states of dipolar fermions in optical lattices / S.T. Carr, J. Quintanilla and J.J. Betouras. On the "generalized Slater" approximation / J. Messud [und weitere]. Fluid helium-4 in thermal equilibrium / K.A. Gernoth and M.L. Ristig. Microscopic approach in the description of slowing of electromagnetic pulses in BEC of alkalis / Y. Slyusarenko and A. Sotnikov. Anomalous behavior of ideal Fermi gas below 2D : The "ideal quantum dot" and the Paul exclusion principle / M. Grether, M. de Llano and M.H. Lee -- pt. C. Transport theory. On the quantum Hall effect in graphene / S. Fujita [und weitere]. Modelling charge transport in DNA using transfer matrices with diagonal terms / S.A. Wells, C.-T. Shih and R.A. Römer. Similarities between embolic stroke and percolation problems / J.P. Hague. Extraordinary magnetoresistance in hybrid semiconductor-metal systems / T.H. Hewett and F.V. Kusmartsev. Topological aspects of the specific heat / C.M. Sarris and A.N. Proto. Effects of electron-electron interactions in two dimensions / S.V. Kravchenko
Book Synopsis Condensed Matter Theories, Volume 24 (With Cd-rom) - Proceedings Of The 32nd International Workshop by : Feodor V Kusmartsev
Download or read book Condensed Matter Theories, Volume 24 (With Cd-rom) - Proceedings Of The 32nd International Workshop written by Feodor V Kusmartsev and published by World Scientific. This book was released on 2009-12-10 with total page 645 pages. Available in PDF, EPUB and Kindle. Book excerpt: This unique volume presents the scientific achievements of outstanding scientists from different countries working in diverse areas of Condensed Matter Physics. Drawn from the 32nd International Workshop on Condensed Matter Theories held in Loughborough in August 2008, these 46 papers, while centered on the concepts and techniques of theoretical condensed matter physics, also address broad issues of common concern for all physicists. It is particularly relevant to theorists who apply advanced many-particle methods in other areas of physics.The primary topics covered in the paper contributions include: statistical mechanics, nonlinear dynamics, quantum Fermi and Bose liquids, boson condensates, strongly correlated electron systems, superconductivity and phase transitions. Among the specific questions addressed and discussed are modern theories of graphene, Quantum Hall Effect, models of social dynamics, which are based on the example of Obama-McCain election, extraordinary magnetoresistance, supercooled atomic gases, transitions between various magnetic states in different systems made from magnetic nanoparticles, order-disorder-order phase transitions in spin frustrated systems, embolic stroke and semifluxon dynamics in extended Josephson junctions. The book provides the latest updated information on modern Condensed Matter Theories and the methods used. The many recent developments in the field such as the discovery of graphene or of new phenomena in supercooled gases or of an extraordinary magnetoresistance augur well for this timely publication. The main value of the book lies in the diversity of topics being covered comprehensively, which puts the book in a primary position in the modern market.
