Ferromagnetic Electrodes for Spin-Polarized Transport - Technology and Experiments

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Author :
Publisher : Cuvillier Verlag
ISBN 13 : 373691072X
Total Pages : 81 pages
Book Rating : 4.7/5 (369 download)

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Book Synopsis Ferromagnetic Electrodes for Spin-Polarized Transport - Technology and Experiments by :

Download or read book Ferromagnetic Electrodes for Spin-Polarized Transport - Technology and Experiments written by and published by Cuvillier Verlag. This book was released on 2004-05-13 with total page 81 pages. Available in PDF, EPUB and Kindle. Book excerpt: Im Rahmen der vorliegenden Arbeit ist eine Technologie zur Sputterdeposition ferromagnetischer dünner Schichten aufgebaut worden. Nanostrukturierte ferromagnetische Elektroden, die in Experimenten zum spinpolarisierten Transport eingesetzt werden, wurden präpariert und hinsichtlich ihrer elektrischen und magnetischen Eigenschaften charakterisiert. Im ersten Kapitel werden die Grundlagen der Sputterdeposition und des Sputterätzens erklärt sowie das während dieser Arbeit aufgebaute System beschrieben. Die verwendeten Prozesse wurden mit Hilfe statistischer Methoden charakterisiert. Dabei ist der Einfluss der Argon-Ionenenergie und des Prozessdrucks sowohl auf die Depositions- und Ätzraten als auch auf die Rauhigkeiten der Schichten und Substrate systematisch untersucht worden. Erste Ergebnisse bezüglich der Sputterdeposition der ternären Heusler-Legierung Ni2MnIn werden gezeigt. Dabei wird zusätzlich die Abhängigkeit der Filmstöchiometrie von den Prozessparametern untersucht. Das zweite Kapitel behandelt die Charakterisierung gesputterter ferromagnetischer dünner Schichten und Nanostrukturen. Mit Magnetkraftmikroskopie in äußeren Magnetfeldern und dem magnetooptischen Kerr-Effekt wurden die Formanisotropie und die Kristallanisotropie gesputterter Permalloy (Ni80Fe20)-Elektroden und homogener Schichten untersucht. Der anisotrope Magnetowiderstand wurde an Nanodrähten aus Permalloy und Nickel mit Hilfe von Transportmessungen in äußeren Magnetfeldern untersucht.Das dritte Kapitel behandelt Ferromagnet/Supraleiter-Hybridsysteme. Theoretische Konzepte werden vorgestellt, und die Ergebnisse für elektronenstrahllithografisch definierte Kontakte werden diskutiert. Für Punktkontakte ist während dieser Arbeit ein neues Mess- und Auswertesystem entwickelt worden. Aus den damit gemessenen Transportdaten wurde die Spinpolarisation für verschiedene Materialien bestimmt.

Ferromagnetic Electrodes for Spin-polarized Transport

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Author :
Publisher : Cuvillier Verlag
ISBN 13 : 3865370721
Total Pages : 83 pages
Book Rating : 4.8/5 (653 download)

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Book Synopsis Ferromagnetic Electrodes for Spin-polarized Transport by : Christian Pels

Download or read book Ferromagnetic Electrodes for Spin-polarized Transport written by Christian Pels and published by Cuvillier Verlag. This book was released on 2004 with total page 83 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Spin Polarized Transport in Magnetic Layered Structures

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Publisher :
ISBN 13 :
Total Pages : 150 pages
Book Rating : 4.:/5 (318 download)

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Book Synopsis Spin Polarized Transport in Magnetic Layered Structures by : René Johannes Marinus van de Verdonk

Download or read book Spin Polarized Transport in Magnetic Layered Structures written by René Johannes Marinus van de Verdonk and published by . This book was released on 1999 with total page 150 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Transport Phenomena in Thermoelectric and Ferromagnetic Nanostructures

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Publisher : Cuvillier Verlag
ISBN 13 : 3736945191
Total Pages : 154 pages
Book Rating : 4.7/5 (369 download)

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Book Synopsis Transport Phenomena in Thermoelectric and Ferromagnetic Nanostructures by : Johannes Kimling

Download or read book Transport Phenomena in Thermoelectric and Ferromagnetic Nanostructures written by Johannes Kimling and published by Cuvillier Verlag. This book was released on 2013-09-23 with total page 154 pages. Available in PDF, EPUB and Kindle. Book excerpt: Research on transport phenomena in a variety of materials has played a decisive role in the development of solidstate physics and has led to important applications of functional materials, e.g. for the conversion and storage of energy or in the fi eld of storage and processing of data. This thesis deals with transport phenomena in nanoscale systems. The Seebeck effect is explored in Bi2Te3 nanowires, the anisotropic magnetothermal resistance effect in Ni nanowires, and the giant magnetothermal resistance effect in Co/Cu multilayers.

Organic Spintronics

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Publisher : CRC Press
ISBN 13 : 1439806578
Total Pages : 354 pages
Book Rating : 4.4/5 (398 download)

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Book Synopsis Organic Spintronics by : Zeev Valy Vardeny

Download or read book Organic Spintronics written by Zeev Valy Vardeny and published by CRC Press. This book was released on 2010-04-09 with total page 354 pages. Available in PDF, EPUB and Kindle. Book excerpt: Major development efforts in organic materials research has grown for an array of applications. Organic spintronics, in particular, has flourished in the area of organic magneto-transport. Reflecting the main avenues of advancement in this arena, this volume explores spin injection and manipulation in organic spin valves, the magnetic field effect in organic light-emitting diodes (OLEDs), the spin transport effect in relation to spin manipulation, organic magnets as spin injection electrodes in organic spintronics devices, the coherent control of spins in organic devices using the technique of electronically detected magnetic resonance, and the possibility of using organic spin valves as sensors.

Spin Electronics

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Publisher : Springer Science & Business Media
ISBN 13 : 9401705321
Total Pages : 216 pages
Book Rating : 4.4/5 (17 download)

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Book Synopsis Spin Electronics by : David D. Awschalom

Download or read book Spin Electronics written by David D. Awschalom and published by Springer Science & Business Media. This book was released on 2013-06-29 with total page 216 pages. Available in PDF, EPUB and Kindle. Book excerpt: The history of scientific research and technological development is replete with examples of breakthroughs that have advanced the frontiers of knowledge, but seldom does it record events that constitute paradigm shifts in broad areas of intellectual pursuit. One notable exception, however, is that of spin electronics (also called spintronics, magnetoelectronics or magnetronics), wherein information is carried by electron spin in addition to, or in place of, electron charge. It is now well established in scientific and engineering communities that Moore's Law, having been an excellent predictor of integrated circuit density and computer performance since the 1970s, now faces great challenges as the scale of electronic devices has been reduced to the level where quantum effects become significant factors in device operation. Electron spin is one such effect that offers the opportunity to continue the gains predicted by Moore's Law, by taking advantage of the confluence of magnetics and semiconductor electronics in the newly emerging discipline of spin electronics. From a fundamental viewpoine, spin-polarization transport in a material occurs when there is an imbalance of spin populations at the Fermi energy. In ferromagnetic metals this imbalance results from a shift in the energy states available to spin-up and spin-down electrons. In practical applications, a ferromagnetic metal may be used as a source of spin-polarized electronics to be injected into a semiconductor, a superconductor or a normal metal, or to tunnel through an insulating barrier.

Spintronics for Next Generation Innovative Devices

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Publisher : John Wiley & Sons
ISBN 13 : 1118751787
Total Pages : 280 pages
Book Rating : 4.1/5 (187 download)

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Book Synopsis Spintronics for Next Generation Innovative Devices by : Katsuaki Sato

Download or read book Spintronics for Next Generation Innovative Devices written by Katsuaki Sato and published by John Wiley & Sons. This book was released on 2015-07-22 with total page 280 pages. Available in PDF, EPUB and Kindle. Book excerpt: Spintronics (short for spin electronics, or spin transportelectronics) exploits both the intrinsic spin of the electron andits associated magnetic moment, in addition to its fundamentalelectronic charge, in solid-state devices. Controlling the spin ofelectrons within a device can produce surprising and substantialchanges in its properties. Drawing from many cutting edge fields, including physics, materialsscience, and electronics device technology, spintronics hasprovided the key concepts for many next generation informationprocessing and transmitting technologies. This book discusses allaspects of spintronics from basic science to applications andcovers: • magnetic semiconductors • topological insulators • spin current science • spin caloritronics • ultrafast magnetization reversal • magneto-resistance effects and devices • spin transistors • quantum information devices This book provides a comprehensive introduction to Spintronicsfor researchers and students in academia and industry.

Comprehensive Nanoscience and Technology

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Publisher : Academic Press
ISBN 13 : 0123743966
Total Pages : 2785 pages
Book Rating : 4.1/5 (237 download)

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Book Synopsis Comprehensive Nanoscience and Technology by :

Download or read book Comprehensive Nanoscience and Technology written by and published by Academic Press. This book was released on 2010-10-29 with total page 2785 pages. Available in PDF, EPUB and Kindle. Book excerpt: From the Introduction: Nanotechnology and its underpinning sciences are progressing with unprecedented rapidity. With technical advances in a variety of nanoscale fabrication and manipulation technologies, the whole topical area is maturing into a vibrant field that is generating new scientific research and a burgeoning range of commercial applications, with an annual market already at the trillion dollar threshold. The means of fabricating and controlling matter on the nanoscale afford striking and unprecedented opportunities to exploit a variety of exotic phenomena such as quantum, nanophotonic and nanoelectromechanical effects. Moreover, researchers are elucidating new perspectives on the electronic and optical properties of matter because of the way that nanoscale materials bridge the disparate theories describing molecules and bulk matter. Surface phenomena also gain a greatly increased significance; even the well-known link between chemical reactivity and surface-to-volume ratio becomes a major determinant of physical properties, when it operates over nanoscale dimensions. Against this background, this comprehensive work is designed to address the need for a dynamic, authoritative and readily accessible source of information, capturing the full breadth of the subject. Its six volumes, covering a broad spectrum of disciplines including material sciences, chemistry, physics and life sciences, have been written and edited by an outstanding team of international experts. Addressing an extensive, cross-disciplinary audience, each chapter aims to cover key developments in a scholarly, readable and critical style, providing an indispensible first point of entry to the literature for scientists and technologists from interdisciplinary fields. The work focuses on the major classes of nanomaterials in terms of their synthesis, structure and applications, reviewing nanomaterials and their respective technologies in well-structured and comprehensive articles with extensive cross-references. It has been a constant surprise and delight to have found, amongst the rapidly escalating number who work in nanoscience and technology, so many highly esteemed authors willing to contribute. Sharing our anticipation of a major addition to the literature, they have also captured the excitement of the field itself in each carefully crafted chapter. Along with our painstaking and meticulous volume editors, full credit for the success of this enterprise must go to these individuals, together with our thanks for (largely) adhering to the given deadlines. Lastly, we record our sincere thanks and appreciation for the skills and professionalism of the numerous Elsevier staff who have been involved in this project, notably Fiona Geraghty, Megan Palmer and Greg Harris, and especially Donna De Weerd-Wilson who has steered it through from its inception. We have greatly enjoyed working with them all, as we have with each other.

Oxford Handbook of Nanoscience and Technology

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Publisher : OUP Oxford
ISBN 13 : 0199533040
Total Pages : 919 pages
Book Rating : 4.1/5 (995 download)

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Book Synopsis Oxford Handbook of Nanoscience and Technology by : A. V. Narlikar

Download or read book Oxford Handbook of Nanoscience and Technology written by A. V. Narlikar and published by OUP Oxford. This book was released on 2010-02-11 with total page 919 pages. Available in PDF, EPUB and Kindle. Book excerpt: These three volumes are intended to shape the field of nanoscience and technology and will serve as an essential point of reference for cutting-edge research in the field.

Current-phase Relationship of Nb-InAs(2DES)-Nb Josephson Junctions

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Publisher : Cuvillier Verlag
ISBN 13 : 3865372538
Total Pages : 95 pages
Book Rating : 4.8/5 (653 download)

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Book Synopsis Current-phase Relationship of Nb-InAs(2DES)-Nb Josephson Junctions by : Mark Ebel

Download or read book Current-phase Relationship of Nb-InAs(2DES)-Nb Josephson Junctions written by Mark Ebel and published by Cuvillier Verlag. This book was released on 2004 with total page 95 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Handbook of Spin Transport and Magnetism

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Publisher : CRC Press
ISBN 13 : 1439803781
Total Pages : 797 pages
Book Rating : 4.4/5 (398 download)

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Book Synopsis Handbook of Spin Transport and Magnetism by : Evgeny Y. Tsymbal

Download or read book Handbook of Spin Transport and Magnetism written by Evgeny Y. Tsymbal and published by CRC Press. This book was released on 2016-04-19 with total page 797 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the past several decades, the research on spin transport and magnetism has led to remarkable scientific and technological breakthroughs, including Albert Fert and Peter Grunberg's Nobel Prize-winning discovery of giant magnetoresistance (GMR) in magnetic metallic multilayers. Handbook of Spin Transport and Magnetism provides a comprehensive, bal

Quantum Waveguide in Microcircuits

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Publisher : CRC Press
ISBN 13 : 9814669865
Total Pages : 407 pages
Book Rating : 4.8/5 (146 download)

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Book Synopsis Quantum Waveguide in Microcircuits by : Jian-Bai Xia

Download or read book Quantum Waveguide in Microcircuits written by Jian-Bai Xia and published by CRC Press. This book was released on 2017-12-01 with total page 407 pages. Available in PDF, EPUB and Kindle. Book excerpt: Moore's Law predicts that the degree of microprocessor integration of circuits would double every 18 months in DRAM. Although the scaling of microelectronic circuit elements still follows Moore's Law, the unit density of power consumption becomes unacceptable. Therefore, on one hand, people develop continuously the microelectronic technology. On the other, people consider the developing road after Moore's rule is broken. This book introduces theories and experiments of quantum transport and intends to provide foundations of semiconductor micro- and nano electronics for after the Moore age.

IAENG Transactions on Engineering Technologies

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Publisher : Springer Science & Business Media
ISBN 13 : 9400756518
Total Pages : 380 pages
Book Rating : 4.4/5 (7 download)

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Book Synopsis IAENG Transactions on Engineering Technologies by : Gi-Chul Yang

Download or read book IAENG Transactions on Engineering Technologies written by Gi-Chul Yang and published by Springer Science & Business Media. This book was released on 2012-12-28 with total page 380 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume contains revised and extended research articles written by prominent researchers participating in the conference. Topics covered include engineering physics, communications systems, control theory, automation, engineering mathematics, scientific computing, industrial engineering, and industrial applications. IAENG Transactions on Engineering Technologies: Special Issue of the International MultiConference of Engineers and Computer Scientists 2012 offers the state of art of tremendous advances in engineering technologies and physical science and applications, and also serves as an excellent reference work for researchers and graduate students working with/on engineering technologies and physical science and applications.

Metal Based Thin Films for Electronics

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Publisher : John Wiley & Sons
ISBN 13 : 3527606475
Total Pages : 388 pages
Book Rating : 4.5/5 (276 download)

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Book Synopsis Metal Based Thin Films for Electronics by : Klaus Wetzig

Download or read book Metal Based Thin Films for Electronics written by Klaus Wetzig and published by John Wiley & Sons. This book was released on 2006-03-06 with total page 388 pages. Available in PDF, EPUB and Kindle. Book excerpt: This up-to-date handbook covers the main topics of preparation, characterization and properties of complex metal-based layer systems. The authors -- an outstanding group of researchers -- discuss advanced methods for structure, chemical and electronic state characterization with reference to the properties of thin functional layers, such as metallization and barrier layers for microelectronics, magnetoresistive layers for GMR and TMR, sensor and resistance layers. As such, the book addresses materials specialists in industry, especially in microelectronics, as well as scientists, and can also be recommended for advanced studies in materials science, analytics, surface and solid state science.

Spin Current

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Publisher : Oxford University Press
ISBN 13 : 0198787073
Total Pages : 541 pages
Book Rating : 4.1/5 (987 download)

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Book Synopsis Spin Current by : Sadamichi Maekawa

Download or read book Spin Current written by Sadamichi Maekawa and published by Oxford University Press. This book was released on 2017 with total page 541 pages. Available in PDF, EPUB and Kindle. Book excerpt: In a new branch of physics and technology, called spin-electronics or spintronics, the flow of electrical charge (usual current) as well as the flow of electron spin, the so-called "spin current", are manipulated and controlled together. This book is intended to provide an introduction and guide to the new physics and applications of spin current.

Physics, Chemistry and Application of Nanostructures

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Publisher : World Scientific
ISBN 13 : 9814280356
Total Pages : 669 pages
Book Rating : 4.8/5 (142 download)

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Book Synopsis Physics, Chemistry and Application of Nanostructures by : Viktor Evgen?evich Borisenko

Download or read book Physics, Chemistry and Application of Nanostructures written by Viktor Evgen?evich Borisenko and published by World Scientific. This book was released on 2009 with total page 669 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book presents invited reviews and original short notes with recent results obtained in fabrication study and application of nanostructures, which are promising for new generations of electronic and optoelectronic devices. Recent developments in nanotechnology, nanoelectronics, spintronics, nanophotonics, nanosensorics and nanobiology are presented.

Electronic Properties of Carbon Nanotubes

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Publisher : BoD – Books on Demand
ISBN 13 : 953307499X
Total Pages : 700 pages
Book Rating : 4.5/5 (33 download)

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Book Synopsis Electronic Properties of Carbon Nanotubes by : Jose Mauricio Marulanda

Download or read book Electronic Properties of Carbon Nanotubes written by Jose Mauricio Marulanda and published by BoD – Books on Demand. This book was released on 2011-07-27 with total page 700 pages. Available in PDF, EPUB and Kindle. Book excerpt: Carbon nanotubes (CNTs), discovered in 1991, have been a subject of intensive research for a wide range of applications. These one-dimensional (1D) graphene sheets rolled into a tubular form have been the target of many researchers around the world. This book concentrates on the semiconductor physics of carbon nanotubes, it brings unique insight into the phenomena encountered in the electronic structure when operating with carbon nanotubes. This book also presents to reader useful information on the fabrication and applications of these outstanding materials. The main objective of this book is to give in-depth understanding of the physics and electronic structure of carbon nanotubes. Readers of this book should have a strong background on physical electronics and semiconductor device physics. This book first discusses fabrication techniques followed by an analysis on the physical properties of carbon nanotubes, including density of states and electronic structures. Ultimately, the book pursues a significant amount of work in the industry applications of carbon nanotubes.