Spin Dependent Transport In Cobalt Nanocontacts PDF Download
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Author | : George Sarau |
Publisher | : Forschungszentrum Jülich |
Total Pages | : 101 |
Release | : 2007 |
Genre | : |
ISBN | : 3893365052 |
Download Spin Dependent Transport in Cobalt Nanocontacts Book in PDF, ePub and Kindle
Author | : Caitlin Morgan |
Publisher | : Forschungszentrum Jülich |
Total Pages | : 158 |
Release | : 2014-03-27 |
Genre | : |
ISBN | : 3893369260 |
Download Magnetoresistance and transport in carbon nanotube-based devices Book in PDF, ePub and Kindle
Author | : Georgi T. Staikov |
Publisher | : John Wiley & Sons |
Total Pages | : 279 |
Release | : 2007-02-27 |
Genre | : Technology & Engineering |
ISBN | : 3527610200 |
Download Electrocrystallization in Nanotechnology Book in PDF, ePub and Kindle
Here, the well-known editor in the field of electrocrystallization and his team of excellent international authors guarantee the high quality of the contributions. Clearly structured in two main parts, this book reviews the fundamentals and applications of electrocrystallization processes in nanotechnology. The first part, "Fundamentals" covers the basic concepts of electrocrystallization, computer simulations of low-dimensional metal phase formation, electrodeposition in templates and nanocavities, nanoscale electrocrystallization from ionic liquids, and superconformal electrodeposition of metals. The second part, "Preparation and properties of nanostructures", includes nanostructuring by STM tip induced localized electrocrystallization of metals, fabrication of ordered anodic nanoporous Al2O3 layers and their application, preparation of nanogaps, nanocontacts, nanowires and nanodots by selective electrochemical deposition, as well as electrodeposition of magnetic nanostructures and multilayers
Author | : Shashikant Upadhyay |
Publisher | : |
Total Pages | : 360 |
Release | : 1999 |
Genre | : |
ISBN | : |
Download Nanocontact Studies of Metals and Their Interfaces Book in PDF, ePub and Kindle
This dissertation reports studies of transport properties of electrons in metals at length scales of a few nanometers. These experiments were performed using nanofabricated point contacts between two thin films. At the narrowest point these devices are ten to thirty atomic spacings across. I have used them to study both properties of single metals and those of interfaces between different metals.
Author | : A. S. Sahakyan |
Publisher | : Nova Science Publishers |
Total Pages | : 0 |
Release | : 2017 |
Genre | : Fermions |
ISBN | : 9781536102765 |
Download Spin-dependent Transport Phenomena in Magnetic Nanostructures Book in PDF, ePub and Kindle
The scattering of spin one-half fermions (electrons and neutrons) in multilayer systems containing magnetic nano-elements is a broad avenue for revealing transport properties of materials such as conductance, coherent (ballistic) resistance, and the spin polarization of the electric current. The spin dependent scattering is also a diagnostic tool for the study of magnetic structures of magnetic elements themselves (neutrons). From a theoretical point of view, the solution of one-dimensional scattering problem is reduced to the transfer matrix problem of the spin-polarized (unpolarised) waves on a system consisting of finite potential barriers, characterized by classical magnetization vectors. Their combination together with the vector of the spin polarization of the incident wave (if it is polarized) forms a system of allocated general collinear, and in some cases noncoplanar to the interface directions. As a result, the system becomes more complex and rich with additional degrees of freedom (so-called degrees of noncollinearity). The transport and magnetic characteristics are substantially dependent on these degrees of freedom, and in many cases allow the governing of them. For example, consider a system consisting of two barriers with noncollinear magnetizations. It is shown that it possesses the basic spintronic properties; these include a giant (tunneling) magnetoresistance and valve effect. Besides this, an effect similar to that known in optics as the Malus effect is possible. In the multi-barrier system, one can add also other degrees of freedom, such as the ratio of the lengths of various magnetic domains, which is extremely important for the control of quantum interference effects. The described systems are interesting from the viewpoint of the possibility to design nano devices with predetermined properties, as well as the possibility of tuning those properties due to the additional degrees of freedom. To study these systems, generalization of the well-known transfer-matrix method for non-collinear systems is carried out. These exact calculations illustrate important clues and exciting opportunities that could be utilized when synthesizing a barrier profile heterostructure containing magnetic layers. Recent developments in the field of spin polarized transport should lead to many scientific advances in surface science, magnetism, solid state physics and tunneling.
Author | : Richard Nam Louie |
Publisher | : |
Total Pages | : 770 |
Release | : 1997 |
Genre | : |
ISBN | : |
Download Point Contact Spectroscopy with Nanofabricated Junctions of Spin and Energy-dependent Transport in Heterogeneous Ferromagnetic Systems Book in PDF, ePub and Kindle
Author | : Die deutsche Nationalbibliothek |
Publisher | : |
Total Pages | : 830 |
Release | : 2008 |
Genre | : |
ISBN | : |
Download Deutsche Nationalbibliografie Book in PDF, ePub and Kindle
Author | : |
Publisher | : |
Total Pages | : 868 |
Release | : 2008 |
Genre | : Dissertations, Academic |
ISBN | : |
Download Dissertation Abstracts International Book in PDF, ePub and Kindle
Author | : Natalia Domracheva |
Publisher | : Elsevier |
Total Pages | : 490 |
Release | : 2018-06-14 |
Genre | : Technology & Engineering |
ISBN | : 0128135956 |
Download Novel Magnetic Nanostructures Book in PDF, ePub and Kindle
Novel Magnetic Nanostructures: Unique Properties and Applications reviews the synthesis, design, characterization and unique properties of emerging nanostructured magnetic materials. It discusses the most promising and relevant applications, including data storage, spintronics and biomedical applications. Properties investigated include electronic, self-assembling, multifunctional, and magnetic properties, along with magnetic phenomena. Structures range from magnetic nanoclusters, nanoparticles, and nanowires, to multilayers and self-assembling nanosystems. This book provides a better understanding of the static and dynamic magnetism in new nanostructures for important applications. Provides an overview of the latest research on novel magnetic nanostructures, including molecular nanomagnets, metallacrown magnetic nanostructures, magnetic dendrimers, self-assembling magnetic structures, multifunctional nanostructures, and much more Reviews the synthesis, design, characterization and detection of useful properties in new magnetic nanostructures Highlights the most relevant applications, including spintronic, data storage and biomedical applications
Author | : David D. Awschalom |
Publisher | : Springer Science & Business Media |
Total Pages | : 216 |
Release | : 2013-06-29 |
Genre | : Science |
ISBN | : 9401705321 |
Download Spin Electronics Book in PDF, ePub and Kindle
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.