Point Contact Spectroscopy With Nanofabricated Junctions Of Spin And Energy Dependent Transport In Heterogeneous Ferromagnetic Systems PDF Download
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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 | : Yu.G. Naidyuk |
Publisher | : Springer Science & Business Media |
Total Pages | : 320 |
Release | : 2005 |
Genre | : Science |
ISBN | : 9780387212357 |
Download Point-Contact Spectroscopy Book in PDF, ePub and Kindle
Various experimental techniques for point contact production are described. Examples of point-contact spectra are presented for pure metals, alloys and compounds, as well as for semimetals and semiconductors, heavy fermion systems, Kond-lattices, mixed valence compounds and more. Superconducting point contacts are considered in respect to Andreev reflection and Josephson effects. Special attention is paid to contact conductance fluctuation, and new trends of research are outlined.
Author | : A.V. Khotkevich |
Publisher | : Springer Science & Business Media |
Total Pages | : 162 |
Release | : 2013-11-27 |
Genre | : Science |
ISBN | : 146152265X |
Download Atlas of Point Contact Spectra of Electron-Phonon Interactions in Metals Book in PDF, ePub and Kindle
The characteristics of electrical contacts have long attracted the attention of researchers since these contacts are used in every electrical and electronic device. Earlier studies generally considered electrical contacts of large dimensions, having regions of current concentration with diameters substantially larger than the characteristic dimensions of the material: the interatomic distance, the mean free path for electrons, the coherence length in the superconducting state, etc. [110]. The development of microelectronics presented to scientists and engineers the task of studying the characteristics of electrical contacts with ultra-small dimensions. Characteristics of point contacts such as mechanical stability under continuous current loads, the magnitudes of electrical fluctuations, inherent sensitivity in radio devices and nonlinear characteristics in connection with electromagnetic radiation can not be understood and altered in the required way without knowledge of the physical processes occurring in contacts. Until recently it was thought that the electrical conductivity of contacts with direct conductance (without tunneling or semiconducting barriers) obeyed Ohm's law. Nonlinearities of the current-voltage characteristics were explained by joule heating of the metal in the region of the contact. However, studies of the current-voltage characteristics of metallic point contacts at low (liquid helium) temperatures [142] showed that heating effects were negligible in many cases and the nonlinear characteristics under these conditions were observed to take the form of the energy dependent probability of inelastic electron scattering, induced by various mechanisms.
Author | : |
Publisher | : |
Total Pages | : 824 |
Release | : 1997 |
Genre | : Dissertations, Academic |
ISBN | : |
Download Dissertation Abstracts International Book in PDF, ePub and Kindle
Author | : Sadamichi Maekawa |
Publisher | : Oxford University Press |
Total Pages | : 541 |
Release | : 2017 |
Genre | : Science |
ISBN | : 0198787073 |
Download Spin Current Book in PDF, ePub and Kindle
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.
Author | : Lawrence H Bennett |
Publisher | : World Scientific |
Total Pages | : 397 |
Release | : 1994-12-16 |
Genre | : Technology & Engineering |
ISBN | : 9814571067 |
Download Magnetic Multilayers Book in PDF, ePub and Kindle
This book focuses on an increasingly important area of materials science and technology, namely, the fabrication and properties of artificial materials where slabs of magnetized materials are sandwiched between slabs of nonmagnetized materials. It includes reviews by experts on the theory and descriptions of the various experimental techniques such as those using nuclear or electron spin probes, as well as optical, X-ray or neutron probes. It also reviews potential applications such as the giant magnetoresistance, and one specialized preparation technique, the electrodeposition. The various chapters are tutorial in nature, making the subject accessible to nonspecialists, as well as useful to researchers in the field.
Author | : Kallum M. Koczkur |
Publisher | : American Chemical Society |
Total Pages | : 164 |
Release | : 2020-07-31 |
Genre | : Science |
ISBN | : 0841299013 |
Download Metal Nanocrystals Book in PDF, ePub and Kindle
Our society depends heavily on metals. They are ubiquitous construction materials, critical interconnects in integrated circuits, common coinage materials, and more. Excitingly, new uses for metals are emerging with the advent of nanoscience, as metal crystals with nanoscale dimensions can display new and tunable properties. The optical and photothermal properties of metal nanocrystals have led to cancer diagnosis and treatment platforms now in clinical trials, while, at the same time, the ability to tune the surface features of metal nanocrystals is giving rise to designer catalysts that enable more sustainable use of precious resources. These are just two examples of how metal nanocrystals are addressing important social needs.
Author | : Stuart A. Wolf |
Publisher | : Springer Science & Business Media |
Total Pages | : 1086 |
Release | : 2012-12-06 |
Genre | : Technology & Engineering |
ISBN | : 1461319374 |
Download Novel Superconductivity Book in PDF, ePub and Kindle
The Novel Mechanisms of Superconductivity Conference was initially conceived in the early part of 1986 as a small, 2-1/2 day workshop of 40-70 scientists, both theorists and experimentalists interested in exploring the possible evidence for exotic, non phononic superconductivity. Of course, the historic discoveries of high temperature oxide superconductors by Bednorz and Mftller and the subsequent enhancements by the Houston/Alabama groups made such a small conference impractical. The conference necessarily had to expand, 2-1/2 days became 4-1/2 days and superconductivity in the high Tc oxides became the largest single topic in the workshop. In fact, this conference became the first major conference on this topic and thus, these proceedings are also the first maj or publication. However, heavy fermion, organic and low carrier concentration superconductors remained a very important part of this workshop and articles by the leaders in these fields are included in these proceedings. Ultimately the workshop hosted rearly 400 scientists, students and media including representatives from the maj or research groups in the U.S., Europe, Japan and the Soviet Union.
Author | : Tuncay Ozel |
Publisher | : Springer |
Total Pages | : 116 |
Release | : 2016-09-24 |
Genre | : Science |
ISBN | : 3319454145 |
Download Coaxial Lithography Book in PDF, ePub and Kindle
This thesis focuses on the electrochemical synthesis of multi-segmented nanowires. In contrast to previous work, which was largely limited to one-dimensional modifications, Tuncay Ozel presents a technique, termed coaxial Lithography (COAL), which allows for the synthesis of coaxial nanowires in a parallel fashion with sub-10 nanometer resolution in both the axial and radial dimensions. This work has significantly expanded current synthetic capabilities with respect to materials generality and the ability to tailor two-dimensional growth in the formation of core-shell structures. These developments have enabled fundamental and applied studies which were not previously possible. The COAL technique will increase the capabilities of many researchers who are interested in studying light-matter interactions, nanoparticle assembly, solution-dispersible nanoparticles and labels, semiconductor device physics and nanowire biomimetic probe preparation. The methodology and results presented in this thesis appeal to researchers in nanomaterial synthesis, plasmonics, biology, photovoltaics, and photocatalysis.
Author | : Ulrich Schollwöck |
Publisher | : Springer |
Total Pages | : 488 |
Release | : 2008-05-14 |
Genre | : Science |
ISBN | : 3540400664 |
Download Quantum Magnetism Book in PDF, ePub and Kindle
Closing a gap in the literature, this volume is intended both as an introductory text at postgraduate level and as a modern, comprehensive reference for researchers in the field. Provides a full working description of the main fundamental tools in the theorists toolbox which have proven themselves on the field of quantum magnetism in recent years. Concludes by focusing on the most important cuurent materials form an experimental viewpoint, thus linking back to the initial theoretical concepts.