Spatially Resolved Low-Temperature Scanning Tunneling Spectroscopy on AuFe Spin-Glass Films PDF Download
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Author: A. Depuydt
Publisher:
ISBN:
Category :
Languages : en
Pages : 4
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Book Description
In this contribution, we will demonstrate the possibility to study size effects in thin films of AuFe spin-glass alloys by investigating the differential conductance near the Fermi level with low-temperature scanning tunneling spectroscopy (STS). As confirmed by point contact expenments, the voltage dependence of the differential conductance can be directly linked to the tempereture dependence of the resistivity 8. The STS measurements provide the unique possibility to probe possible spatial variations of the size effects. Moreoven combining the STS measurements with topographic scanning tunneling micrescopy (STM) images of the surface may allow to check the influence of the local surface roughness on the spin scattering processes.
Author: A. Depuydt
Publisher:
ISBN:
Category :
Languages : en
Pages : 4
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Book Description
In this contribution, we will demonstrate the possibility to study size effects in thin films of AuFe spin-glass alloys by investigating the differential conductance near the Fermi level with low-temperature scanning tunneling spectroscopy (STS). As confirmed by point contact expenments, the voltage dependence of the differential conductance can be directly linked to the tempereture dependence of the resistivity 8. The STS measurements provide the unique possibility to probe possible spatial variations of the size effects. Moreoven combining the STS measurements with topographic scanning tunneling micrescopy (STM) images of the surface may allow to check the influence of the local surface roughness on the spin scattering processes.
Author: Alexander Cyril Hewson
Publisher: Cambridge University Press
ISBN: 9780521599474
Category : Science
Languages : en
Pages : 476
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Book Description
The behaviour of magnetic impurities in metals has posed problems to challenge the condensed matter theorist over the past 30 years. This book deals with the concepts and techniques which have been developed to meet this challenge, and with their application to the interpretation of experiments. This book will be of interest to condensed matter physicists, particularly those interested in strong correlation problems. The detailed discussions of advanced many-body techniques should make it of interest to theoretical physicists in general.
Author: Rudolf Huebener
Publisher: Springer Science & Business Media
ISBN: 9783540423362
Category : Medical
Languages : en
Pages : 390
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Book Description
Topological defects are generic in continuous media. In the relativistic quantum vacuum they are known as cosmic strings, in superconductors as quantized flux lines, and in superfluids, low-density atomic Bose-Einstein condensates and neutron stars as quantized vortex lines. This collection of articles by leading scientists presents a modern treatment of the physics of vortex matter, mainly applied to unconventional superconductors and superfluids but with extensions to other areas of physics.
Author: Stefan Hüfner
Publisher: Springer Science & Business Media
ISBN: 3662031507
Category : Science
Languages : en
Pages : 525
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Book Description
An up-to-date introduction to the field, treating in depth the electronic structures of atoms, molecules, solids and surfaces, together with brief descriptions of inverse photoemission, spin-polarized photoemission and photoelectron diffraction. Experimental aspects are considered throughout and the results carefully interpreted by theory. A wealth of measured data is presented in tabullar for easy use by experimentalists.
Author: The Surface Science Society of Japan
Publisher: Springer
ISBN: 9811061564
Category : Technology & Engineering
Languages : en
Pages : 807
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Book Description
This book concisely illustrates the techniques of major surface analysis and their applications to a few key examples. Surfaces play crucial roles in various interfacial processes, and their electronic/geometric structures rule the physical/chemical properties. In the last several decades, various techniques for surface analysis have been developed in conjunction with advances in optics, electronics, and quantum beams. This book provides a useful resource for a wide range of scientists and engineers from students to professionals in understanding the main points of each technique, such as principles, capabilities and requirements, at a glance. It is a contemporary encyclopedia for selecting the appropriate method depending on the reader's purpose.
Author: Michel Andre Aegerter
Publisher: Springer Science & Business Media
ISBN: 0387889531
Category : Technology & Engineering
Languages : en
Pages : 474
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Book Description
Sol-Gel Techniques for Glass Producers and Users provides technological information, descriptions and characterizations of prototypes, or products already on the market, and illustrates advantages and disadvantages of the sol-gel process in comparison to other methods. The first chapter entitled "Wet Chemical Technology" gives a summary of the basic principles of the sol-gel chemistry. The most promising applications are related to coatings. Chapter 2 describes the various "Wet Chemical Coating Technologies" from glass cleaning to many deposition and post-coating treatment techniques. These include patterning of coatings through direct or indirect techniques which have became very important and for which the sol-gel processing is particularly well adapted. Chapter 3 entitled "Bulk Glass Technologies" reports on the preparation of special glasses for different applications. Chapter 4 entitled "Coatings and Materials Properties" describes the properties of the different coatings and the sol-gel materials, fibers and powders. The chapter also includes a section dedicated to the characterization techniques especially applied to sol-gel coatings and products.
Author: Anatoly Larkin
Publisher: OUP Oxford
ISBN: 0191523704
Category : Science
Languages : en
Pages : 432
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Book Description
This book presents a complete encyclopedia of superconducting fluctuations, summarising the last thirty-five years of work in the field. The first part of the book is devoted to an extended discussion of the Ginzburg-Landau phenomenology of fluctuations in its thermodynamical and time-dependent versions and its various applications. The second part deals with microscopic justification of the Ginzburg-Landau approach and presents the diagrammatic theory of fluctuations. The third part is devoted to a less-detailed review of the manifestation of fluctuations in observables: diamagnetism, magnetoconductivity, various tunneling characteristics, thermoelectricity, and NMR relaxation. The final chapters turn to the manifestation of fluctuations in unconventional superconducting systems: nanodrops, nanorings, Berezinsky-Kosterlitz-Thouless state, quantum phase transition between superconductor and insulator, and thermal and quantum fluctuations in weak superconducting systems. The book ends with a brief discussion on theories of high temperature superconductivity, where fluctuations appear as the possible protagonist of this exciting phenomenon.
Author: Françoise Hippert
Publisher: Springer Science & Business Media
ISBN: 1402033370
Category : Science
Languages : en
Pages : 580
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Book Description
- Up-to-date account of the principles and practice of inelastic and spectroscopic methods available at neutron and synchrotron sources - Multi-technique approach set around a central theme, rather than a monograph on one technique - Emphasis on the complementarity of neutron spectroscopy and X-ray spectroscopy which are usually treated in separate books
Author: Venkat Chandrasekhar
Publisher: Springer Science & Business Media
ISBN: 9781402004018
Category : Science
Languages : en
Pages : 292
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Book Description
The availability of nanolithographic tools and new spectroscopies (scanning tunneling microscope, mechanically controllable break junctions) has opened the possibility of directly probing the Kondo effect on the relevant mesoscopic size scale. This book brings together the major progress that has been made during the past few years on low-dimensional Kondo systems. Apart from size effects in dilute magnetic alloys, the book focuses on the two-channel Kondo effect to describe two-level systems which influence the electron transport through metallic nanobridges and cause dephasing in disordered metal films. It also reveals how quantum dots can be used as perfectly tunable Kondo systems.
Author:
Publisher:
ISBN:
Category : Physics
Languages : en
Pages : 1354
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Book Description
