Progress In Ferromagnetism Research
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Progress In Ferromagnetism Research
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Author : V. N. Murray
language : en
Publisher: Nova Publishers
Release Date : 2006
Progress In Ferromagnetism Research written by V. N. Murray and has been published by Nova Publishers this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with Science categories.
Ferromagnetism is a form of magnetism that can be acquired in an external magnetic field and usually retained in its absence, so that ferromagnetic materials are used to make permanent magnets. A ferromagnetic material may therefore be said to have a high magnetic permeability and susceptibility (which depends upon temperature). Examples are iron, cobalt, nickel, and their alloys. Ultimately, ferromagnetism is caused by spinning electrons in the atoms of the material, which act as tiny weak magnets. They align parallel to each other within small regions of the material to form domains, or areas of stronger magnetism. In an unmagnetised material, the domains are aligned at random so there is no overall magnetic effect. If a magnetic field is applied to that material, the domains align to point in the same direction, producing a strong overall magnetic effect. Permanent magnetism arises if the domains remain aligned after the external field is removed. Ferromagnetic materials exhibit hysteresis. In 2004, it was discovered that a certain allotrope of carbon, nanofoam , exhibited ferromagnetism. The effect dissipates after a few hours at room temperature, but lasts longer at cold temperatures. The material is also a semiconductor. It is thought that other similarly formed materials, of boron and nitrogen, may also be ferromagnetic. This new book rings together leading research from throughout the world.
Progress In Ferromagnetism Research
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Author : Murray V.N.
language : en
Publisher:
Release Date : 2006
Progress In Ferromagnetism Research written by Murray V.N. and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with categories.
New Developments In Ferromagnetism Research
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Author : V. N. Murray
language : en
Publisher: Nova Publishers
Release Date : 2005
New Developments In Ferromagnetism Research written by V. N. Murray and has been published by Nova Publishers this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with Science categories.
Ferromagnetism is a form of magnetism that can be acquired in an external magnetic field and usually retained in its absence, so that ferromagnetic materials are used to make permanent magnets. A ferromagnetic material may therefore be said to have a high magnetic permeability and susceptibility (which depends upon temperature). Examples are iron, cobalt, nickel, and their alloys. Ultimately, ferromagnetism is caused by spinning electrons in the atoms of the material, which act as tiny weak magnets. They align parallel to each other within small regions of the material to form domains, or areas of stronger magnetism. In an unmagnetised material, the domains are aligned at random so there is no overall magnetic effect. If a magnetic field is applied to that material, the domains align to point in the same direction, producing a strong overall magnetic effect. Permanent magnetism arises if the domains remain aligned after the external field is removed. Ferromagnetic materials exhibit hysteresis. In 2004, it was discovered that a certain allotrope of carbon, nanofoam, exhibited ferromagnetism. The effect dissipates after a few hours at room temperature, but lasts longer at cold temperatures. The material is also a semiconductor. It is thought that other similarly formed materials, of boron and nitrogen, may also be ferromagnetic. This new book rings together leading research from throughout the world.
New Developments In Ferromagnetic Materials
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Author : Jacob Louis Snoek
language : en
Publisher:
Release Date : 1949
New Developments In Ferromagnetic Materials written by Jacob Louis Snoek and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1949 with Ferromagnetism categories.
Research Frontiers In Magnetochemistry
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Author : Charles J. O'Connor
language : en
Publisher: World Scientific
Release Date : 1993
Research Frontiers In Magnetochemistry written by Charles J. O'Connor and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993 with Science categories.
Over the past 25 years, there have been many advances in the understanding of magnetic phenomena in molecular systems. For example, a variety of low-dimensional materials, and many new ferromagnetic, antiferromagnetic, and ferrimagnetic systems have been synthesized and analyzed; metal cluster compounds that exhibit magnetic exchange have been examined; new orbital overlap theories have been proposed to explain magneto-structural correlations in exchange coupled systems; and efforts directed toward the preparation of an organic ferromagnetic material have produced new and interesting compounds. There have also been many advances in the use of magnetism as a probe of inorganic biomolecules.This volume brings together reviews of current research in magnetochemistry that are written by the world's leading researchers in the fields of chemistry, physics, materials science, and magnetism. It contains comprehensive and in-depth reviews that describe some of the current activities of these scientists and their research and lays the foundation for future research endeavors.
New Developments In Ferromagnetic Materials
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Author : Jacob Louis Snoek
language : en
Publisher:
Release Date : 1947
New Developments In Ferromagnetic Materials written by Jacob Louis Snoek and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1947 with Science categories.
The Physics Of Ferromagnetism
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Author : Terunobu Miyazaki
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-08-22
The Physics Of Ferromagnetism written by Terunobu Miyazaki and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-08-22 with Science categories.
This book covers both basic physics of ferromagnetism, such as magnetic moment, exchange coupling, magnetic anisotropy, and recent progress in advanced ferromagnetic materials. Special focus is placed on NdFeB permanent magnets and the materials studied in the field of spintronics (explaining the development of tunnel magnetoresistance effect through the so-called giant magnetoresistance effect).
Advances In Nanoscale Magnetism
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Author : Bekir Aktas
language : en
Publisher: Springer Science & Business Media
Release Date : 2008-09-08
Advances In Nanoscale Magnetism written by Bekir Aktas and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008-09-08 with Science categories.
The book aims to provide an overview of recent progress in the understanding of magnetic properties in nanoscale through recent results of various theoretical and experimental investigations. The papers describe a wide range of physical aspects.
Recent Advances In Magnetism Research
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Author : Keith Pace
language : en
Publisher: Nova Science Publishers
Release Date : 2013
Recent Advances In Magnetism Research written by Keith Pace and has been published by Nova Science Publishers this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013 with Magnetism categories.
In this book, the authors gather and present recent advances in magnetism research. Topics discussed include the field theory of magnetism; long-range order (LRO) and phase transition in the quantum anisotropic ferromagnetic Ising-Heisenberg linear chain; Green's function method in the Bogoliubov-Tyablikov version of the quantum theory of magnetism; diluted magnetic semiconductors; perpendicular magnetic anisotropy in half-metallic Heusler alloy films; a comparative study of the structural and physical properties of spinel nano-ferrites synthesised by a co-precipitation method; and the hysteretic behaviour of composite magnetic alloys.
Research In Progress
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Author :
language : en
Publisher:
Release Date : 1968
Research In Progress written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1968 with Military research categories.