Structure Magnetism And Excitations In Some Mn Based Magnetocaloric Effect Compounds

Author : Michael Gottschlich
Publisher : Forschungszentrum Jülich
ISBN 13 : 3893368744
Total Pages : 185 pages
Book Rating : 4.47/5 ( download)

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Download or read book Structure, Magnetism and Excitations in Some Mn-based Magnetocaloric Effect Compounds written by Michael Gottschlich and published by Forschungszentrum Jülich. This book was released on 2013 with total page 185 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Author : Denis Rudolf
Publisher : Forschungszentrum Jülich
ISBN 13 : 3893368949
Total Pages : 137 pages
Book Rating : 4.45/5 ( download)

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Download or read book Femtosecond Spin Dynamics in Magnetic Multilayers Employing High Harmonics of Laser Radiation written by Denis Rudolf and published by Forschungszentrum Jülich. This book was released on 2013 with total page 137 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Author : Thomas Brückel
Publisher : Forschungszentrum Jülich
ISBN 13 : 3893368809
Total Pages : 378 pages
Book Rating : 4.08/5 ( download)

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Download or read book Neutron Scattering written by Thomas Brückel and published by Forschungszentrum Jülich. This book was released on 2013 with total page 378 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Author : Jan K. G. Dhont
Publisher : Forschungszentrum Jülich
ISBN 13 : 3893368825
Total Pages : 155 pages
Book Rating : 4.22/5 ( download)

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Download or read book Solutions of Exercises in “An Introduction to Dynamics of Colloids” written by Jan K. G. Dhont and published by Forschungszentrum Jülich. This book was released on 2013 with total page 155 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Author : Alexander R. Thieß
Publisher : Forschungszentrum Jülich
ISBN 13 : 3893369066
Total Pages : 187 pages
Book Rating : 4.65/5 ( download)

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Download or read book Development and application of a massively parallel KKR Green function method for large scale systems written by Alexander R. Thieß and published by Forschungszentrum Jülich. This book was released on 2013 with total page 187 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Author : Christoph Kleimann
Publisher : Forschungszentrum Jülich
ISBN 13 : 3893368884
Total Pages : 163 pages
Book Rating : 4.84/5 ( download)

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Download or read book Adsorption of (hetero-)organic Phthalocyanine and PTCDA Thin Films on Ag(111) written by Christoph Kleimann and published by Forschungszentrum Jülich. This book was released on 2013 with total page 163 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Author : A.M. Tishin
Publisher : CRC Press
ISBN 13 : 1420033379
Total Pages : 489 pages
Book Rating : 4.73/5 ( download)

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Download or read book The Magnetocaloric Effect and its Applications written by A.M. Tishin and published by CRC Press. This book was released on 2016-04-19 with total page 489 pages. Available in PDF, EPUB and Kindle. Book excerpt: The magnetocaloric effect describes the change in temperature of a magnetic material under adiabatic conditions through the application or removal of an external magnetic field. This effect is particularly pronounced at temperatures and fields corresponding to magnetic phase transitions, and it is a powerful and widely used tool for investigating t

Author : Zhiqiang Ou
Publisher :
ISBN 13 : 9789088916670
Total Pages : pages
Book Rating : 4.75/5 ( download)

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Download or read book Magnetic Structure and Phase Formation of Magnetocaloric Mn-Fe-P-X Compounds written by Zhiqiang Ou and published by . This book was released on 2013 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Author : Maria Bałanda
Publisher : MDPI
ISBN 13 : 3038977101
Total Pages : 166 pages
Book Rating : 4.00/5 ( download)

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Download or read book Molecular Magnets written by Maria Bałanda and published by MDPI. This book was released on 2019-03-19 with total page 166 pages. Available in PDF, EPUB and Kindle. Book excerpt: Molecular magnets show many properties not met in conventional metallic magnetic materials, i.e. low density, transparency to electromagnetic radiation, sensitivity to external stimuli such as light, pressure, temperature, chemical modification or magnetic/electric fields, and others. They can serve as “functional” materials in sensors of different types or be applied in high-density magnetic storage or nanoscale devices. Research into molecule-based materials became more intense at the end of the 20th century and is now an important branch of modern science. The articles in this Special Issue, written by physicists and chemists, reflect the current work on molecular magnets being carried out in several research centers. Theoretical papers in the issue concern the influence of spin anisotropy in the low dimensional lattice of the resulting type of magnet, as well as thermodynamics and magnetic excitations in spin trimers. The impact of external pressure on structural and magnetic properties and its underlying mechanisms is described using the example of Prussian blue analogue data. The other functionality discussed is the magnetocaloric effect, investigated in coordination polymers and high spin clusters. In this issue, new molecular magnets are presented: (i) ferromagnetic high-spin [Mn6] single-molecule magnets, (ii) solvatomagnetic compounds changing their structure and magnetism dependent on water content, and (iii) a family of purely organic magnetic materials. Finally, an advanced calorimetric study of anisotropy in magnetic molecular superconductors is reviewed.

Author :
Publisher :
ISBN 13 :
Total Pages : 20 pages
Book Rating : 4.24/5 ( download)

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Download or read book Delocalization and Hybridization Enhance the Magnetocaloric Effect in Ni2Mn0.75Cu0.25Ga written by and published by . This book was released on 2008 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt: In view of the looming energy crisis facing our planet, attention increasingly focuses on materials potentially useful as a basis for energy saving technologies. The discovery of giant magnetocaloric (GMC) compounds - materials that exhibit especially large changes in temperature as the externally applied magnetic field is varied - is one such compound 1. These materials have potential for use in solid state cooling technology as a viable alternative to existing gas based refrigeration technologies that use choro-fluoro - and hydro-fluoro-carbon chemicals known to have a severe detrimental effect on human health and environment 2,3. Examples of GMC compounds include Gd5(SiGe)4 4, MnFeP1-xAsx 5 and Ni-Mn-Ga shape memory alloy based compounds 6-8. Here we explain how the properties of one of these compounds (Ni2MnGa) can be tuned as a function of temperature by adding dopants. By altering the free energy such that the structural and magnetic transitions coincide, a GMC compound that operates at just the right temperature for human requirements can be obtained 9. We show how Cu, substituted for Mn, pulls the magnetic transition downwards in temperature and also, counterintuitively, increases the delocalization of the Mn magnetism. At the same time, this reinforces the Ni-Ga chemical bond, raising the temperature of the martensite-austenite transition. At 25percent doping, the two transitions coincide at 317 K.