Investigation of electronic and magnetic structure of advanced magnetic materials

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Title: Investigation of electronic and magnetic structure of advanced magnetic materials
Authors: Rednic, Vasile
Thesis advisor: Prof. Dr. Manfred Neumann
Prof. Dr. Marin Coldea
Thesis referee: Prof. Dr. Joachim Wollschläger
Prof. Dr. Gunnar Borstel
Prof. Dr. Viorel Pop
Abstract: The subject of this work subscribes to the international preoccupation regarding the elucidation of magnetic properties of solids. The crystallographic, electronic and magnetic structures of Al-Mn-Ni alloys and compounds have been investigated by X-ray diffraction, magnetization and magnetic susceptibility measurements, X-ray photoelectron spectroscopy (XPS), and band structure calculations. The thesis is organized in 6 Chapters, followed by the summary. Chapter 1 contains a brief theoretical introduction into the magnetism of metallic systems, as well the principles of XPS. The sample preparation details and all the techniques employed in the characterization of the systems are described in Chapter 2. The next 4 Chapters contain the experimental results for Mn1-xAlxNi3, Mn1-xAlxNi, Ni1-xMnxAl, Ni0.7-xAlxMn0.3 systems.
Subject Keywords: transition metal; alloy; magnetic measurements; XPS spectra; local moments
Issue Date: 25-Jan-2010
Type of publication: Dissertation oder Habilitation [doctoralThesis]
Appears in Collections:FB04 - E-Dissertationen

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