Author : Eric Rey
Publisher :
ISBN 13 :
Total Pages : 110 pages
Book Rating : 4.:/5 (761 download)
Book Synopsis Investigations on Transition Metal Doped Cu5SbO6 by : Eric Rey
Download or read book Investigations on Transition Metal Doped Cu5SbO6 written by Eric Rey and published by . This book was released on 2011 with total page 110 pages. Available in PDF, EPUB and Kindle. Book excerpt: "A very interesting property in oxide materials is the coexistence of both ferroelectricity and ferromagnetism in a single-phased compound, commonly known as multiferroics. There is much theoretical and experimental interest in multiferroics due to their many potential applications such as use with the gigantic magneto-electric effect as well as their unexplored properties. However this behaviour has been observed in only a few compounds. In the ternary system copper-antimony-oxygen the structure of Cu5SbO6 has recently been researched. Cu5SbO6 = (Cu+(Cu2+ 2/3Sb5+ 1/3)O2) crystallising in a distorted Delafossite structure type (CuFeO2) contains a mixture of Cu+ and Cu2+. At least two modifications of Cu5SbO6 exist, one of which predominantly occurs at low synthesis temperatures in air, and the other at high temperatures, only the structure of the high temperature modification has been discovered so far. In Cu5SbO6 non-magnetic Sb5+ dilutes the magnetically active CuO2 layer. The first goal of this project is to solve the still unknown structure of the low temperature modification of Cu5SbO6, which research has shown is very difficult to form single crystals. The second goal was to attempt to dope Cu5SbO6 by replacing some non-magnetic Sb5+ with magnetic 5+ cations, with the aim of creating interesting magnetic properties while continuing to explore the properties of the system in general. For preparation classical high-temperature sintering in both air and vacuum sealed environments will be used for the synthesis of powders. For identification of the obtained compounds we used X-ray single crystal and powder diffraction, scanning electron microscopy (SEM), energy dispersive X-ray spectrometry (EDX), Synchrotron and neutron powder diffraction"--Abstract.