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Synthesis And Structural Magnetic Thermal And Transport Properties Of Several Transition Metal Oxides And Arsenides
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Book Synopsis Synthesis and Structural, Magnetic, Thermal, and Transport Properties of Several Transition Metal Oxides and Arsenides by : Supriyo Das
Download or read book Synthesis and Structural, Magnetic, Thermal, and Transport Properties of Several Transition Metal Oxides and Arsenides written by Supriyo Das and published by . This book was released on 2010 with total page 194 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Synthesis and Structural, Magnetic, Thermal, and Transport Properties of Several Transition Metal Oxides and Aresnides by :
Download or read book Synthesis and Structural, Magnetic, Thermal, and Transport Properties of Several Transition Metal Oxides and Aresnides written by and published by . This book was released on 2010 with total page 201 pages. Available in PDF, EPUB and Kindle. Book excerpt: Oxide compounds containing the transition metal vanadium (V) have attracted a lot of attention in the field of condensed matter physics owing to their exhibition of interesting properties including metal-insulator transitons, structural transitions, ferromagnetic and an- tiferromagnetic orderings, and heavy fermion behavior. Binary vanadium oxides VnO2n-1 where 2 ≤ n ≤ 9 have triclinic structures and exhibit metal-insulator and antiferromagnetic transitions.[1–6] The only exception is V7O13 which remains metallic down to 4 K.[7] The ternary vanadium oxide LiV2O4 has the normal spinel structure, is metallic, does not un- dergo magnetic ordering and exhibits heavy fermion behavior below 10 K.[8] CaV2O4 has an orthorhombic structure[9, 10] with the vanadium spins forming zigzag chains and has been suggested to be a model system to study the gapless chiral phase.[11, 12] These provide great motivation for further investigation of some known vanadium compounds as well as to ex- plore new vanadium compounds in search of new physics. This thesis consists, in part, of experimental studies involving sample preparation and magnetic, transport, thermal, and x- ray measurements on some strongly correlated eletron systems containing the transition metal vanadium. The compounds studied are LiV2O4, YV4O8, and YbV4O8. The recent discovery of superconductivity in RFeAsO1-xFx (R = La, Ce, Pr, Gd, Tb, Dy, Sm, and Nd), and AFe2As2 (A = Ba, Sr, Ca, and Eu) doped with K, Na, or Cs at the A site with relatively high Tc has sparked tremendous activities in the condensed matter physics community and a renewed interest in the area of superconductivity as occurred following the discovery of the layered cuprate high Tc superconductors in 1986. To discover more supercon- ductors with hopefully higher Tc’s, it is extremely important to investigate compounds having crystal structures related to the compounds showing high Tc superconductivity. Along with the vanadium oxide compounds described before, this thesis describes our investigations of magnetic, structural, thermal and transport properties of EuPd2Sb2 single crystals which have a crystal structure closely related to the AFe2As2 compounds and also a study of the reaction kinetics of the formation of LaFeAsO1-xFx.
Book Synopsis Synthesis, Structural and Magnetic Properties of Some Transition Metal Oxides by : Kunlang Ji
Download or read book Synthesis, Structural and Magnetic Properties of Some Transition Metal Oxides written by Kunlang Ji and published by . This book was released on 2020 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Physics of Transition Metal Oxides by : Sadamichi Maekawa
Download or read book Physics of Transition Metal Oxides written by Sadamichi Maekawa and published by Springer Science & Business Media. This book was released on 2013-03-09 with total page 345 pages. Available in PDF, EPUB and Kindle. Book excerpt: The fact that magnetite (Fe304) was already known in the Greek era as a peculiar mineral is indicative of the long history of transition metal oxides as useful materials. The discovery of high-temperature superconductivity in 1986 has renewed interest in transition metal oxides. High-temperature su perconductors are all cuprates. Why is it? To answer to this question, we must understand the electronic states in the cuprates. Transition metal oxides are also familiar as magnets. They might be found stuck on the door of your kitchen refrigerator. Magnetic materials are valuable not only as magnets but as electronics materials. Manganites have received special attention recently because of their extremely large magnetoresistance, an effect so large that it is called colossal magnetoresistance (CMR). What is the difference between high-temperature superconducting cuprates and CMR manganites? Elements with incomplete d shells in the periodic table are called tran sition elements. Among them, the following eight elements with the atomic numbers from 22 to 29, i. e. , Ti, V, Cr, Mn, Fe, Co, Ni and Cu are the most im portant. These elements make compounds with oxygen and present a variety of properties. High-temperature superconductivity and CMR are examples. Most of the textbooks on magnetism discuss the magnetic properties of transition metal oxides. However, when one studies magnetism using tradi tional textbooks, one finds that the transport properties are not introduced in the initial stages.
Book Synopsis Commencement by : Iowa State University
Download or read book Commencement written by Iowa State University and published by . This book was released on 2010 with total page 124 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Transition Metal Oxides by : C. N. R. Rao
Download or read book Transition Metal Oxides written by C. N. R. Rao and published by Wiley-Interscience. This book was released on 1998-03-13 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Praise for the First Edition: "Very useful for researchers in solid-state chemistry and as a textbook of advanced inorganic chemistry for PhD students." -Advanced Materials. This book provides unified coverage of the structure, properties, and synthesis of transition metal oxides. Written by two world-class scientists, it offers both an excellent window on modern solid-state chemistry and a gateway to understanding the behavior of inorganic solids. Scientists and advanced students in inorganic and solid-state chemistry, materials science, ceramics, and condensed matter science will welcome this updated Second Edition, which features new or expanded material on: * Oxyanion derivatives of cuprates, mercury cuprates, ladder compounds, and new oxide systems * Giant magnetoresistance, superconductivity, and nonlinear materials * Recently developed synthetic strategies and examples, including soft chemistry routes Plus: * Hundreds of illustrations * Helpful references.
Book Synopsis Synthesis, Structure and Properties of Some Transition Metal Oxides by : Jun Li
Download or read book Synthesis, Structure and Properties of Some Transition Metal Oxides written by Jun Li and published by . This book was released on 2005 with total page 404 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effect of Impurities, Off-stoichiometry and Site-disorder on Structural and Magnetic Properties of Transition Metal Oxides Induced by Different Synthesis Conditions by : Gizem Aslan-Cansever
Download or read book Effect of Impurities, Off-stoichiometry and Site-disorder on Structural and Magnetic Properties of Transition Metal Oxides Induced by Different Synthesis Conditions written by Gizem Aslan-Cansever and published by . This book was released on 2021* with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Bibliography written by Pierre Villars and published by Walter de Gruyter. This book was released on 2012-12-21 with total page 1827 pages. Available in PDF, EPUB and Kindle. Book excerpt: By browsing about 10 000 000 scientific articles of over 200 major journals mainly in a 'cover to cover approach' some 200 000 publications were selected. The extracted data is part of the following fundamental material research fields: crystal structures (S), phase diagrams (also called constitution) (C) and the comprehensive field of intrinsic physical properties (P). This work has been done systematically starting with the literature going back to 1900. The above mentioned research field codes (S, C, P) as well as the chemical systems investigated in each publication were included in the present work. The aim of the Inorganic Substances Bibliography is to provide researchers with a comprehensive compilation of all up to now published scientific publications on inorganic systems in only three handy volumes.
Book Synopsis Functional Transition Metal Oxides by : Andrew Earnest Smith
Download or read book Functional Transition Metal Oxides written by Andrew Earnest Smith and published by . This book was released on 2011 with total page 464 pages. Available in PDF, EPUB and Kindle. Book excerpt: Transition metal oxides are an important class of materials for the wide variety optical, electrical, dielectric, magnetic, and thermal properties observed. Their unique structure-property relationships allow for property tuning and often provide insight into the fundamentals of chemistry. The work in this thesis was focused on the design, synthesis and physical property characterization of novel materials with applications in mind. In particular, magneto-electric multiferroics and spintronics are a promising technology for applications in many areas of electronics where either the magnetic or electric properties can be manipulated with electric or magnetic fields respectively. La2MnRhO6 thin films were found to exhibit a change in the defect structure, surface morphology, and magnetic properties for films grown at different oxygen pressures revealing the importance of deposition methods. Bulk ceramic of La2MRhO6 (M = Cr, Mn, Fe, Co, Ni and Cu) were characterized and all were found to be orthorhombic p-type semiconductors. Unique magnetism was found for M = Fe and Cr with both showing magnetic hysteresis at 5K. The Cu analogue is likely to be in a 2+/3+ oxidation state, and showed a favorable power factor up to ~575 K. LaCo[subscript 1-x]Rh[subscript x]O3 compositions were found to exhibit an interesting lattice crossover at x = 0.5. Strong evidence for at least some conversion of Rh3+/Co3+ to Rh4+/Co2+ is found in both structural and electrical transport data. A thermoelectric figure-of-merit (ZT) of about 0.075 has been achieved for LaCo0.5Rh0.5O3 at 775 K YMnO3 is a well known magneto-electric material, and in our study, we have prepared complete or nearly complete solid solutions with YInO3, YAlO3, and YCu0.5Ti0.5O3 systems in order to better understand the structure-property relationships. Our results indicate exciting optical properties as a wide range of blue was observed in the YInO3 solid solution, the intensity of which was critically dependent on the apical bond distances and the crystal field splitting. The YInO3 and YCu0.5Ti0.5O3 systems showed magnetic and magneto-electric suppression for increasing values as expected, but the field dependent capacitance for YInO3 showed a unique improvement and sign swap indicating a strong magneto-electric coupling. We determined the YAlO3 structure to have been improperly reported based on bond valence calculations. Our investigation into the YAlO3-YMnO3 system is underway, however we believe a carbonate group exists within the basal plane resulting in a chemical formula such as YAl[subscript 1-x]Mn[subscript x]O[subscript 3-y](CO3)[subscript y]. For the high-k dielectric CaCu[subscript 3-x]Mn[subscript x]Ti[subscript 4-y]Fe[subscript y]O12 and CaCu3Ti4O[subscript 12-x]F[subscript x], the limits of x, y were determined. A structural study on ceramic samples determined single phase materials, and dielectric measurements showed improvement of properties for fluorinated samples with the dielectric loss lowered while maintaining a high dielectric constant. It is likely that F may be concentrating on important planar defect sites. A colossal decrease in the dielectric constant was observed for Mn-Fe co-doped samples and provides insight into dual site occupations of dopants.
Book Synopsis Synthesis, Structure and Magnetic Properties of Low Dimensional Spin Systems in the 3d Transition Metal Oxides and Superconductivity in MgB2 by : Nyrissa S. Rogado
Download or read book Synthesis, Structure and Magnetic Properties of Low Dimensional Spin Systems in the 3d Transition Metal Oxides and Superconductivity in MgB2 written by Nyrissa S. Rogado and published by . This book was released on 2003 with total page 284 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1995 with total page 704 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Proceedings of the Twelfth International Conference on Solid Compounds of Transition Elements by : Henri Noel
Download or read book Proceedings of the Twelfth International Conference on Solid Compounds of Transition Elements written by Henri Noel and published by . This book was released on 1997 with total page 906 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Functional Metal Oxides by : Satishchandra Balkrishna Ogale
Download or read book Functional Metal Oxides written by Satishchandra Balkrishna Ogale and published by John Wiley & Sons. This book was released on 2013-11-08 with total page 478 pages. Available in PDF, EPUB and Kindle. Book excerpt: Functional oxides are used both as insulators and metallic conductors in key applications across all industrial sectors. This makes them attractive candidates in modern technology ? they make solar cells cheaper, computers more efficient and medical instrumentation more sensitive. Based on recent research, experts in the field describe novel materials, their properties and applications for energy systems, semiconductors, electronics, catalysts and thin films. This monograph is divided into 6 parts which allows the reader to find their topic of interest quickly and efficiently. * Magnetic Oxides * Dopants, Defects and Ferromagnetism in Metal Oxides * Ferroelectrics * Multiferroics * Interfaces and Magnetism * Devices and Applications This book is a valuable asset to materials scientists, solid state chemists, solid state physicists, as well as engineers in the electric and automotive industries.
Download or read book Chemical Abstracts written by and published by . This book was released on 2002 with total page 2540 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis U.S. Government Research Reports by :
Download or read book U.S. Government Research Reports written by and published by . This book was released on 1962 with total page 600 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Energy Research Abstracts written by and published by . This book was released on 1988 with total page 752 pages. Available in PDF, EPUB and Kindle. Book excerpt:
