Download or read book Hydrothermal Synthesis of Barium Titanate Particles and Heteroepitaxial Thin Films written by Emin Ciftci and published by . This book was released on 2000 with total page 63 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Hydrothermal Deposition of Barium Titanate Heteroepitaxial Thin Films written by Sandeep Patil and published by . This book was released on 2003 with total page 132 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Epitaxial barium titanate films were deposited on single crystal substrates of (100) SrTiO3 under hydrothermal conditions at 150 degrees C by reacting fine TiO2 particles with an aqueous solution of Ba(OH)2. The nucleation and growth as well as the structure and composition of the films were investigated using structural characterization techniques and surface science techniques."--Abstract, p. iv.
Download or read book Hydrothermal Synthesis of Barium Strontium Titanate bst Powders and Continuous and Patterned Thin Films written by Xuezheng Wei and published by . This book was released on 2004 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Barium strontium titanate (BST) solid-solution oxides represent an important class of ferroelectric materials due to their high dielectric constants, composition dependent Curie temperature, and potential applications in dynamic random access memory (DRAM). Hydrothermal technique is a new low-temperature (
Download or read book Nanoferroics written by M.D. Glinchuk and published by Springer Science & Business Media. This book was released on 2013-05-13 with total page 396 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book covers the physical properties of nanosized ferroics, also called nanoferroics. Nanoferroics are an important class of ceramic materials that substitute conventional ceramic ferroics in modern electronic devices. They include ferroelectric, ferroelastic, magnetic and multiferroic nanostructured materials. The phase transitions and properties of these nanostructured ferroics are strongly affected by the geometric confinement originating from surfaces and interfaces. As a consequence, these materials exhibit a behavior different from the corresponding bulk crystalline, ceramic and powder ferroics. This monograph offers comprehensive coverage of size- and shape-dependent effects at the nanoscale; the specific properties that these materials have been shown to exhibit; the theoretical approaches that have been successful in describing the size-dependent effects observed experimentally; and the technological aspects of many chemical and physico-chemical nanofabrication methods relevant to making nanoferroic materials and composites. The book will be of interest to an audience of condensed matter physicists, material scientists and engineers, working on ferroic nanostructured materials, their fundamentals, fabrication and device applications.
Download or read book Ceramic Materials and Multilayer Electronic Devices written by K. M. Nair and published by John Wiley & Sons. This book was released on 2012-04-11 with total page 496 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume contains a collection of 40 papers from two symposia: Advanced Dielectric Materials and Multilayer Electronic Devices and High Strain Piezoelectric Materials, Devices and Applications. Topics include fundamental and historical perspectives of dielectric materials; relaxor materials and devices; high strain piezoelectric devices; advanced aspects of powder preparation, characterization, and properties; thin films; materials for low and high frequency applications; processing-structure-property-relationships; and future applications. Proceedings of the symposium held at the 105th Annual Meeting of The American Ceramic Society, April 27-30, 2003, in Nashville, Tennessee; Ceramic Transactions, Volume 150.
Download or read book 27th Annual Cocoa Beach Conference on Advanced Ceramics and Composites A Volume 24 Issue 3 written by Waltraud M. Kriven and published by John Wiley & Sons. This book was released on 2009-09-28 with total page 667 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume is part of the Ceramic Engineering and Science Proceeding (CESP) series. This series contains a collection of papers dealing with issues in both traditional ceramics (i.e., glass, whitewares, refractories, and porcelain enamel) and advanced ceramics. Topics covered in the area of advanced ceramic include bioceramics, nanomaterials, composites, solid oxide fuel cells, mechanical properties and structural design, advanced ceramic coatings, ceramic armor, porous ceramics, and more.
Download or read book Sol Gel Technologies for Glass Producers and Users written by Michel A Aegerter and published by Springer Science & Business Media. This book was released on 2004-10-29 with total page 518 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sol-Gel Techniques for Glass Producers and Users provides technological information, descriptions and characterizations of prototypes, or products already on the market, and illustrates advantages and disadvantages of the sol-gel process in comparison to other methods. The first chapter entitled "Wet Chemical Technology" gives a summary of the basic principles of the sol-gel chemistry. The most promising applications are related to coatings. Chapter 2 describes the various "Wet Chemical Coating Technologies" from glass cleaning to many deposition and post-coating treatment techniques. These include patterning of coatings through direct or indirect techniques which have became very important and for which the sol-gel processing is particularly well adapted. Chapter 3 entitled "Bulk Glass Technologies" reports on the preparation of special glasses for different applications. Chapter 4 entitled "Coatings and Materials Properties" describes the properties of the different coatings and the sol-gel materials, fibers and powders. The chapter also includes a section dedicated to the characterization techniques especially applied to sol-gel coatings and products.
Download or read book Hydrothermal Processing of Barium Titanate Ceramics and Thin Films written by Ilias Nikolaidis and published by . This book was released on 2004 with total page 241 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Synthesis and Properties of Barium Titanate Solid Solution Thin Films on Copper Substrates written by and published by . This book was released on 2004 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Barium titanate thin films were deposited via chemical solution deposition using a hybrid-chelate chemistry directly on copper foil substrates. A process was developed to crystallize and densify the ferroelectric films at 900C by using a reductive atmosphere containing nitrogen, hydrogen, water vapor, and oxygen impurities such that film constituents were oxidized to form barium titanate and the foil substrate remained metallic. The crystallized films are polycrystalline with equiaxed morphology and average grain diameters in excess of 100 nm. The dielectric properties exhibit permittivities in excess of 1800 at room temperature and zero bias with tunabilites of greater than 90% and high field loss tangents of less than 1%. A series of samples was prepared with varying grain and crystallite sizes by dividing and processing a single film over a range of temperature from 700 to 900C. This ensures that the chemical composition and film thickness is invariant for each sample. It is shown that the grain size increases with higher process temperatures and results in a concomitant increase in permittivity and tunability. These enhancements, combined with the constant paraelectricD erroelectric phase transition temperature, indicated that a combination of film crystallinity and grain size is responsible for diminished performance. The phase transition temperature and temperature coefficient of capacitance modified by partially substituting zirconium, hafnium, and tin for titanium. The resulting films were single phase and the phase transition shifts were consistent with bulk materials. A reduction in permittivity was observed for increasing substituent level and was attributed to a reduction in grain size for both barium titanate zirconate and barium titanate hafnate. Processing conditions were chosen to stabilize Sn2+ during the firing process in an attempt to flux the system and increase grain size. The barium titanate stannate films had less reduction in grain size.
Download or read book Hydrothermal Synthesis of Barium Strontium Titanade BST Powders and Continuous and Patterned Thin Films written by Xuezheng Wei and published by . This book was released on 2004 with total page 290 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Synthesis of Ferroelectric Barium Titanate Thin Films Via Metallo organic Decomposition written by James Robert Hanrahan and published by . This book was released on 1989 with total page 154 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Journal of Chemical Engineering of Japan written by and published by . This book was released on 2008 with total page 684 pages. Available in PDF, EPUB and Kindle. Book excerpt: Includes abstracts of Kagaku kōgaku, v. 31-
Download or read book Synthesis and Properties of Barium Titanate Solid Solution Thin Films on Copper Substrates written by Jon Fredrick Ihlefeld and published by . This book was released on 2006 with total page 250 pages. Available in PDF, EPUB and Kindle. Book excerpt: Keywords: hafnium, tin, zirconium, flux, copper, equilibria, grain size, size effects, sol-gel, barium titanate, film, ferroelectric, doping.
Download or read book Hydrothermal Particle Synthesis of Barium Titanate and Particle Formation Mechanism Study written by Jooho Moon and published by . This book was released on 1996 with total page 352 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Hydrothermal Synthesis of Sodium Bismuth Titanate and Titanate Nanofibers written by Animesh Kundu and published by ProQuest. This book was released on 2008 with total page 116 pages. Available in PDF, EPUB and Kindle. Book excerpt: A hydrothermal processing method was developed for the synthesis of sodium bismuth titanate powders and thin films from suitable precursors at 150°C. Oxide precursors were best suited for preparing pure phase materials. The sodium bismuth titanate powders consisted of cube shaped crystals. A modified solution-reprecitation model involving partial dissolution of the precursors was proposed to explain the growth of these particles. The thin films were prepared on strontium titanate (100) substrate. A sample holder was specially designed and fabricated to secure the substrates in the reaction vessel. The result was a relatively smooth film of thickness & le;550 nm. The films were essentially single crystalline and had strong epitaxial relationship with the substrate. Titanate nanofibers (NaxH yTinO2n+1° zH2O) were known to form under similar hydrothermal conditions as sodium bismuth titanate powders. Detail research revealed that the pure hydroxide and oxide precursors tend to form sodium bismuth titanate powders or thin films. Titanate nanofibers were the predominant product when any other ions or organics were present in the precursor. Much faster reaction kinetics for the formation of nanofibers was observed when certain organic compounds were added deliberately with the precursors. Accordingly, a hydrothermal process was developed for converting the precursors to titanate nanofibers in a significantly shorter time than reported in the literature. A thin film consisting of vertically aligned nanofibers was prepared on titanium substrate at 150°C in as little as 30 minutes. Complete conversion of starting precursors to free standing nanofibers was achieved in & sim;8 hours at 150°C. The as-prepared nanofibers were some form of sodium titanate. They were converted to hydrogen titanate by ion exchange. Differential Scanning calorimetric experiments were performed to understand the thermal evolution of the fibers. The hydrogen titanate fibers underwent structural modifications even at temperatures less than 100°C. Research was done to understand the structure of these hydrogen titanate nanofibers with the aid of HRTEM, simulation of HRTEM images and x-ray diffraction. Initial results revealed that the fibers observed under the microscope had either a lepidocrocite type structure or an anatase type structure.
Download or read book The Preparatory Optimal Conditions of Barium Titanate Thin Film from a Hydrothermal Method at Low Temperature written by 洪錕銘 (化學工程) and published by . This book was released on 2011 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book 27th International Cocoa Beach Conference on Advanced Ceramics and Composites written by and published by . This book was released on 2003 with total page 676 pages. Available in PDF, EPUB and Kindle. Book excerpt:
