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Download or read book Domain and Surface Structures of Sodium Tungsten Bronzes, Na/sub X/WO/sub 3/ (0. 4 written by and published by . This book was released on 1978 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The domain and surface structures of metallic sodium tungsten bronzes, Na/sub x/WO/sub 3/, 0.4
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ISBN 13 :
Total Pages : 1226 pages
Book Rating : 4.U/5 (183 download)
Download or read book Energy Research Abstracts written by and published by . This book was released on 1983 with total page 1226 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Masao Atoji
Publisher :
ISBN 13 :
Total Pages : 67 pages
Book Rating : 4.:/5 (582 download)
Download or read book Domain and Surface Structures of Sodium Tungsten Bronzes, NaxWO (0.4 written by Masao Atoji and published by . This book was released on 1978 with total page 67 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Masao Atoji
Publisher :
ISBN 13 :
Total Pages : 67 pages
Book Rating : 4.:/5 (582 download)
Download or read book Domain and Surface Structures of Sodium Tungsten Bronzes, NaxWO (0.4 written by Masao Atoji and published by . This book was released on 1978 with total page 67 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : S. J. Wilson
Publisher :
ISBN 13 :
Total Pages : 286 pages
Book Rating : 4.:/5 (16 download)
Download or read book Reactivity and Phase Equilibria in Systems Containing Sodium Tungsten Bronzes written by S. J. Wilson and published by . This book was released on 1977 with total page 286 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 840 pages
Book Rating : 4.3/5 (129 download)
Download or read book Government reports annual index written by and published by . This book was released on 199? with total page 840 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 840 pages
Book Rating : 4.:/5 (319 download)
Download or read book Government Reports Annual Index: Keyword A-L written by and published by . This book was released on 1979 with total page 840 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 620 pages
Book Rating : 4.3/5 (91 download)
Download or read book Journal of Experimental and Theoretical Physics written by and published by . This book was released on 1995 with total page 620 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Electrocatalytic Activity and Surface Properties of Tungsten Bronzes written by and published by . This book was released on 1977 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The electrocatalytic activities of sodium tungsten bronzes, including high purity crystals, platinum doped crystals, and platinum plated crystals, have been measured for oxygen reduction in acid solution. In addition, a survey of the electrocatalytic activities and general electrochemical properties of other alkali tungsten bronzes, thalium tungsten bronze, and tungsten trioxide were investigated and compared to sodium tungsten bronze. All measurements were done on single crystals. Pure sodium tungsten bronzes and WO3 have a slight catalytic activity for oxygen reduction. The exchange current density is approximately 10−14 A/cm2. Doping the cubic sodium tungsten bronze with up to 800 ppM of platinum slightly increased the catalytic activity of the crystals, but the effect was noticeable only at very low current densities. Platinum preelectrolysis of the solution was shown to contaminate the crystal surface with significant amounts of platinum. For the platinum plated bronze crystals, no synergistic effect between the platinum and the bronze was observed for oxygen reduction. However, different platinum plating methods gave more than an order of magnitude difference in catalytic activity, with the same amount of platinum. The platinum was deposited on the bronze surface in different forms by the different plating methods. One possible form of highly dispersed platinum on a bronze surface is the formation of a platinum tungsten bronze, Pt/sub x/WO3. Hydrogen tungsten bronze is formed in the surface layers of all the bronzes at potentials below +0.2 V (NHE), and the reaction is completely reversible. One possible form of highly dispersed platinum on a bronze surface is the formation of a platinum tungsten bronze, Pt/sub x/WO3. Hydrogen tungsten bronze is formed in the surface layers of all the bronzes at potentials below +0.2 V (NHE), and the reaction is completely reversible.
Author : Keki Khodadad Irani
Publisher :
ISBN 13 :
Total Pages : 76 pages
Book Rating : 4.:/5 (598 download)
Download or read book The Reactions of the Sodium-, Potassium, and the Lithium Tungsten Bronzes in the Solid State written by Keki Khodadad Irani and published by . This book was released on 1951 with total page 76 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Sodium Tungsten Bronze Thin Films by Rf Sputtering written by and published by . This book was released on 1977 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Polycrystalline NaxWO3 films were produced by rf sputtering. Films of low x-value resulted when co-sputtering WO3 on a Na/sub 0.83/WO3 target, and Na0.3 on WO3 target. Films of high x and of mixed phase were produced by sputtering a powder mixture of Na2WO4 and WO3 on a tungsten target. Of the sputtering parameters studied, the substrate temperature is the most critical with temperatures above 500°C producing films which were cubic in structure with only a small amount of Tetragonal I. The presence of oxygen up to 3 percent by volume had minimal effect on film quality or x-value. Auger, electron microprobe, SIMS, SEM, x-ray diffraction, and sheet resistivity techniques were used in characterizing these films. Resistivity of the films was a factor of 10 higher than the bulk crystalline data for Na0.83WO3.
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ISBN 13 :
Total Pages : 940 pages
Book Rating : 4.E/5 ( download)
Download or read book Nuclear Science Abstracts written by and published by . This book was released on 1972 with total page 940 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Godrej F. Doctor
Publisher :
ISBN 13 :
Total Pages : 104 pages
Book Rating : 4.:/5 (598 download)
Download or read book Solid Solution in the Series Sodium Tungsten Bronze, Lithium Tungsten Bronze and Tungstic Oxide written by Godrej F. Doctor and published by . This book was released on 1950 with total page 104 pages. Available in PDF, EPUB and Kindle. Book excerpt: "The tungsten bronzes are a series of anionic substitutional solid solutions of alkali metal metatungstates and tungstic oxide. They are neither alloys nor intermetallic compounds, the term tungsten bronzes was adopted because of their remarkable metallic properties, e.g. luster, specific gravity and especially high electrical conductivity, which resembles to that of graphite. Due to its chemical inactivity and beautiful shades of color, it is used as a coating, especially in the plastic industry and for other ornamental products. The properties and the structure of these bronzes have not been investigated entirely satisfactory; within the last twenty years, only a few published information worth mentioning has been made. The present work is intended to find out some of these still unknown properties of the bronzes ... For this purpose, the X-ray method of investigation was widely applied. It turned out that only with this method, satisfactory results could be made"--Introduction, leaf 1.
Author : Dawn Bonnell
Publisher : Wiley
ISBN 13 : 9780471187356
Total Pages : 436 pages
Book Rating : 4.1/5 (873 download)
Download or read book Scanning Tunneling Microscopy and Spectroscopy written by Dawn Bonnell and published by Wiley. This book was released on 1993-03-29 with total page 436 pages. Available in PDF, EPUB and Kindle. Book excerpt: Scanning tunneling microscopy (STM) provides three-dimensional real- space images of surfaces at high spatial resolution. When the surface is flat and clean, even atoms can be imaged. Its extreme usefulness has led it to near instantaneous acceptance as a characterization tool. This book covers fundamental concepts of STM operation, image interpretation, instrumentation, and techniques for various applications. It als contains advanced treatments of theory and spectroscopy. Surface physicists, electrochemists, materials scientists, and other scientists who see a use for STM will find the depth of coverage and accompanying reference lists in this book essential to their work. In addition, those who wish to add the capabilities of probe microscopy to their operations, such as microscopists and quality control engineers, will find the basic information in this book.
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ISBN 13 :
Total Pages : 1184 pages
Book Rating : 4.:/5 (1 download)
Download or read book British Abstracts written by and published by . This book was released on 1952 with total page 1184 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Nichigai Asoshiētsu
Publisher :
ISBN 13 :
Total Pages : 870 pages
Book Rating : 4.F/5 ( download)
Download or read book Japanese Journals of Physics written by Nichigai Asoshiētsu and published by . This book was released on 1975 with total page 870 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : David A. Scott
Publisher : Getty Publications
ISBN 13 : 9780892366385
Total Pages : 536 pages
Book Rating : 4.3/5 (663 download)
Download or read book Copper and Bronze in Art written by David A. Scott and published by Getty Publications. This book was released on 2002 with total page 536 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is a review of 190 years of literature on copper and its alloys. It integrates information on pigments, corrosion and minerals, and discusses environmental conditions, conservation methods, ancient and historical technologies.
