منابع مشابه
Synthesis of a Disperse Phase of Barium Oxide on Aluminum Oxide by Successive Ionic Layer Deposition
Successive ionic layer deposition (SILD), also known as successive ionic layer adsorption and reaction (SILAR), is an aqueous method which exploits the electric double layer effect to create thin solid films on supports. In SILD, submonolayers of desired cations and anions are alternately and selectively adsorbed on a support material to produce SILD nanoislands or nanolayers with controlled co...
متن کاملSynthesis of Mesostructured Nickel Oxide with Silica
Mesostructured nickel oxide was formed with nickel sulfate and cationic surfactant cetyltrimethylammonium bromide (CTAB). X-ray diffraction (XRD) peaks at low scattering angles and transmission electron microscopy (TEM) indicated that a mesostructure was formed. However, these XRD patterns disappeared after calcination. The addition of sodium silicate in the precursor solutions produced a mesos...
متن کاملSynthesis of phase pure praseodymium barium copper iron oxide.
The control of crystallization of praseodymium barium copper iron oxide, an intermediate temperature solid oxide fuel cell cathode material, has been demonstrated for the first time using a biotemplated sol-gel synthesis technique. The results obtained showed significant improvement in purity, synthesis time, surface area and simplicity over that previously reported.
متن کاملWj Gaseous Metaborates . Iii . the Beryllium Oxide - Boron Oxide System
Gaseous beryllium metaborate, Be(B02)2,has been identified mass spectrometrically in the vapor above the beryllium-boron-oxygen system. A st-jdy of this system by differential thermal analysis» and Knudsen effusion using a vacuum balance and mass spectrometer, showt-i solid DeoBo0, to be the only condensed mixed oxide phase present with a melting point of 1495 ± 5C. The following thermodynamic ...
متن کاملThe Formation of Titanium Oxide Monolayer Coatings on Silica Surfaces
The formation of a dispersed titanium oxide layer on Cabosil-fumed silica and on nonporous silica spheres was studied by infrared and Raman spectroscopies and by transmission electron microscopy (TEM). The procedure for obtaining the titania coatings involved reacting the silanol groups on the silica surface with titanium alkoxides under a N 2 atmosphere. This self-limiting reaction led to a co...
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ژورنال
عنوان ژورنال: Journal of Research of the National Bureau of Standards
سال: 1953
ISSN: 0091-0635
DOI: 10.6028/jres.051.005