Metal, chemical reactions with metals antimony to barium
著者
書誌事項
Metal, chemical reactions with metals antimony to barium
（Gmelin handbook of inorganic chemistry / prepared and issued by Gmelin-Institut für Anorganische Chemie der Max-Planck-Gesellschaft zur Förderung der Wissenschaften ; director, Ekkehard Fluck, system no. 54 . W,
Springer, 1991
- : gw
- : us
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注記
"Literature closing date: end of 1988, in some cases more recent data have been considered"--T.p. verso
Includes bibliographical references
内容説明・目次
内容説明
The present volume completes the description of the interactions and chemical reactions of elemental tungsten with metallic elements, treating its reactions with antimony, bismuth, and the alkali and alkaline earth metals. The reactions of tungsten with these elements are in most cases confined to surface regions. Corrosion of tungsten and mutual solubility are usually very low. An exception is the W - Be system, in which several intermetallic phases are formed. The surface processes in some of the other systems covered in the present volume have evoked scientific and practical interest, documented by the large number of publications. This holds particularly for the Cs-on-W and Ba-on-W surface systems. Cs-and Ba-activated tungsten electrodes are used in many technical and laboratory appliances. One example is the Cs diode device for thermionic energy conversion. Surface ionization of Cs and W is widely applied in ion sources and for some time attracted great attention with respect to its potential use in ion rocket propulsion engines.
Cs-on-W is also a logical system for basic research on chemisorption due to the propitious chemical, crystallographic and atomic properties of adsorbent and asdorbate. The particular interest in the W - Cs and W - Ba systems is reflected in the large portion of the text devoted to these systems.
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