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C11a : gw ISBN 9783540936046
内容説明
The volume "Rare Earth Elements" C 11 deals with the compounds and systems of the rare earth elements with boron, Le., borides, borates, and associated alkali double compounds. As in all earlier volumes of "Rare Earth Elements" Se ries C ("Seltenerdelemente" Reihe Cl, comparative data are presented in sections preceding treatment of the individual compounds and systems. Topics of the present volume C 11 aare the comparative data on the borides and the indi- vidual sections on the systems and borides containing Sc, Y, and La. The individual sections for the systems and borides with Ce to Lu can be found in the following volume C 11 b together with the borates, their alkali double compounds, and other compounds containing Ce to Lu, boron and elements related by the Gmelin system. The most extensively studied borides treated in the comparative sections are of the type MB. These rare earth hexaborides are refractory compounds and so me of them, especially e LaBe, are good thermionic emissive materials or exhibit other interesting physical properties.
目次
32 Rare Earth Elements and Boron.- Physical Constants and Conversion Factors.
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C11b : gw ISBN 9783540936206
内容説明
This volume is part of an encyclopaedic reference which deals with inorganic and organometallic chemistry. All volumes in Part C of the series cover the compounds and systems of the rare earth elements with boron. Main subjects of the present volume C 11B are the systems and borides from Ce to Lu, the rare earth borates, alkali borates and hydroborates. Sub-sections deal with alkali lanthanum hexaborides, scandium and europium halogenide borates, rare earth boride nitrides and scandium boride halogenides. CeB6, SmB6, and EuB6 are the most extensively studied borides treated in the present volume. The sections on alkali rare earth borates deal mainly with their preparation, crystallographic properties and optical properties.
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