Rare-Earth Metal Hexaborides: Synthesis, Properties, and Applications

Author(s): Mikail Aslan and Cengiz Bozada

DOI: 10.2174/9789815124576123010007

The Rare-Earth Hexaboride-Based Alloys

Pp: 81-93 (13)

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Abstract

SHS investigation development is considered from the geographical and historical viewpoint. 3 stages are described. Within Stage 1 the work was carried out in the Department of the Institute of Chemical Physics in Chernogolovka where the scientific discovery had been made. At Stage 2 the interest to SHS arose in different cities and towns of the former USSR. Within Stage 3 SHS entered the international scene. Now SHS processes and products are being studied in more than 50 countries.

Abstract

The rare-earth hexaboride can be both alloyed with alkaline earth hexaboride and rare-earth hexaborides. Both alloying types have different types of advantages. For example, large-size triple LaxCe1-xB6 single crystals produced by the floating zone method showed excellent field emission and thermionic emission characteristics. Thus, these types of alloys indicate superior performance (electronic, magnetic, excellent field emission, thermionic emission properties) when compared to their pure counterparts. 

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