Synthesis and Investigation of Large Crystals of (Cr1−xTMx)3B4 with TM=Ti, V, Nb, Ta, Mo, and W
✍ Scribed by Shigeru Okada; Yang Yu; Kunio Kudou; Toetsu Shishido; Takaho Tanaka; Iwami Higashi; Torsten Lundström; Tsuguo Fukuda
- Publisher
- Elsevier Science
- Year
- 2000
- Tongue
- English
- Weight
- 276 KB
- Volume
- 154
- Category
- Article
- ISSN
- 0022-4596
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✦ Synopsis
Single crystals of the ternary borides (Cr 1؊x TM x ) 3 B 4 (TM ؍ Ti, V, Nb, Ta, Mo, W) were grown by the 6ux method using molten aluminum as a solvent. The substances were subjected to chemical analyses and measurements of the unit cell parameters. Crystals of (Cr 1؊x TM x ) 3 B 4 were grown in the form of thick platelets with large + +010, , planes. The largest crystals obtained show maximum dimensions of about 6؋0.4؋0.4 mm 3 . The solid solubilities of Mo and W in Cr 3 B 4 are discussed. In addition, measurements of microhardness and electrical resistivity were carried out, and the oxidation resistance at high temperature in air was studied.