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Single-Crystal Growth of a FeCoCrMnAl High-Entropy Alloy

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arxiv 1606.09476 v1 pith:4B2DTTK3 submitted 2016-06-30 cond-mat.mtrl-sci

classification cond-mat.mtrl-sci
keywords alloycrystalhigh-entropycubicfecocrmnalgrowngrowthlength
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We have grown a single crystal of the equiatomic FeCoCrMnAl high-entropy alloy. The crystal was grown by means of the Bridgman technique and is about 1 cm in diameter and 6.6 cm in length. X-ray Laue images taken at various positions on the surface are sharp and mutually consistent, reflecting its single-crystal nature. We thus report on the first successful growth of a single crystal of a high-entropy alloy with a volume of the order of cubic centimeters. The material has a microstructure consisting of B2 inclusions in a body-centered cubic matrix on the 10 nm length scale.

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