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首页> 外文期刊>Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics >Melt spinning: A rapid and cost effective approach over ball milling for the production of nanostructured p-type Si80Ge20 with enhanced thermoelectric properties
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Melt spinning: A rapid and cost effective approach over ball milling for the production of nanostructured p-type Si80Ge20 with enhanced thermoelectric properties

机译：熔融纺丝：通过增强的热电性能，快速且成本有效地对球磨过纳米结构P型Si80Ge20的球磨

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摘要

In this work, we have adopted melt-spinning technique followed by spark plasma sintering (SPS) to synthesize a p-type nanostructured Si80Ge20 alloy. To illustrate the impact of the technique, the results are compared with that of prepared by ball milling and subsequent SPS. The room temperature XRD of the alloys prepared by both the techniques confirms that they crystallize with diamond-like cubic structure of space group Fd (3) over barm. The remarkably decreased thermal conductivity and increased Seebeck coefficient results in a higher ZT of melt spun sample (nearly similar to 46% higher at room temperature) as compared to the ball milled sample. The short preparation time of melt spun p-type Si80Ge20 alloy coupled with its enhanced thermoelectric performance indicate that this technique provides a novel strategy to improve the thermoelectric properties of SiGe alloys thus making this synthesis process of interest for commercial purposes. (C) 2018 Elsevier B.V. All rights reserved.
机译：在这项工作中，我们采用熔融纺丝技术，然后采用火花血浆烧结（SPS）合成P型纳米结构Si80Ge20合金。 为了说明该技术的影响，将结果与球磨和随后的SPS制备的结果进行了比较。 通过两种技术制备的合金的室温XRD确认它们用空间组FD（3）的菱形立方结构结晶。 与球研磨样品相比，导热率显着降低和塞培克系数增加，较高的熔纺样品（室温下几乎类似的46％）。 熔融纺丝P型Si80Ge20的短准备时间与其增强的热电性能相结合，表明该技术提供了一种提高SiGe合金的热电性能的新策略，从而使得这种合成过程进行商业目的。 （c）2018年elestvier b.v.保留所有权利。

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