不同类型微反应器对BiFeO3纳米晶形成的影响

IF 0.8 Q4 NANOSCIENCE & NANOTECHNOLOGY

Nanosystems: Physics, Chemistry, Mathematics Pub Date : 2023-02-28 DOI:10.17586/2220-8054-2023-14-1-120-126

O. Proskurina, Sh. Abiev, Vladimir N. Nevedomskiy

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引用次数: 0

摘要

摘要研究了不同类型的微反应器中铋和铁氢氧化物的共沉淀对镀层热处理过程中纳米晶铋正铁氧体形成的影响。采用了自由冲击射流微反应器、浸没射流微反应器和强烈旋流微反应器。结果表明，在试剂溶液切向旋流的微反应器中共沉淀氢氧化物，可形成加权平均晶粒最小为12 nm的纳米晶铋正铁氧体。根据透射电镜数据，确定了bifeo3晶体的最小尺寸为3 - 4 nm。

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Influence of using different types of microreactors on the formation of nanocrystalline BiFeO3

A BSTRACT The inﬂuence of the coprecipitation of bismuth and iron hydroxides in microreactors of various types on the formation of nanocrystalline bismuth orthoferrite during the heat treatment of the deposit was described. Free impinging-jets microreactor, microreactor with submerged jets, microreactor with intensively swirling ﬂows were used. It was revealed that nanocrystalline bismuth orthoferrite with the smallest weighted average crystallite size of 12 nm is formed when a microreactor with tangentially swirling ﬂows of reagent solutions is used for coprecipitation of hydroxides. The minimum size of BiFeO 3 crystallites according to transmission electron microscopy data is determined as 3–4 nm.

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来源期刊

Nanosystems: Physics, Chemistry, Mathematics NANOSCIENCE & NANOTECHNOLOGY-

CiteScore

1.80

自引率

11.10%

发文量