Исследование радиопоглощения металл-углеродных нанокомпозитов (обзор)

Развитие технологии синтеза магнитных наночастиц металлов и сплавов открыло возможность их применения в области радиопоглощающих материалов. В работе представлен обзор результатов исследований свойств нанокомпозитов, приведена методика синтеза металл-углеродных нанокомпозитов пиролизом с использованием инфракрасного нагрева, исследованы зависимости магнитных, электромагнитных и радиопоглощающих свойств полученных нанокомпозитов от температуры синтеза и концентрации металла. Кроме того, проанализированы способы управления радиопоглощающими свойствами гибридных композитов и улучшения согласования электромагнитного импеданса, представлен сравнительный анализ эффективности поглощения электромагнитного излучения нанокомпозитами FeCo/C, синтезированными различными методами. Показано, что выбранные металлы, сплавы (FeCo) и углеродный материал эффективны для изоляции магнитных наночастиц при создании гибридных радиопоглощающих композитов. Управление морфологией и свойствами металл-углеродных нанокомпозитов возможно посредством применения тех или иных подходов к синтезу, варьирования составов прекурсоров и ориентацией наночастиц FeCo, синтезированных в виде чешуек в композите. Полученные результаты могут быть использованы для совершенствования методики применения нанокомпозитов FeCo/C, полученных пиролизом металл-органических прекурсоров на основе полиакрилонитрила, в области радиопоглощающих материалов.

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