Заключение

Применение мёссбауэровской спектроскопии в геометрии пропускания к изучению НЧ с размерами ~ 1 нм позволяет получать информацию о структуре и свойствах НЧ вплоть до атомарных слоев, в том числе и на поверхности. Как и в работе [39] обнаружены значительные отличия в заселенности основного состояния фононного спектра для атомов поверхности. Обнаруженное значение температуры Дебая для атомов на поверхности равное θ_Д =80 К также хорошо по порядку величины согласуются с результатами полученными методом рентгеновской дифракции для наночастиц α-Fe₂O₃ [42].

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