Structure of amorphous alumina tubes studied by positron annihilation lifetime spectroscopyстатья
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Web of Science ,
Scopus
Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
Авторы:
Shantarovich V.P.,
Kevdina I.B.,
Miron N.F.,
Baronova Yu V.,
Berdonosov S.S. ,
Baronov S.B.,
Melikhov I.V.
Журнал:
Inorganic Materials
Том:
41
Номер:
3
Год издания:
2005
Издательство:
Maik Nauka/Interperiodica Publishing
Местоположение издательства:
Russian Federation
Первая страница:
255
Последняя страница:
260
DOI:
10.1007/s10789-005-0119-8
Аннотация:
Positron annihilation lifetime spectroscopy (PALS) is used to investigate the detailed structure of amorphous alumina tubes prepared via thermohydrolysis of anhydrous AlCl 3 . The results demonstrate that PALS is a sensitive probe of the structure of amorphous materials, capable of distinguishing between the structures of amorphous alumina tubes and amorphous alumina prepared by a standard procedure, which are shown to differ slightly in the concentration and size of free-volume elements. The observed distinctions can be understood in terms of the anisotropic aggregation of primary alumina particles during hydrolysis in aqueous media or thermohydrolysis in water vapor. © 2005 Pleiades Publishing, Inc.
Добавил в систему:
Мелихов Игорь Витальевич