The Nature of Hydrogen Stabilization in the Reduced Copper Chromites Научная публикация
Журнал |
Journal of Molecular Catalysis A: Chemical
ISSN: 1381-1169 |
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Вых. Данные | Год: 1996, Том: 105, Номер: 1-2, Страницы: 61-66 Страниц : 6 DOI: 10.1016/1381-1169(95)00178-6 | ||
Ключевые слова | Chromite, Copper, Hydrogen, Neutron diffraction, Powder X-ray diffraction, Structure | ||
Авторы |
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Организации |
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Информация о финансировании (1)
1 | Российский фонд фундаментальных исследований |
Реферат:
In situ powder X-ray and neutron diffraction showed that copper chromite retains its spinel structure (space group Fd3m, Full-size image (<1 K)) in hydrogen at 320°C. The spinel has a copper ion deficiency and is stabilized by the dissolved hydrogen. Two hydrogen states are observed in the spinel structure: as specific hydrogen species H (16c interstitial position) and as OH groups with covalent bounding (32e crystallographic position). The hydrogen species bonded to the lattice oxygen is formed as a result of the exchange interaction between hydrogen atoms and Cu2+ ions. In this case a portion of copper ions are reduced to Cu0 as flat particles onto the surface; another portion is reduced to Cu1+ and transferred towards the 16c positions.
Библиографическая ссылка:
Plyasova L.M.
, Solovyeva L.P.
, Krieger T.A.
, Makarova O.V.
, Yurieva T.M.
The Nature of Hydrogen Stabilization in the Reduced Copper Chromites
Journal of Molecular Catalysis A: Chemical. 1996. V.105. N1-2. P.61-66. DOI: 10.1016/1381-1169(95)00178-6 WOS Scopus РИНЦ
The Nature of Hydrogen Stabilization in the Reduced Copper Chromites
Journal of Molecular Catalysis A: Chemical. 1996. V.105. N1-2. P.61-66. DOI: 10.1016/1381-1169(95)00178-6 WOS Scopus РИНЦ
Даты:
Поступила в редакцию: | 15 мая 1995 г. |
Принята к публикации: | 15 июн. 1995 г. |
Опубликована в печати: | 28 янв. 1996 г. |
Опубликована online: | 7 окт. 1998 г. |
Идентификаторы БД:
Web of science | WOS:A1996UD52900008 |
Scopus | 2-s2.0-22244487002 |
РИНЦ | 13225173 |
Chemical Abstracts | 1996:77114 |
Chemical Abstracts (print) | 124:271512 |
OpenAlex | W2036716048 |