Mixed Films Based on MgO for Secondary Electron Emission Application: General Trends and MOCVD Prospects | Sciact - CRIS-система Института катализа

Mixed Films Based on MgO for Secondary Electron Emission Application: General Trends and MOCVD Prospects Научная публикация

Журнал

Coatings
ISSN: 2079-6412

Вых. Данные

Год: 2021, Том: 11, Номер: 2, Номер статьи : 176, Страниц : 16 DOI: 10.3390/coatings11020176

Ключевые слова

secondary electron emission; magnesium oxide; doped films; composite films; chemical vapor deposition; chemical method of phase analysis; cerium dioxide; zirconium dioxide

Авторы

Vasilyeva Inga G. ¹ , Vikulova Evgeniia S. ¹ , Pochtar Alena A. ² , Morozova Natalya B. ¹

Организации

1	Nikolaev Institute of Inorganic Chemistry, Russian Academy of Sciences, Siberian Branch
2	Boreskov Institute of Catalysis, Russian Academy of Sciences, Siberian Branch

Информация о финансировании (1)

Российский фонд фундаментальных исследований

18-08-01105 (АААА-А18-118013190035-2)

Doping process is widely used to improving emission performance of MgO films thicker than 10 nm via assisting the surface recharge and changing in electron structure. The present paper briefly reviews this strategy in a search for the new materials and structures being effective for secondary electron emission (SEE) and their diagnostics. Then, Metal-Organic Chemical Vapor Deposition (MOCVD) coupled with the specially selected precursor is suggested here as a new technique that transforms the refractory oxides to nanoscale, defect-disordered materials able to solid-solid interaction at 450 °C. Primary experiments have been performed for demanded mixed films based on MgO with ZrO2 and CeO2 additions. A dopant impact on facilitating the formation of oxygen vacancies in the host oxide and on the features of new mixed phases have been studied by new diagnostic means, based primarily on chemical method of differential dissolution. The method brought out the effective solvents that were the probes for identifying the nanoscale and amorphous phases possessing by the different defects on the surface of MgO films and determining contents of these phases. This approach allowed us to explain the origin of mixed phases and to estimate contribution of each from them in the macroscopic SEE properties

Vasilyeva I.G. , Vikulova E.S. , Pochtar A.A. , Morozova N.B.
Mixed Films Based on MgO for Secondary Electron Emission Application: General Trends and MOCVD Prospects

Coatings. 2021. V.11. N2. 176 :1-16. DOI: 10.3390/coatings11020176 WOS Scopus РИНЦ CAPlus OpenAlex

Полный текст от издателя

Поступила в редакцию:	14 дек. 2020 г.
Принята к публикации:	28 янв. 2021 г.
Опубликована в печати:	2 февр. 2021 г.
Опубликована online:	2 февр. 2021 г.

Web of science:	WOS:000622361900001
Scopus:	2-s2.0-85100686868
РИНЦ:	46752274
Chemical Abstracts:	2021:411598
OpenAlex:	W3127397354

БД	Цитирований
Scopus	6
Web of science	6
РИНЦ	4
OpenAlex	6