Charge transport in thin hafnium and zirconium oxide films

D. R. Islamov; V. A. Gritsenko; A. Chin

doi:10.3103/S8756699017020121

Charge transport in thin hafnium and zirconium oxide films

D. R. Islamov, V. A. Gritsenko, A. Chin

Результат исследования: Научные публикации в периодических изданиях › статья › рецензирование

13 Цитирования (Scopus)

Аннотация

The mechanism of charge transport in MIS structures on the basis of thin hafnium and zirconium oxide films is studied. It is shown that transport in the studied materials is limited by phonon assisted tunneling between traps. From the comparison of experimental current-voltage characteristics of MIS structures n-Si/HfO₂/Ni and n-Si/ZrO₂/Ni, the estimated, thermal, and optical energies of traps are determined. It is shown that oxygen vacancies are localization centers (traps) of charge carriers in HfO₂ and ZrO₂.

Язык оригинала	английский
Страницы (с-по)	184-189
Число страниц	6
Журнал	Optoelectronics, Instrumentation and Data Processing
Том	53
Номер выпуска	2
DOI	https://doi.org/10.3103/S8756699017020121
Состояние	Опубликовано - 1 мар 2017

Доступ к документу

10.3103/S8756699017020121

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Charge transport in thin hafnium and zirconium oxide films. / Islamov, D. R.; Gritsenko, V. A.; Chin, A.

В: Optoelectronics, Instrumentation and Data Processing, Том 53, № 2, 01.03.2017, стр. 184-189.

Результат исследования: Научные публикации в периодических изданиях › статья › рецензирование

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AU - Chin, A.

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N2 - The mechanism of charge transport in MIS structures on the basis of thin hafnium and zirconium oxide films is studied. It is shown that transport in the studied materials is limited by phonon assisted tunneling between traps. From the comparison of experimental current-voltage characteristics of MIS structures n-Si/HfO2/Ni and n-Si/ZrO2/Ni, the estimated, thermal, and optical energies of traps are determined. It is shown that oxygen vacancies are localization centers (traps) of charge carriers in HfO2 and ZrO2.

AB - The mechanism of charge transport in MIS structures on the basis of thin hafnium and zirconium oxide films is studied. It is shown that transport in the studied materials is limited by phonon assisted tunneling between traps. From the comparison of experimental current-voltage characteristics of MIS structures n-Si/HfO2/Ni and n-Si/ZrO2/Ni, the estimated, thermal, and optical energies of traps are determined. It is shown that oxygen vacancies are localization centers (traps) of charge carriers in HfO2 and ZrO2.

KW - amorphous films

KW - hafnium oxide

KW - insulator with high insulator permittivity

KW - transport

KW - zirconium oxide

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