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Synthesis and characterization of niobium carbide thin films on diamond surface for superconductive applicationстатья
Статья опубликована в высокорейтинговом журнале
Информация о цитировании статьи получена из
Scopus
Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 17 апреля 2024 г.
- Авторы: Khmelnitsky R.A., Martovitsky V.P., Bondareva J.V., Kolbatova A.I., Titova N.A., Goltsman G.N., Fedorov F.S., Egorov A.V., Matsokin N.A., Kvashnin A.G., Kvashnin D.G., Evlashin S.A.
- Журнал: Journal of Alloys and Compounds
- Том: 976
- Год издания: 2024
- Издательство: Elsevier BV
- Местоположение издательства: Netherlands
- Номер статьи: 173266
- DOI: 10.1016/j.jallcom.2023.173266
- Аннотация: Diamond's unique properties make it attractive for use in a variety of industrial applications. However, this material has not found mass application in microelectronics due to several factors, including the lack of large-sized plates, n-type doping, and high-quality metallization. In this article, we address the problem of diamond surface metallization by forming niobium carbide layers. We obtained a niobium carbide film several nanometers thick that exhibits superconducting behavior up to 12.4 K. To our knowledge, this is the highest superconducting transition temperature achieved in the niobium carbide system. The crystal lattice parameter of the film is 4.4659 Å, which is close to the maximum value for niobium carbide lattice parameters. Density functional theory calculations were employed to investigate the thermodynamic stability of niobium carbide compounds at various temperatures and determine the superconducting critical temperature of niobium carbide. The combination of diamond's high thermal conductivity, along with the strong adhesion and superconductivity of niobium cabide films, introduces exciting possibilities for the realization of superconductive sensitive detectors.
- Добавил в систему: Егоров Александр Владимирович