Publication: Creation of thin superconducting MoCN thin film by cathode sputtering technique as a basic material for functional cryogenic nanoelements
Дата
2019
Авторы
Goncharov, B. V.
Gurovich, B. A.
Dementyeva, M. M.
Olshansky, E. D.
Prikhodko, K. E.
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© Published under licence by IOP Publishing Ltd.Thin MoCN films were synthesized by a method of cathode sputtering of mosaic Mo-C targets by nitrogen ions at temperature of 800°C on substrates of the oxidized silicon. The temperature dependences of electrical resistance of the films in the range of 4.2-300°K were measured. Volt-ampere characteristics of the films and critical current density vs film thickness were obtained at a temperature of 4.2°K. The microstructure and film-depth chemical composition profiles of thin films were investigated by analytical techniques of the transmission electron microscopy (HRTEM, EELS) on a cross-section samples made by the focused ion beam (FIB). It was established that MoCN thin film at a thickness of 8 nm contained MoC and Mo5N6 layers. The high density of critical current in these films indicated prospects of their application in the field of cryogenic nanotechnologies.
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Creation of thin superconducting MoCN thin film by cathode sputtering technique as a basic material for functional cryogenic nanoelements / Goncharov, B.V. [et al.] // IOP Conference Series: Materials Science and Engineering. - 2019. - 699. - № 1. - 10.1088/1757-899X/699/1/012014