NDLI: Effect of layer thickness on structural, morphological and superconducting properties of $Nb_{3}$Sn films fabricated by multilayer sequential sputtering

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Effect of layer thickness on structural, morphological and superconducting properties of $Nb_{3}$Sn films fabricated by multilayer sequential sputtering

Content Provider	Scilit
Author	Sayeed, M. N. Pudasaini, U. Reece, C. E. Eremeev, G. V. Elsayed-Ali, H. E.
Copyright Year	2020
Description	Journal: Iop Conference Series: Materials Science and Engineering Superconducting $Nb_{3}$Sn films can be synthesized by controlling the atomic concentration of Sn. Multilayer sequential sputtering of Nb and Sn thin films followed by high temperature annealing is considered as a method to fabricate $Nb_{3}$Sn films, where the Sn composition of the deposited films can be controlled by the thickness of alternating Nb and Sn layers. We report on the structural, morphological and superconducting properties of $Nb_{3}$Sn films fabricated by multilayer sequential sputtering of Nb and Sn films on sapphire substrates followed by annealing at 950 °C for 3 h. We have investigated the effect of Nb and Sn layer thickness and Nb:Sn ratio on the properties of the $Nb_{3}$Sn films. The crystal structure, surface morphology, surface topography, and film composition were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), atomic force microscopy (AFM), and energy dispersive X-ray spectroscopy (EDS). The results showed Sn loss from the surface due to evaporation during annealing. Superconducting $Nb_{3}$Sn films of critical temperature up to 17.93 K were fabricated.
Related Links	https://iopscience.iop.org/article/10.1088/1757-899X/756/1/012014/pdf
ISSN	17578981
e-ISSN	1757899X
DOI	10.1088/1757-899x/756/1/012014
Journal	Iop Conference Series: Materials Science and Engineering
Issue Number	1
Volume Number	756
Language	English
Publisher	IOP Publishing
Publisher Date	2020-03-01
Access Restriction	Open
Subject Keyword	Journal: Iop Conference Series: Materials Science and Engineering Coatings and Films Condensed Matter Physics
Content Type	Text
Resource Type	Article

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