학술논문

Influence of Substrate Temperature on the Morphology and Phase Composition of Thin Films Prepared From Y-123 Targets by the IJD Method
Document Type
Periodical
Source
IEEE Transactions on Applied Superconductivity IEEE Trans. Appl. Supercond. Applied Superconductivity, IEEE Transactions on. 33(5):1-4 Aug, 2023
Subject
Fields, Waves and Electromagnetics
Engineered Materials, Dielectrics and Plasmas
Substrates
Films
Cathodes
Surface morphology
Morphology
Temperature
Surface treatment
Ionized jet deposition
thin films
Y-Ba-Cu-O system
substrate temperature influence
Language
ISSN
1051-8223
1558-2515
2378-7074
Abstract
The Ionized Jet Deposition method (IJD) is a relatively new and rapidly evolving physical vapour deposition technique. IJD has significant potential for cost-effective scale-up fabrication of thin films. Furthermore, IJD's flexibility allows the preparation of thin films from a wide range of materials, due to the possibility of adjusting many depositions parameters. The substrate temperature is crucial as it fundamentally affects the deposition of Y 1 Ba 2 Cu 3 O 7-x (YBCO or Y-123). Desired Y-123 phase formation depends primarily on the substrate temperature and target stoichiometry. This work was focused on substrate temperature optimization during the deposition in the range from 700 to 830 °C. Thin films were prepared using Y-123 targets and a constant accelerating voltage of 14 kV. The phase composition of the samples was analysed by the XRD using the grazing incident geometry. The homogeneity and surface morphology were studied by SEM method confirming a surface morphology with “droplets” typical for the HTS thin films prepared by IJD.