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https://hdl.handle.net/11147/5193
Title: | The Effects of the Post-Annealing Temperature on the Growth Mechanism of Bi2sr2ca1cu2o8+ ? Thin Films Produced on Mgo (1 0 0) Single Crystal Substrates by Pulsed Laser Deposition (pld) | Authors: | Nane, O. Özçelik, Bekir Abukay, Doğan |
Keywords: | Bi-2212 thin film Critical current density Magnetic hysteresis Post-annealing Atmospheric temperature |
Publisher: | Elsevier Ltd. | Source: | Nane, O., Özçelik, B., and Abukay, D. (2013). The effects of the post-annealing temperature on the growth mechanism of Bi2Sr2Ca1Cu2O8+ ∂ thin films produced on MgO (1 0 0) single crystal substrates by pulsed laser deposition (PLD). Journal of Alloys and Compounds, 566, 175-179. doi:10.1016/j.jallcom.2013.03.054 | Abstract: | The effects of post-annealing temperature were investigated on Bi 2Sr2Ca1Cu2O8+ ∂ thin films deposited on MgO (1 0 0) substrates by pulsed laser deposition (PLD). The structural and superconducting properties of the films have been determined by means of X-ray diffraction (XRD), scanning electron microscopy (SEM), temperature dependent resistivity (R-T), and DC magnetization measurements. The films which were deposited at 600 C were post-annealed in an atmosphere of a gas mixture of Ar (93%) and O2 (7%), at temperature ranging between 800 and 880 C. This resulted in films which exhibited a single phase of 2212 with a high crystallinity (FWHM ≈ 0.16) and texturing along the c-axis, perpendicular to the plane of the substrate. An optimum temperature of 860 C was found for the post-annealing thermal treatment. The critical temperature, TC, of the films was measured as 82 K and the critical current density, JC, was calculated as 3 × 107 A/cm2 for the film annealed at 860 C. | URI: | https://doi.org/10.1016/j.jallcom.2013.03.054 http://hdl.handle.net/11147/5193 |
ISSN: | 0925-8388 0925-8388 |
Appears in Collections: | Physics / Fizik Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection |
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