کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
5358408 | 1503650 | 2014 | 6 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Strong enhancement flux pinning in MOD-YBa2Cu3O7âx films with self-assembled BaTiO3 nanocolumns
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موضوعات مرتبط
مهندسی و علوم پایه
شیمی
شیمی تئوریک و عملی
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چکیده انگلیسی
YBCO thin films with BaTiO3 nanocolumns were fabricated on (0Â 0Â l) oriented LaAlO3 substrates by metal-organic deposition (MOD). High critical current density (Jc) up to 10Â MA/cm2 has been observed on these self-assembled BaTiO3 nanocolumns doped YBCO films at 77Â K and self-field. These BaTiO3 nanocolumns had no preferential orientation and were distributed randomly in the YBCO matrix. And an improved critical current density over a wide range of magnetic field in the BaTiO3-YBCO composite films were found, which implies that this unique self-assembled microstructure provided strong vortex pinning in YBCO films.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Applied Surface Science - Volume 314, 30 September 2014, Pages 622-627
Journal: Applied Surface Science - Volume 314, 30 September 2014, Pages 622-627
نویسندگان
Fazhu Ding, Hongwei Gu, Teng Zhang, Hongyan Wang, Fei Qu, Qingquan Qiu, Shaotao Dai, Xingyu Peng, Jiang-Li Cao,