کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
9841699 | 1525795 | 2005 | 5 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Matching effect of vortex lattice in Bi2Sr2CaCu2O8+y with artificial periodic defects
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
فیزیک و نجوم
فیزیک ماده چگال
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Matching effect of vortex lattice in Bi2Sr2CaCu2O8+y with artificial periodic defects Matching effect of vortex lattice in Bi2Sr2CaCu2O8+y with artificial periodic defects](/preview/png/9841699.png)
چکیده انگلیسی
To study the influence of artificial periodic pinning centers on the vortex matter in high-Tc superconductors, we have measured the local magnetization and the electrical resistance of Bi2Sr2CaCu2O8+y single crystals with sub-micron holes, which are distributed as a triangular lattice. Both measurements show matching effects in multiples of the matching field calculated from the lattice spacing of the defect array. The maximum field in which the matching effect is observed is larger than the field of the vortex-lattice melting transition in samples without artificial defects. The results suggest the existence of a kind of vortex liquid phase which has an in-plane order.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Physica C: Superconductivity - Volumes 426â431, Part 1, 1 October 2005, Pages 113-117
Journal: Physica C: Superconductivity - Volumes 426â431, Part 1, 1 October 2005, Pages 113-117
نویسندگان
S. Ooi, T. Mochiku, S. Yu, E.S. Sadki, K. Hirata,