کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
9841696 | 1525795 | 2005 | 5 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Vortex behavior in the finite-sized square network of Pb
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
فیزیک و نجوم
فیزیک ماده چگال
پیش نمایش صفحه اول مقاله
چکیده انگلیسی
Vortex behavior of superconducting finite-sized networks with 2 Ã 2 and 10 Ã 10 hole arrays has been investigated in a weak magnetic field. Photoresist films spin-coated on silicon substrates were first processed to draw network patterns by using the electron beam lithography. Then, the Pb networks have been made up by a lift-off technique after depositing Pb film on the resist patterns. The thickness of deposited Pb films is 200-250 nm. Photoresist film was coated to protect Pb networks fabricated on silicon substrates (4 Ã 4 mm). We carried out magnetization measurements of the Pb networks by a SQUID magnetometer as well as vortex image observations by a SQUID microscope. Matching peaks appeared in magnetization curve when a magnetic field was scanned from â4.7 G to +4.7 G. The magnetic field in SQUID microscope measurements was chosen as the integral multiples of the matching field HÏ, where the scanning area typically covers 128 Ã 128 μm with 1- or 2-μm step.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Physica C: Superconductivity - Volumes 426â431, Part 1, 1 October 2005, Pages 99-103
Journal: Physica C: Superconductivity - Volumes 426â431, Part 1, 1 October 2005, Pages 99-103
نویسندگان
Hiroshi Noda, Hirokazu Yoshikawa, Osamu Sato, Masaru Kato, Kazuo Satoh, Tsutomu Yotsuya, Takekazu Ishida,