کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1595364 | 1515720 | 2007 | 5 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Tunneling spectroscopy between a ferromagnet and s-wave superconductor carrying a supercurrent
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی مواد
دانش مواد (عمومی)
پیش نمایش صفحه اول مقاله
چکیده انگلیسی
The Bogoliubov-de Gennes equation and Blonder-Tinkham-Klapwijk model are applied to studying tunneling spectroscopy between a ferromagnet and s-wave superconductor carrying a supercurrent in the clean limit. It is found that a three peak structure including a peak at zero energy at nearly critical IS and Zâ0.5 appears because the system has become gapless for both normal metal/superconductor (N/S) and ferromagnet/superconductor (F/S) junctions. In the presence of exchange energy, besides the gaplessness on the Fermi surface, the other interesting result is that the coherence peaks are split into two peaks respectively due to the presence of the transverse supercurrent in S, and the coherence peaks splitting becomes large with increasing the supercurrent.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Solid State Communications - Volume 143, Issues 8â9, August 2007, Pages 373-377
Journal: Solid State Communications - Volume 143, Issues 8â9, August 2007, Pages 373-377
نویسندگان
Li-Yun Yang, D.Y. Xing, Hong-Min Li, Jie Liu,