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- Oh, Yoon Seok
- Laboratory for Strong Correlation in Quantum Materials
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Josephson effect between electron-doped and hole-doped iron pnictide single crystals
- Author(s)
- Zhang, Xiaohang, Saha, Shanta R., Butch, Nicholas P., Kirshenbaum, Kevin, Paglione, Johnpierre, Greene, Richard L., Liu, Yong, Yan, Liqin, Oh, Yoon Seok, Kim, Kee Hoon, Takeuchi, Ichiro
- Issued Date
- 2009-08
- Citation
- APPLIED PHYSICS LETTERS, v.95, no.6, pp.062510
- Abstract
- We have observed the Josephson effect in junctions formed between single crystals of SrFe1.74Co0.26As2 and Ba0.23K0.77Fe2As2. The ac Josephson effect was observed under microwave irradiation in the I-V characteristics. By applying an in-plane magnetic field, the critical current is completely modulated and shows a relatively symmetric diffraction pattern consistent with the intermediate junction limit. The observation of the Josephson effect in the p-n bicrystal structure not only has significant implications for designing phase-sensitive junctions to probe the pairing symmetry of iron pnictide superconductors, but also represents an important step in developing all iron pnictide devices for applications.
- Publisher
- AMER INST PHYSICS
- ISSN
- 0003-6951
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