𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Josephson tunneling in Bi2Sr2CaCu2O8+δ single-crystal break junctions

✍ Scribed by H.J. Tao; Farun Lu; G. Zhang; E.L. Wolf

Publisher
Elsevier Science
Year
1994
Tongue
English
Weight
272 KB
Volume
224
Category
Article
ISSN
0921-4534

No coin nor oath required. For personal study only.

✦ Synopsis

Josephson tunneling I-V characteristics have been observed in break j unctions of oxygen-annealed Bi2Sr2CaCu2Os (Bi-2212 ) single crystals, with foR. ~ 21.3 mV, and with a sharp quasipartiele edge at 2zt ~ 2 × 20 mV. This demonstrates that low values of the IoR. product, thus far as observed in HTS thin-film junctions, do not represent a fundamental limitation. The sharp quasipanicle current rise at eV= 2zt in these SIS break junctions appears to afford an accurate measurement to be made of a welldefined gap edge.

📜 SIMILAR VOLUMES

Advances in single-crystal Bi2Sr2CaCu2O8
Advances in single-crystal Bi2Sr2CaCu2O8+δ superconductors
✍ C. Kendziora; R.J. Kelley; E. Skelton; M. Onellion 📂 Article 📅 1996 🏛 Elsevier Science 🌐 English ⚖ 382 KB

Susceptibility, resistivity and X-ray diffraction measurements have been performed on single crystals of BiESr2CaCu208+ 8. Very sharp (0.5 K width) superconducting transition temperatures as low as 55 K have been reached in the overdoped part of the phase diagram. Anneals in low oxygen pressures hav

Josephson junction character along the c
Josephson junction character along the c-axis in Bi2Sr2CaCu2O8+δ
✍ Kazuo Kadowaki; Takashi Mochiku 📂 Article 📅 1994 🏛 Elsevier Science 🌐 English ⚖ 133 KB

Critical currents along the c-axis have been studied in single crystalline Bi2Sr2CaCu208+ 8 in magnetic fields. It is ohserved that the current-voltage relation has a sudden jump with a characteristic hysteresis, reminiscent of the typical Josephson junction character. The maximum critical current d