Concepedia

Properties of Tl<sub>2</sub>Ba<sub>2</sub>Ca<sub>2</sub>Cu<sub>3</sub>O<sub>x</sub> Thin Films with a Critical Temperature of 122 K Prepared by Excimer Laser Ablation

Toshihide Nabatame, Yukio Saitō, Katsuzo Aihara, Tomoichi Kamo, Shinpei Matsuda

Japanese Journal of Applied Physics · 1990 · 31 citations · 4 references

DOI

Concepts

Abstract

Superconducting thin films with a single Tl 2 Ba 2 Ca 2 Cu 3 O x (2223) phase were fabricated on MgO(100) substrates using excimer laser ablation and post annealing. The films had a highly c -axis-oriented structure and showed zero resistance at 122 K. Diamagnetism also appeared at 122 K and a 95% transition was achieved at 110 K. The critical current density of the film at 77 K was 1.5×10 5 A/cm 2 at 0 T.

References

4

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Relationship between Crystal Structures and Solid Solution of Tl-Sr-Ca-Cu-O and Tl-Ba-Ca-Cu-O Superconductors

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Preparation of high <i>T</i> <i>c</i> Tl-Ba-Ca-Cu-O thin films by pulsed laser evaporation and Tl2O3 vapor processing

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Highly oriented Tl2Ba2Ca2Cu3O10 thin films by pulsed laser evaporation

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