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Anisotropy of transport critical currents and intrinsic pinning properties in YBa2Cu3O7−δ single-crystal thin films

✍ Scribed by T. Nishizaki; T. Aomine; I. Fujii; K. Yamamoto; S. Yoshii; T. Terashima; Y. Bando

Publisher
Elsevier Science
Year
1991
Tongue
English
Weight
153 KB
Volume
185-189
Category
Article
ISSN
0921-4534

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✦ Synopsis

We have studied the anisotropy of transport critical current densities J¢ and pinning properties for YBa~CuaOT-s single-crystal thin films in magnetic fields H up to 12 T as a function of angle between//and the crystal axes.

The observed angular dependence of J¢ agreed with the intrinsic pinning model below 2.0T at 77K. Flux pinning scaling law indicated that both intrinsic and extrinsic pinning are classified as surface type pinning.

📜 SIMILAR VOLUMES

Transport critical currents and flux pin
Transport critical currents and flux pinning in melt-grown YBa2Cu3O7−δ
✍ Y. Yang; C. Beduz; Z. Yi; R.G. Scurlock 📂 Article 📅 1992 🏛 Elsevier Science 🌐 English ⚖ 579 KB

The critical current and flux pinning properties of melt grown YBa2Cu3OT\_6 bulk material were investigated by transport measurements and V-I characteristics. A J¢ of 16 000 A cm -2 in zero field and 3000 A cm -2 in 1 T at 77 K was obtained using a criterion of 3.3 I~V cm-~. No features of granulari