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Non-linearity of the YBa2Cu3O7-δ low field diamagnetic properties: Multi-harmonic analysis.

✍ Scribed by F. Lera; R. Navarro; C. Rillo; J. Bartolomé; J. Blasco; J. García; L.A. Angurel

Publisher
Elsevier Science
Year
1989
Tongue
English
Weight
130 KB
Volume
162-164
Category
Article
ISSN
0921-4534

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✦ Synopsis

The a.c. magnetic susceptibility data on YBa2Cu307_ ~ has been extended by measurement of higher harmonics, up to fifth order for low bias d.c. field and temperatures above and below the onset of phase-coherence between superconducting grains. The influence of small parasitic fields in the even terms is assesed.

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✍ J. Hammann; M. Ocio; E. Vincent; A. Bertinotti; D. Luzet; A. Revcolevschi; J. Je 📂 Article 📅 1987 🏛 Elsevier Science ⚖ 281 KB

Low-field (0.4 G ~< H ~< 3 G) magnetization measurements have been performed on small single crystals of superconducting YBa2Cu30 7 ~ (T c---95 K) using a SQUID magnetometer. They revealed anisotropic properties in the temperature dependences of the shielding and the Meissner effects. A sharp unique