History effects in harmonic generation in sintered pellets of YBaCuO

Kumar, Shailendra ; Roy, S. B. ; Chaddah, P. ; Prasad, Ram ; Soni, N. C. (1992) History effects in harmonic generation in sintered pellets of YBaCuO Physica C: Superconductivity, 191 (3-4). pp. 450-454. ISSN 0921-4534

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Official URL: http://www.sciencedirect.com/science/article/pii/0...

Related URL: http://dx.doi.org/10.1016/0921-4534(92)90943-7

Abstract

We present measurements of harmonic generation in the magnetization of a sintered YBa2Cu3O7 pellet subject to HDC + HAC × cos cot. The magnitude of the harmonics depend strongly on whether the pellet was cooled to 77K in HDC, or whether HDC was applied after zero-field-cooling. In the latter case, we also observe a large hysteresis between the HDC increasing and HDC decreasing cases. The results are explained qualitatively.

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