Field and temperature dependence of intergranular hysteresis in YBa2Cu3O7 |
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| Authors: | Shailendra Kumar G Ravikumar P K Mishra P Chaddah B A Dasannacharya Ram Prasad N C Soni |
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| Institution: | (1) Nuclear Physics Division, Bhabha Atomic Research Centre, 400 085 Bombay, India;(2) Metallurgy Division, Bhabha Atomic Research Centre, 400 085 Bombay, India |
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| Abstract: | We have studied the variation of low field magnetization hysteresis in YBa2Cu3O7 as a function of the maximum magnetic field applied during a hysteresis cycle (1 G<H
max<7.3 G) and also as a function of temperature (77 K<T<95 K). The remnant magnetization is studied as a function ofH
max andT and the measured dependences are explained using the extended critical state model. The potential of this technique as a
contactless method of probing the temperature dependence ofJ
c is discussed. |
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| Keywords: | High temperature superconductors remnant magnetization critical current density |
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