Search Results - "Withnell, T.D."

High-field flux mapping of (RE)BCO bulk superconductors—Development of an in situ scanning system by Withnell, T.D., Hari-Babu, N., Ganney, I., Dennis, A., Cardwell, D.A.

“…Flux mapping of Y–Ba–Cu–O (YBCO) melt-processed, bulk high-temperature superconductors (HTS) is used to visualise the profile of trapped magnetic field on a…”
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Strongly Coupled Artificial Bulk HTS Grain Boundaries With High Critical Current Densities by Babu, N.H., Withnell, T.D., Iida, K., Cardwell, D.A.

“…A multi-seeding process has been developed to fabricate single Y-Ba-Cu-O (YBCO) grains containing strong artificial grain boundaries. Multi-seeding of…”
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Effects of Irradiation on Vicinal YBCO Thin Films by Withnell, T.D., Schoppl, K.R., Durrell, J.H., Weber, H.W.

“…The achievable transport critical current densities in coated conductors are limited in part by low angle grain boundaries. Effects like vortex channeling…”
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Large single grain (RE)-Ba-Cu-O superconductors with nano-phase inclusions by Babu, N.H., Reddy, E.S., Shi, Y., Iida, K., Withnell, T.D., Cardwell, D.A.

“…Nano-phase (5-20 nm) particles of YBa/sub 2/(Cu/sub 0.5/M/sub 0.5/)O/sub 6/ [where M=Nb, Ta, Mo, W, Zr and Hf] have been introduced successfully into…”
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Trapped field in individual and stacked rings of bulk melt processed Y-Ba-Cu-O by Withnell, T.D., Babu, N.H., Majoros, M., Reddy, E.S., Astill, D.M., Shi, Y., Cardwell, D.A., Campbell, A.M., Kerley, N., Zhang, S.

“…Single grain rare earth barium cuprate [(RE)BCO] high temperature superconductors can trap large magnetic fields. In principle, samples can be stacked to form…”
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The effect of seed orientation and separation on the field trapping properties of multi-seeded, melt processed Y–Ba–Cu–O by Withnell, T.D., Babu, N.H., Iida, K., Shi, Y., Cardwell, D.A., Haindl, S., Hengstberger, F., Weber, H.W.

“…The size of large, individual bulk Y–Ba–Cu–O (YBCO) grains fabricated by top seeded melt growth (TSMG) determines fundamentally both the sample growth time and…”
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High-performance single grain Y–Ba–Cu–O bulk superconductor fabricated by seeded infiltration and growth by Iida, K., Babu, N.H., Withnell, T.D., Shi, Y., Haindl, S., Weber, H.W., Cardwell, D.A.

“…Large single grains of Y–Ba–Cu–O (YBCO) bulk superconductor of up to 32mm in diameter have been fabricated by a seeded infiltration and growth (IG) technique…”
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