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Difference Between rm BaSnO 3 and rm BaZrO 3 Nano-Rods for C-Axis-Correlated Pinning Properties in rm REBa 2 rm Cu 3 rm O rm y

In order to understand the vortex pinning properties by the BaZrO sub(3) (BZO) and BaSnO sub(3) (BSO) nano-rods in Er123 films, the microstructure and the angular dependence of J sub(c) and resistivity were measured in detail for the BZO and the BSO added Er123 films with the similar matching field...

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Published in:	IEEE transactions on applied superconductivity 2009-01, Vol.19 (3)
Main Authors:	Namba, M, Awaji, S, Watanabe, K, Ito, S, Aoyagi, E, Kai, H, Yasunaga, S, Mukaida, M, Kita, R
Format:	Article
Language:	English
Subjects:	Barium stannate Barium zirconates Magnetic fields Nanocomposites Nanomaterials Nanostructure Pinning Superconductivity
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creator	Namba, M Awaji, S Watanabe, K Ito, S Aoyagi, E Kai, H Yasunaga, S Mukaida, M Kita, R
description	In order to understand the vortex pinning properties by the BaZrO sub(3) (BZO) and BaSnO sub(3) (BSO) nano-rods in Er123 films, the microstructure and the angular dependence of J sub(c) and resistivity were measured in detail for the BZO and the BSO added Er123 films with the similar matching field prepared by pulsed laser deposition. We found that the peak at B //c in the angular dependence of J sub(c) for the Er123 film with BSO nano-rods was higher in a wide magnetic field region up to the irreversible field than that for the Er123 film with BZO nano-rods, although the minimum values of the angular dependence of J sub(c) are similar each other. Hence, the BSO nano-rods work more effectively as the c -axis-correlated pinning center than the BZO nano-rods because of the different elementary pinning energy of nano-rods.
doi_str_mv	10.1109/TASC.2009.2018858
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subjects	Barium stannate Barium zirconates Magnetic fields Nanocomposites Nanomaterials Nanostructure Pinning Superconductivity
title	Difference Between rm BaSnO 3 and rm BaZrO 3 Nano-Rods for C-Axis-Correlated Pinning Properties in rm REBa 2 rm Cu 3 rm O rm y
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