The vortex lattice transition at high fields in Y0.85Ca0.15Ba2Cu3O7
Vortex lattice studies on YBa2Cu3O7 have shown that at high fields, up to 25 T, the associated form factor does not decrease as rapidly as expected. To explore this further, we have studied a Ca-doped variant of this compound. Doping with Ca leaves the copper-oxygen chain structures unchanged, allowing us to explore the effect of doping without having to account for changes due to the disruption of the Cu-O chains. We have collected data up to 25 T on a 15% doped sample at EXED/HFM at HZB. We wish to complement these measurements at intermediate fields at D33 using the 17 T magnet to complete our comparison with the parent compound.
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CAMPILLO Emma; Ahmed Alshemi; ASSEFA Tadesse Abebaw; BLACKBURN Elizabeth; CAMERON Alistair; CUBITT Robert; FORGAN Edward M.; FURUKAWA K. Hazuki; Alexander T Holmes and SHEN Lingjia. (2021). The vortex lattice transition at high fields in Y0.85Ca0.15Ba2Cu3O7. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.5-41-1079