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Scaling of thin-film Nd₁.₈₅Ce₀.₁₅CuO[subscript 4-y] resistivity-current isotherms at low fields: Implications for vortex phase transitions and universality

Creator:

Roberts, J. M., Brown, Brandon, Tate, Janet, Xi, X. X., and Mao, S. N.

Abstract:

We have investigated a second-order phase transition of the vortex lattice in thin-film Nd₁.₈₅Ce₀.₁₅CuO[subscript 4-y] from 1 mT to 1 T applied magnetic fields. The dc resistivity-current density data for each field exhibit critical scaling consistent with a second-order vortex-liquid to vortex-solid phase transition. The high-field data support the vortex-glass...

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Article

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Scaling of thin-film Nd_{1.85}Ce_{0.15}CuO_{4-y
Effect of oxygen concentration on the structural and magnetic properties of LaRh₁/₂Mn₁/₂O₃ thin films

Creator:

Sheets, W. C., Smith, A. E., Subramanian, M. A., and Prellier, W.

Abstract:

Epitaxial LaRh₁/₂Mn₁/₂O₃ thin films have been grown on (001)-oriented LaAlO₃ and SrTiO₃ substrates using pulsed laser deposition. The optimized thin film samples are semiconducting and ferromagnetic with a Curie temperature close to 100 K, a coercive field of 1200 Oe, and a saturation magnetization of 1.7μB per formula unit. The...

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bulk and thin film samples of La2NiMnO6 �LNMO� �Refs. 1 and 16� and La2CoMnO6 �LCMO� �Refs. 2 and 17