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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...

Resource Type:

Article

Full Text:

for Superconductivity Research, Department ofPhysics, University ofMaryland, College Park, Maryland