Abstract
We report on magnetotransport experiments investigating the effect of a regular array of nanoscale holes on the anisotropic response in the transition temperature of a superconducting niobium thin film. We find that the angle dependence of the critical temperature exhibits two strong anisotropic effects: Little-Parks oscillations whose period varies with field direction and a smooth background arising from one-dimensional confinement by the finite lateral space between neighboring holes. The two components of the anisotropy are intrinsically linked and appear in concert with one superimposed on top of the other.
Highlights
This is the accepted manuscript made available via CHORUS, the article has been published as: Anisotropy of the critical temperature of a superconducting niobium thin film with an array of nanoscale holes in an external magnetic field
We report on magneto-transport experiments investigating the effect of a regular array of nanoscale holes on the anisotropic response in the transition temperature of a superconducting niobium thin film
We find that the angle dependence of the critical temperature exhibits two strong anisotropic effects: Little-Parks oscillations whose period varies with field direction and a smooth background arising from one-dimensional confinement by the finite lateral space between neighboring holes
Summary
We report on magneto-transport experiments investigating the effect of a regular array of nanoscale holes on the anisotropic response in the transition temperature of a superconducting niobium thin film. This is the accepted manuscript made available via CHORUS, the article has been published as: Anisotropy of the critical temperature of a superconducting niobium thin film with an array of nanoscale holes in an external magnetic field
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