Flux lattice imaging of a patterned niobium thin film | Zendy

M. Roseman | Zendy; Peter Grütter | Zendy; A. Badı́a | Zendy; V. Metlushko | Zendy

AI Assistant Blog Pricing

Home ZAIA Blog

Open Access

Flux lattice imaging of a patterned niobium thin film

Author(s) -

M. Roseman,

Peter Grütter,

A. Badı́a,

V. Metlushko

Publication year - 2001

Publication title -

journal of applied physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.699

H-Index - 319

eISSN - 1089-7550

pISSN - 0021-8979

DOI - 10.1063/1.1355327

Subject(s) - flux pinning , magnetic flux , superconductivity , condensed matter physics , niobium , magnetic force microscope , meissner effect , materials science , magnetic field , type ii superconductor , superdiamagnetism , thin film , penetration depth , pinning force , flux (metallurgy) , lattice (music) , microscope , demagnetizing field , optics , magnetization , high temperature superconductivity , physics , nanotechnology , critical current , quantum mechanics , acoustics , metallurgy

Using our cryogenic magnetic force microscope, we have investigated a superconducting Nb thin film, 100 nm in thickness with Tc~6.5 K. The film is patterned with a square array (1 μm×1 μm) of antidots, which serve as artificial pinning centers for magnetic flux. We have observed flux lattice matching as a function of applied magnetic field and temperature, for field strengths up to the third matching field, with evidence of flux dragging by the tip around the antidots. Force gradient distance curves acquired at temperatures about Tc clearly demonstrate an observable Meissner force between tip and sample, and allow for an estimation of the magnetic screening penetration depth

The content you want is available to Zendy users.

Already have an account? Click here to sign in.

Having issues? You can contact us here

Accelerating Research