Observation of vortex matching phenomena in antidot arrays of NbN thin films

We report vortex matching phenomenon in rectangular antidot array fabricated on epitaxial NbN thin film. The antidot array was fabricated using Focussed Ion Beam milling technique. The magneto-transport measurements points to a period doubling transition at higher magnetic field for rectangular latt...

Full description

Saved in:
Bibliographic Details
Published inPhysica. C, Superconductivity Vol. 470; no. SUP1; pp. S873 - S874
Main Authors Thakur, A.D., Ooi, S., Chockalingham, S.P., Jesudasan, John, Raychaudhuri, P., Hirata, K.
Format Journal Article Conference Proceeding
LanguageEnglish
Published Amsterdam Elsevier B.V 01.12.2010
Elsevier
Subjects
Antidot array
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Exact sciences and technology
Focussed Ion Beam (FIB)
Low tc films
Matching effect
NbN thin film
Physics
Properties of type I and type II superconductors
Superconducting films and low-dimensional structures
Superconductivity
Vortex lattices ,flux pinning, flux creep
Vortices
NbN thin film
Antidot array
Matching effect
Focussed Ion Beam (FIB)
Vortices
Superconducting thin films
Patterning
Flux line
Epitaxial layers
Rectangular lattice
Magnetic field effects
Mismatch lattice
Niobium nitride
Ion beam etching
Magnetoresistance
Photolithography
Online AccessGet full text

Cover

More Information
Summary:We report vortex matching phenomenon in rectangular antidot array fabricated on epitaxial NbN thin film. The antidot array was fabricated using Focussed Ion Beam milling technique. The magneto-transport measurements points to a period doubling transition at higher magnetic field for rectangular lattices. The results are discussed within the light of several models including the multi-vortex model, the matched lattice model and the super-matched lattice model.
ISSN:0921-4534
1873-2143
DOI:10.1016/j.physc.2010.02.008