Superconducting anti-dot arrays from self-assembly template methods

(2)School of Chemistry; A.A.Zhukov (1); Astronomy; E.T.Filby (1); M.A.Ghanem (2); P. A. J. de Groot (1) ((1) School of Physics; P.N.Bartlett (2); Southampton; UK; UK)

arxiv: cond-mat/0310459 · v1 · submitted 2003-10-20 · ❄️ cond-mat.supr-con · cond-mat.mes-hall· cond-mat.mtrl-sci

Superconducting anti-dot arrays from self-assembly template methods

A.A.Zhukov (1) , E.T.Filby (1) , M.A.Ghanem (2) , P.N.Bartlett (2) , P. A. J. de Groot (1) ((1) School of Physics , Astronomy , University of Southampton , UK

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(2)School of Chemistry Southampton UK)

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classification ❄️ cond-mat.supr-con cond-mat.mes-hallcond-mat.mtrl-sci

keywords superconductingeffectsmagneticpreparedself-assemblysusceptibilityanti-dotarchitectures

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We present results of electrochemical deposition of superconducting Pb in the pores of templates prepared by self-assembly from colloidal suspensions of polystyrene latex spheres. This technique enables us to create highly ordered superconducting nano-structures with 3D architectures on length scales ranging from 50 - 1000 nm. The prepared samples show pronounced Little-Parks oscillations in Tc and matching effects in magnetization and magnetic susceptibility. Real and imaginary parts of susceptibility follow a universal Cole-Cole curve. Self-field effects play an important role in commensurability behaviour of magnetic moment at low temperatures.

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Superconducting anti-dot arrays from self-assembly template methods

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