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Title of Journal: Z Phys B Condensed Matter

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Abbravation: Zeitschrift für Physik B Condensed Matter

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Springer Berlin Heidelberg

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DOI

10.1002/chin.200703253

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1431-584X

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Andreev reflexion at nanocontacts of superconducti

Authors: K Gloos F Martin
Publish Date: 2007/11/28
Volume: 99, Issue: 1, Pages: 321-325
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Abstract

We investigated superconducting AuIn2 by pointcontact spectroscopy Andreev reflexion was observed with nearly full excess current at contact sizes down to 015 nm This implies together with a large superconducting coherence length of 11 μm almost ideal retroreflectivity At the onset of lateral confinement of the ballistic electrons the Andreevderived spectra broaden dramatically due to inelastic scattering at defects or the strain field near the contact Lateral confinement does not suppress Andreev reflexion

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Other Papers In This Journal:
  1. On the critical temperature of non-periodic Ising models on hexagonal lattices
  2. On the critical temperature of non-periodic Ising models on hexagonal lattices
  3. Effect of preparation on Hg−Ba−Ca−Cu−O superconductors
  4. Structural relaxation and viscous flow in amorphous ZrAlCu
  5. Nonequilibrium statistical mechanical formulation for grain growth
  6. Ions and atoms in superfluid helium ( 4 He)
  7. Microcanonical ensemble study of a gas column under gravity
  8. Shift of the Bragg position in grazing-incidence diffraction
  9. Electrical field induced growth of triangular nanometer structures on WSe 2
  10. Nature of coherent enhancement of inelastic electron scattering from disordered media
  11. Optical mode crossings and the low temperature anomalies of SrTiO 3
  12. Multiphonon decay of strong mode in quantum lattice
  13. Andreev reflexion at nanocontacts of superconducting AuIn 2 with copper
  14. Interrelations between various frustrated Ising- and q -state-models
  15. The Hume-Rothery rules and phase stabilities in noble metal alloys
  16. Instabilities of weakly correlated electronic gas on a two dimensional lattice
  17. Non-Fermi-liquid behavior and d-wave superconductivity near the charge-density-wave quantum critical point
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