Dependence of magnetic penetration depth on the thickness of superconducting Nb thin films

A. I. Gubin,1,2 K. S. Il’in,3 S. A. Vitusevich,1,* M. Siegel,3 and N. Klein1 1Institut für Schichten und Grenzflächen and CNI—Centre of Nanoelectronic Systems for Information Technology, Forschungszentrum Jülich, D-52425 Jülich, Germany 2Usikov Institute for Radiophysics and Electronics, National Academy of Sciences of Ukraine, 61085 Kharkiv, Ukraine 3Institut für Mikround Nanoelektoronische Systeme, Universität Karlsruhe, D-76187 Karlsruhe, Germany Received 10 January 2005; revised manuscript received 22 March 2005; published 3 August 2005

[1]  M. Strongin,et al.  Destruction of Superconductivity in Disordered Near-Monolayer Films , 1970 .

[2]  Daniel E. Prober,et al.  Superconducting terahertz mixer using a transition-edge microbolometer , 1993 .

[3]  H. Newman,et al.  Determination of surface resistance and magnetic penetration depth of superconducting YBa/sub 2/Cu/sub 3/O/sub 7- delta / thin films by microwave power transmission measurements , 1991 .

[4]  P. Bosland,et al.  Metallurgical analysis and RF losses in superconducting niobium thin film cavities , 1997, IEEE Transactions on Applied Superconductivity.

[5]  S.M. Ali,et al.  Current distribution, resistance, and inductance for superconducting strip transmission lines , 1991, IEEE Transactions on Applied Superconductivity.

[6]  A. Schmid.  Electron-phonon interaction in an impure metal , 1973 .

[7]  Larbalestier,et al.  Effect of geometry on the critical currents of thin films. , 1994, Physical review. B, Condensed matter.

[8]  M. Beasley,et al.  Localization and interaction effects in ultrathin amorphous superconducting films , 1984 .

[9]  T. Phillips,et al.  Millimeter and Submillimeter Detectors for Astronomy , 2003 .

[10]  B. W. Maxfield,et al.  Superconducting Penetration Depth of Niobium , 1965 .

[11]  T. Klapwijk,et al.  Critical pair-breaking current in superconducting aluminum strips far below T/sub c/ , 1982 .

[12]  T. Geballe,et al.  Tc depression in thin Nb films , 1985 .

[13]  P. B. Miller.  Penetration depth in impure superconductors , 1959 .

[14]  M. Peiniger,et al.  The effective microwave surface impedance of high Tc thin films , 1990 .

[15]  U. Poppe,et al.  Microwave surface resistance of epitaxial YBa2Cu3O7 thin films at 18.7 GHz measured by a dielectric resonator technique , 1992 .

[16]  W. L. Mcmillan.  TRANSITION TEMPERATURE OF STRONG-COUPLED SUPERCONDUCTORS. , 1968 .

[17]  P. Esquinazi,et al.  3D–2D-like vortex transition above Bc2 in niobium films , 2003 .

[18]  M. V. Feigel’man,et al.  Superconductive properties of thin dirty superconductor–normal-metal bilayers , 2001 .

[19]  Clem,et al.  Magnetization and transport currents in thin superconducting films. , 1994, Physical review. B, Condensed matter.

[20]  S. Wolf,et al.  Properties of superconducting rf sputtered ultrathin films of Nb , 1976 .

[21]  S. P. Zhao,et al.  Absolute measurement of penetration depth in a superconducting film by the two-coil technique , 1999 .

[22]  D. Douglass,et al.  Enhanced Superconductivity in Layered Metallic Films , 1968 .

[23]  G. Lamura,et al.  Very high resolution measurement of the penetration depth of superconductors by a novel single-coil inductance technique , 2000 .

[24]  R. Amos,et al.  Stress and source conditions of DC magnetron sputtered Nb films , 1995, IEEE Transactions on Applied Superconductivity.

[25]  Hsu,et al.  Superconducting transition, fluctuation, and vortex motion in a two-dimensional single-crystal Nb film. , 1992, Physical review. B, Condensed matter.

[26]  T. Imamura,et al.  Fabrication of high quality Nb/AlO/sub x/-Al/Nb Josephson junctions. I. Sputtered Nb films for junction electrodes , 1992, IEEE Transactions on Applied Superconductivity.

[27]  Boris S. Karasik,et al.  Low noise in a diffusion-cooled hot-electron mixer at 2.5 THz , 1997 .

[28]  E. Gershenzon,et al.  Electron-phonon interaction in disordered metal films: The resistivity and electron dephasing rate , 1997 .

[29]  Michael Siegel,et al.  Ultimate performance of a superconducting quantum detector , 2003 .

[30]  A V Ustinov,et al.  Josephson behavior of phase-slip lines in wide superconducting strips. , 2003, Physical review letters.

[31]  A. Aronov,et al.  Effects of electron-electron collisions with small energy transfers on quantum localisation , 1982 .

[32]  B. Mühlschlegel.  Die thermodynamischen Funktionen des Supraleiters , 1959 .

[33]  L. Cooper.  Superconductivity in the neighborhood of metallic contacts , 1961 .

[34]  Mario Bertolotti,et al.  Temperature dependence of the refractive index in semiconductors , 1990 .

[35]  M. Beasley,et al.  Phase-slip centers and nonequilibrium processes in superconducting tin microbridges , 1974 .

[36]  Gheorghe Stan,et al.  Critical field for complete vortex expulsion from narrow superconducting strips. , 2004, Physical review letters.

[37]  Konstantin K. Likharev,et al.  Superconducting weak links , 1979 .

[38]  Y. Oreg,et al.  Suppression of $\bbox{T_c}$ in superconducting amorphous wires , 1999, cond-mat/9906371.

[39]  J. Cuomo,et al.  ELECTRICAL CHARACTERISTICS OF rf-SPUTTERED SINGLE-CRYSTAL NIOBIUM FILMS. , 1972 .