Low frequency noise properties of all-thin film superconducting point contacts

Hatle, M.; Hamasaki, K.
April 1994
Applied Physics Letters;4/25/1994, Vol. 64 Issue 17, p2309
Academic Journal
Demonstrates the low frequency noise properties of an all-thin film superconducting point contact (SPC). Application of a voltage pulse to the semiconductor edge sandwich for SPC preparation; Analysis of the magnitude of low frequency noise; Relation between noise and subgap-to-supergap resistance.


Related Articles

  • Nonthermal mixing mechanism in a diffusion-cooled hot-electron detector. Semenov, Alex D.; Gol'tsman, Gregory N. // Journal of Applied Physics;1/1/2000, Vol. 87 Issue 1, p502 

    Deals with a study that presented an analysis of a diffusion-cooled hot-electron detector fabricated from clean superconducting material with low transition temperature. Physical background of the nonthermal response; Response time of the detector; Resistance as a function of temperature and...

  • Low temperature current transport of Sn-GaAs contacts.  // Applied Physics Letters;7/19/1993, Vol. 63 Issue 3, p334 

    Measures the low temperature current transport properties of superconducting tin contacts to p[sup +]-gallium arsenide. Dependence of current-voltage characteristics on alloying time; Effect of long-time alloying on interface transparency; Calculation of the normal state resistance.

  • Low-resistivity contacts to bulk high Tc superconductors. Jin, S.; Davis, M. E.; Tiefel, T. H.; van Dover, R. B.; Sherwood, R. C.; O’Bryan, H. M.; Kammlott, G. W.; Fastnacht, R. A. // Applied Physics Letters;6/19/1989, Vol. 54 Issue 25, p2605 

    Convenient methods for obtaining extremely low resistivity contacts to bulk high Tc superconductors ( ρc in the range of 10-11–10-12 Ω cm2) are described. Three different configurations of silver contact metal in Y-Ba-Cu-O have been employed, i.e., embedded Ag wire, embedded Ag...

  • Electrical properties of Au/Nb-doped-SrTiO3 contact. Hasegawa, Haruhiro; Nishino, Toshikazu // Journal of Applied Physics;2/1/1991, Vol. 69 Issue 3, p1501 

    Presents a study that examined the electrical properties of high-temperature superconductor/semiconductor contacts. Analysis of the barrier properties of the samples; Measurement of the capacitance-voltage characteristics of the samples; Examination of the saturation current of the samples.

  • Josephson junctions with nonlinear damping for rapid single-flux-quantum - qubit circuits. Zorin, A. B.; Khabipov, M. I.; Balashov, D. V.; Dolata, R.; Buchholz, F.-I.; Niemeyer, J. // Applied Physics Letters;1/17/2005, Vol. 86 Issue 3, p032501 

    We demonstrate that shunting of superconductor-insulator-superconductor (S-I-S) Josephson junctions by superconductor-insulator-normal metal (S-I-N) structures having pronounced nonlinear I–V characteristics can remarkably modify the Josephson dynamics. In the regime of Josephson...

  • Detection of the proximity effect in Au/YBCO bilayers at 77 K with the aid of a low-temperature scanning tunneling microscope. Khanin, V. V.; Shuvaev, D. V.; Snigirev, O. V.; Soldatov, E. S.; Trifonov, A. S.; Vengrus, I. I.; Kupriyanov, M. Yu.; Shubnyi, G. Yu.; Zherikhin, A. N. // JETP Letters;6/25/96, Vol. 63 Issue 12, p1041 

    The characteristic features of the conductance of a tunneling contact, formed by a microscope tip and an Au/YBCO sandwich, are investigated with the aid of a scanning tunneling microscope. It is shown that there exist three types of dependences of the conductance of the structure on the applied...

  • Quantum oscillations of the differential resistance of superconductor–two-dimensional electron gas contacts. Gubankov, V. N.; Lisitskiı, M. P.; Shmelev, S. S. // Technical Physics Letters;Apr98, Vol. 24 Issue 4, p311 

    Oscillations of the differential resistance of a superconductor-two-dimensional electron gas contact were observed at low temperatures. These oscillations reflect the quantum nature of the electric charge transport perpendicular to the two-dimensional electron gas.

  • Spin polarization of charge carriers and Andreev reflection in (LaCa)MnO/superconductor point contacts. D'yachenko, A. I.; D'yachenko, V. A.; Tarenkov, V. Yu.; Krivoruchko, V. N. // Physics of the Solid State;Mar2006, Vol. 48 Issue 3, p432 

    Spin polarization of charge carriers in La0.65Ca0.35MnO3 (LCMO) is studied using point-contact Andreev spectroscopy. Pb and MgB2 are used to make superconducting electrodes. In all cases, the transport spin polarization obtained from the conductivity of LCMO/superconductor point contacts does...

  • Statistical noise due to tunneling in superconducting tunnel junction detectors. Goldie, D.J.; Brink, P.L.; Patel, C.; Booth, N.E.; Salmon, G.L. // Applied Physics Letters;6/6/1994, Vol. 64 Issue 23, p3169 

    Examines the statistical noise due to tunneling in superconducting tunnel junctions. Determination of expression for the noise; Observation of statistical tunneling noise exceeding Fano-factor; Application of derived expression in the general case of dissimilar tunneling probabilities.


Read the Article


Sorry, but this item is not currently available from your library.

Try another library?
Sign out of this library

Other Topics