Electron Tunneling in Superconducting Cd-Al2O3-Al Junctions |
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40 Cu wires aluminum bakelite plate BCS theory bell jar cadmium cadmium films Cold Trap collodian cooling coil foil CORNELL CORNELL UNIVERSITY CORNELL EZRA CORNELL FOUNDED CORNELL UNIVE CORNELL UNIVERSITY CORNELL CORNELL UNIVERSITY LIBRARY critical field cryostat density derivative direct current dV/dI edges electrons energy gap evaporated extra structure EZRA CORNELL Fermi surface FOUNDED CORNELL CORNELL FZRA gauss Ginzburg-Landau theory glass substrate Helmholtz coils I-V characteristics insulator KCr alum kilohm lead heat switch LIBRARY UNIVERSITY magnetic field main coil main peak measuring coil foil modulation N₂ negative resistance normal metal normal resistance ohms OUNDED particles phonon Phys presence of magnetic pumping resistor salt pill shown in Fig superconductor teflon holders temperature measuring coil thickness transition temperature tunneling current tunneling junction UNIVER CORNELL UNIVERSIT UNIVERSITY CORNELL CORNELL UNIVERSITY CORNELL LIBRARY voltage