Electron Tunneling in Superconducting Cd-Al2O3-Al Junctions |
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Page 31
... Cd films were evaporated perpendicular to the Al film . To achieve this , the glass slides were appropriately covered with masks made of Al and left in the evaporator to be pumped on . A tungsten filament was used to evaporate Al ...
... Cd films were evaporated perpendicular to the Al film . To achieve this , the glass slides were appropriately covered with masks made of Al and left in the evaporator to be pumped on . A tungsten filament was used to evaporate Al ...
Page 61
... film . Examination of the cadmium films by an interference microscope showed a double edge on cadmium films . The films were thickest in the center and abruptly became thinner at the edges . So , we went a step further and excluded the ...
... film . Examination of the cadmium films by an interference microscope showed a double edge on cadmium films . The films were thickest in the center and abruptly became thinner at the edges . So , we went a step further and excluded the ...
Page 83
... film and enlarged to 8 " x 10 " prints for measurement . A 6 " x 6 " enlargement of a typical set of fringes is ... Cd - glass edge while the step on the right shows an increase of the thickness of the Cd film itself . For the sample ...
... film and enlarged to 8 " x 10 " prints for measurement . A 6 " x 6 " enlargement of a typical set of fringes is ... Cd - glass edge while the step on the right shows an increase of the thickness of the Cd film itself . For the sample ...
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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