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Electronics

Sensors

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  • Published Date
Displaying 276 - 300 of 706

Programmable 1 V DC Voltage Standard

April 1, 1999
Author(s)
Charles J. Burroughs, Samuel Benz, Clark A. Hamilton, Todd E. Harvey
We have developed a Josephson voltage standard that produces intrinsically stable voltages that are programmable of 32 768 SNS (superconductor-normal-superconductor) Josephson junctions. The output can source or sink up to 2 mA and thus has high noise

Chaos

December 31, 1998
Author(s)
Richard L. Kautz

Microwave Power Handling in Engineered Yba 2 Cu 3 O^d6-d Grain Boundaries

October 12, 1998
Author(s)
Y. M. Habib, D. E. Oates, G. Dresselhaus, M. Dresselhaus, Leila R. Vale, Ronald H. Ono
Microwave-frequency (rf) power-dependence measurements performed on thin-film Yba 2Cu 3O^d7-δ grain boundaries engineered on sapphire bicrystal substrates with misorientation angles of θ=20, 50, 100, and 240 are presented. The data are compared to

Microcalorimeter EDS Measurements of Chemical Shifts in Fe Compounds

July 1, 1998
Author(s)
David A. Wollman, Dale E. Newbury, Gene C. Hilton, Kent D. Irwin, L L. Dulcie, Norman F. Bergren, John M. Martinis
Chemical shifts result from changes in electron binding energies with the chemical environment of atoms. In x-ray spectra, chemical shifts lead to changes in x-ray peak positions, relative peak intensities, and peak shapes. These chemical bonding effects

Pulse-Driven Josephson Digital/Analog Converter

June 1, 1998
Author(s)
Samuel Benz, Clark A. Hamilton, Charles J. Burroughs, Todd E. Harvey, Laurie Christian, J. X. Przybysz
We have designed and demonstrated a pulse-driven Josephson digital/analog converter. When used as a programmable voltage standard, this device can synthesize metrologically accurate ac waveforms as well as stable dc voltages. We show through simulations

Comparison of heteroepitaxial YBa 2 Cu 3 O 7-d and TiO 2 thin film growth

December 31, 1997
Author(s)
Alexana Roshko, F. J. Stork, David A. Rudman, D. J. Aldrich, P. A. Hotsenpiller
The growth of heteroepitaxial YBa 2Cu 3O 7-δ and TiO 2 thin films has been investigated as a function of deposition rate. film thickness, and deposition temperature. In spite of the fact that the two materials are grown at very different rates and
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