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Electronics

Sensors

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Displaying 301 - 325 of 715

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

RF Power Dependence Study of Large Area YBCO Thin Films

June 1, 1997
Author(s)
Z Ma, E. I. DeObaldia, G. Hampel, P. A. Polakos, P. M. Mankiewich, B. Batlogg, W. Prusseit, H. Kinder, Angela Anderson, D. E. Oates, Ronald H. Ono, James A. Beall
In an effort to develop HTS superconducting filters with sufficient power handling capability for PCS (Personal Communication Services) base station transmit applications, we have undertaken a study of the power dependence of large area YBCO thin films on

Surface resistance and morphology of YBCO films as a function of thickness

June 1, 1997
Author(s)
F. J. Stork, James A. Beall, Alexana Roshko, Donald C. DeGroot, David A. Rudman, Ronald H. Ono, Jerzy Krupka
We have examined the thickness dependence of the growth morphology and surface resistance Rs of laser ablated YBa 2Cu 3O 7-x films with transition temperatures over 89 K and critical current densities greater than 10 6 A/cm2 at 76 K. The thickness was
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