Search Results - "Cromar, M.W."

Optimization of SrTiO/sub 3/ for applications in tunable resonant circuits by Treece, R.E., Thompson, J.B., Mueller, C.H., Rivkin, T., Cromar, M.W.

“…A series of SrTiO/sub 3/ (STO) films have been grown at a wide range of deposition conditions in order to determine the optimal growth parameters to maximize…”
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Superconducting integrated circuit fabrication with low temperature ECR-based PECVD SiO/sub 2/ dielectric films by Sauvageau, J.E., Burroughs, C.J., Booi, P.A.A., Cromar, M.W., Benz, R.P., Koch, J.A.

“…A superconducting integrated circuit fabrication process has been developed to encompass a wide range of applications such as Josephson voltage standards, VLSI…”
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Operation of a Y-Ba-Cu-O rf SQUID at 81 K by ZIMMERMAN, J. E, BEALL, J. A, CROMAR, M. W, ONO, R. H

“…An rf superconducting quantum interference device (SQUID) has been made from bulk Y-Ba-Cu-O. The device displays quantum interference effects and operates with…”
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Tightly coupled dc SQUIDs with resonance damping by Ono, R.H., Koch, J.A., Steinbach, A., Huber, M.E., Cromar, M.W.

“…We have reduced the effect of resonances on washer style dc SQUIDs coupled to input flux transformers and analyzed our damping structures using a distributed…”
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RF response of high RF-T/sub c/ SNS Josephson microbridges suitable for integrated circuit applications by Ono, R.H., Beall, J.A., Cromar, M.W., Harvey, T.E., Johansson, M.E., Reintsema, C.D., Rudman, D.A.

“…Summary form only given. A simple process has been developed for microfabricating high transition temperature superconductor-normal-metal-superconductor (SNS)…”
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Excess low-frequency flux noise in dc SQUIDs by Huber, M.E., Cromar, M.W., Ono, R.H.

“…We have fabricated dc superconducting quantum interference devices (SQUIDs) incorporating Nb/Al-oxide/Nb Josephson junctions in both stripline and washer…”
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Low-noise tunnel junction dc SQUID’s by Cromar, M. W., Carelli, P.

“…We present the results of an investigation of thin-film dc super conducting quantum interference device (SQUID’s) with very high energy resolution. The SQUID’s…”
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High-T/sub c/ SNS junctions for multilevel integrated circuits by Ono, R.H., Vale, L.R., Kimminau, K.R., Beall, J.A., Cromar, M.W., Reintsema, C.D., Harvey, T.E., Rosenthal, P.A., Rudman, D.A.

“…High-quality superconductor-normal metal-superconductor (SNS) Josephson microbridges have been fabricated in a variety of configurations across the edge of…”
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YBa/sub 2/Cu/sub 3/O/sub 7- delta //insulator multi-layers for crossover fabrication by Beall, J.A., Cromar, M.W., Harvey, T.E., Johansson, M.E., Ono, R.H., Reintsema, C.D., Rudman, D.A., Asher, S.E., Nelson, A.J., Swartzlander, A.B.

“…The development of thin-film dielectrics compatible with the epitaxial growth of YBa/sub 2/Cu/sub 3/O/sub 7- delta / (YBCO) is crucial to the fabrication of…”
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Critical current behavior of Ag-coated YBa/sub 2/Cu/sub 3/O/sub 7-x/ thin films by Ono, R.H., Beall, J.A., Harvey, T.E., Reintsema, C.D., Johansson, M., Cromar, M.W., Goodrich, L.F., Moreland, J., Roshko, A., Stauffer, T.C.

“…The authors studied the behavior of high-quality Ba/sub 2/Cu/sub 3/O/sub 7-x/ (YBCO) thin films with Ag overlayers. The authors chose to study Ag in detail…”
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Switching noise in YBa/sub 2/Cu/sub 3/O/sub x/ 'macrobridges' by Ono, R.H., Beall, J.A., Cromar, M.W., Mankiewich, P.M., Howard, R.E., Skocpol, W.

“…Intermittent switching was observed in the voltage current characteristics of thin-film bridges of YBa/sub 2/Cu/sub 3/O/sub x/. At a fixed bias point there are…”
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High-T sub c Superconductor--Normal Metal--Superconductor Josephson Microbridges With High-Resistance Normal Metal Links by Ono, R H, Beall, J A, Cromar, M W, Harvey, T E, Johansson, M E, Reintsema, C D, Rudman, D A

“…An in situ process for fabricating high transition temperature superconductor--normal metal--superconductor microbridges has been developed using a step edge…”
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A method for simulating a flux-locked DC SQUID by Gutt, G.M., Kasdin, N.J., Condron, M.R., Muhlfelder, B., Lockhart, J.M., Cromar, M.W.

“…The authors describe a computationally efficient and accurate method for simulating a DC superconducting quantum interference device's (SQUID's) V- phi…”
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A phase sensitive SIS mixer to circumvent the quantum limit by Bocko, M.F., Zhang, Z.-n., Martinet, S., Cromar, M.W.

“…A conventional superconductor-insulator-superconductor (SIS) mixer, that is pumped by a single-frequency local oscillator (LO) functions as a phase-insensitive…”
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YBa sub 2 Cu sub 3 Co sub 7. delta. insulator multi-layers for crossover fabrication by Beall, J.A., Cromar, M.W., Harvey, T.E., Johansson, M.E., Ono, R.H., Reintsema, C.D., Rudman, D.A., Asher, S.E., Nelson, A.J. Switzerlander, A.B.

“…The development of thin-film dielectrics compatible with the epitaxial growth of YBa{sub 2}Cu{sub 3}O{sub 7{minus}{delta}} (YBCO) is crucial to the fabrication…”
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Critical current behavior of Ag-coated YBa sub 2 Cu sub 3 O sub 7 minus x thin films by Ono, R.H., Beall, J.A., Harvey, T.E., Reintsema, C.D., Johansson, M., Cromar, M.W., Goodrich, L.F., Moreland, J., Roshko, A., Stauffer, T.C.

“…This paper reports on the behavior of high-quality YBa{sub 2}Cu{sub 3}O{sub 7{minus}x} (YBC) thin films with Ag over-layers. The authors chose to study Ag in…”
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Very low noise, tightly coupled, dc SQUID amplifiers by MUHLFELDER, B, BEALL, J. A, CROMAR, M. W, ONO, R. H

“…We have fabricated and tested thin film, niobium edge junction, double transformer, dc superconducting quantum interference devices (SQUID’s) that were stable…”
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Noise in DC SQUIDS with Nb/Al-oxide/Nb Josephson junctions by Cromar, M.W., Beall, J.A., Go, D., Masarie, K.A., Ono, R.H., Simon, R.W.

“…The authors have developed a process which incorporates very-high-quality Nb/Al-oxide/Nb Josephson junctions. The junctions had low subgap conductance,…”
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Influence of an Axial Heat Current on Negative-Ion Trapping in Rotating Helium II by Cheng, D. K., Cromar, M. W., Donnelly, R. J.

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Steady-State Vortex-Line Density in Turbulent He II Counterflow by Ostermeier, R. M., Cromar, M. W., Kittel, P., Donnelly, R. J.

“…We have measured the steady-state vortex-line density in turbulent counterflow using a second-sound-burst technique as a local probe. Contrary to the Vinen…”
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