Search Results - "CROMAR, M. W"

High-Tc 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 to…”
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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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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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Flux limit of cosmic-ray magnetic monopoles from a multiply discriminating superconducting detector by CROMAR, M. W, CLARK, A. F, FICKETT, F. R

“…A multiply discriminating, three-loop superconducting monopole detector was operated for 1 yr. During this period, 8523 h of data were accumulated. The sensing…”
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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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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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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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Optimization of SrTiO3 for applications in tunable resonant circuits by TREECE, R. E, THOMPSON, J. B, MUELLER, C. H, RIVKIN, T, CROMAR, M. W

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Critical current behavior of Ag-coated YBa2Cu3O7-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

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Current-voltage characteristics of nanoampere Josephson junctions by Ono, R., Cromar, M., Kautz, R., Soulen, R., Colwell, J., Fogle, W.

“…We have studied the current-voltage characteristics of small area tunnel junctions at temperatures below 1 K. The junctions were made in an edge geometry with…”
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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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The NBS magnetic monopole detector by Cromar, M., Clark, A., Fickett, F.

“…We have built and operated several inductive type monopole detectors, the present one having three concentric, orthogonal loops operated in coincidence. The…”
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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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YBA2Cu3O7-δ/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

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High-Tc 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

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Double transformer coupling to a very low noise SQUID by Muhlfelder, B., Johnson, W., Cromar, M.

“…We demonstrate a new way to couple efficiently to a low-inductance, low-noise SQUID. We have built and tested a planar dc SQUID with an integral matching…”
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Well coupled, low noise, dc SQUIDs by Muhlfelder, B., Beall, J., Cromar, M., Ono, R., Johnson, W.

“…We have designed, fabricated, and tested a Double Transformer (DT) coupled dc SQUID (Superconducting Quantum Interference Device) with low noise, an input…”
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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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