Search Results - "Face, D.W."

Large area YBa 2Cu 3O 7 and Tl 2Ba 2CaCu 2O 8 thin films for microwave and electronic applications by Face, D.W., Small, R.J., Warrington, M.S., Pellicone, F.M., Martin, P.J.

“…This paper reviews recent work at DuPont to develop high performance Tl 2Ba 2CaCu 2O 8 and YBa 2Cu 3O 7 thin films for microwave and electronic device…”
Get full text

In situ growth and properties of epitaxial TlBa/sub 2/CaCu/sub 2/O/sub 7/ and TlBa/sub 2/(Ca/sub 1-x/Y/sub x/)Cu/sub 2/O/sub 7/ thin films by Face, D.W., Nestlerode, J.P.

“…Epitaxial TlBa/sub 2/CaCu/sub 2/O/sub 7/ thin films have been grown on single-crystal LaAlO/sub 3/, NdGaO/sub 3/, and CeO/sub 2/ buffered sapphire substrates…”
Get full text

Power handling capability improvement of high-temperature superconducting microwave circuits by Zhi-Yuan Shen, Wilker, C., Pang, P., Face, D.W., Carter, C.F., Harrington, C.M.

“…The focus of High Temperature Superconducting (HTS) microwave circuit development has now shifted to improving the high power handling capability. This paper…”
Get full text

Large area YBa2Cu3O7 and Tl2Ba2CaCu2O8 thin films for microwave and electronic applications by Face, D.W., Small, R.J., Warrington, M.S., Pellicone, F.M., Martin, P.J.

“…Paper reviews recent work to develop high performance Tl2Ba2CaCu2O8 and YBa2Cu3O7 thin films for microwave and electronic device applications. The YBa2Cu3O7…”
Get full text

Tl/sub 2/Ba/sub 2/CaCu/sub 2/O/sub 8/ and YBa/sub 2/Cu/sub 3/O/sub 7/ films on large area MgO and sapphire substrates for high power microwave and rf applications by Face, D.W., Pellicone, F.M., Small, R.J., Bao, L., Warrington, M.S., Wilker, C.

“…This paper describes recent work at DuPont to extend the high power microwave performance of YBa/sub 2/Cu/sub 3/O/sub 7/ and Tl/sub 2/Ba/sub 2/CaCu/sub 2/O/sub…”
Get full text

Nonlinear effects in high temperature superconductors: 3rd order intercept from harmonic generation by Wilker, C., Zhi-Yuan Shen, Pang, P., Holstein, W.L., Face, D.W.

“…The nonlinearity or microwave surface resistance of high temperature superconductors (HTS) is of considerable interest. We report the first measurement of the…”
Get full text

Nucleation of body‐centered‐cubic tantalum films with a thin niobium underlayer by Face, D. W., Prober, D. E.

“…We discuss the structural and electrical properties of high‐quality Ta films prepared by ion beam sputter deposition. The Ta films grow in two different…”
Get full text

5 GHz high-temperature-superconductor resonators with high Q and low power dependence up to 90 K by Wilker, C., Shen, Z.-Y., Pang, P., Face, D.W., Holstein, W.L., Matthews, A.L., Laubacher, D.B.

“…The authors have fabricated high-temperature superconducting films made of TlBaCaCuO (2212) and YBaCuO…”
Get full text

Superconducting receiver coils for sodium magnetic resonance imaging by Miller, J.R., Zhang, K., Ma, Q.Y., Mun, I.K., Jung, K.J., Katz, J., Face, D.W., Kountz, D.J.

“…Presents the results from sodium magnetic resonance imaging (MRI) experiments using high-temperature superconducting (HTS) receiver coils. Sodium imaging has…”
Get full text

High current densities and associated failure mechanisms in long narrow Tl/sub 2/Ba/sub 2/CaCu/sub 2/O/sub 8/ lines by Holstein, W.L., Wilker, C., Pang, P.S.W., Laubacher, D.B., McKenna, S.P., Face, D.W.

“…The use of high temperature superconducting thin films in chip-to-chip interconnects requires the fabrication of long, narrow lines capable of carrying high…”
Get full text

Large area YBa/sub 2/Cu/sub 3/O/sub 7/ films for high power microwave applications by Face, D.W., Wilker, C., Zhi-Yuan Shen, Pang, P., Small, R.J.

“…We have developed large area YBa/sub 2/Cu/sub 3/O/sub 7/ films (/spl ges/2 inch diameter) which have low microwave surface resistance at high microwave power…”
Get full text

Advances in HTS films for high power microwave applications by Face, D.W., Wilker, C., Kingston, J.J., Zhi-Yuan Shen, Pellicone, F.M., Small, R.J., McKenna, S.P., Shiquan Sun, Martin, P.J.

“…This paper describes recent work at DuPont to extend the high power microwave performance of YBa/sub 2/Cu/sub 3/O/sub 7/ and Tl/sub 2/Ba/sub 2/CaCu/sub 2/O/sub…”
Get full text

High performance superconducting thin films on large area substrates by Lauder, A., Wilker, C., Kountz, D.J., Holstein, W.L., Face, D.W.

“…The first fabrication of 3-in-diameter, thin films of thallium-based superconductors is reported. (Tl/sub 0.5/Pb/sub 0.5/)Sr/sub 2/Ca/sub 2/Cu/sub 3/O/sub 9/…”
Get full text

Superconducting and normal metal multilayers of thallium-lead cuprates by Myers, K.E., Face, D.W., Kountz, J., Nestlerode, J.P., Carter, C.F.

“…We report the growth of c-axis oriented, epitaxial thin films of (Tl,Pb)Sr/sub 2/CuO/sub 5/ on (100) oriented LaAlO/sub 3/ substrates by off-axis sputter…”
Get full text

Noise and dc characteristics of thin-film Bi-Sr-Ca-Cu-oxide dc SQUIDs by Face, D. W., Graybeal, J. M., Orlando, T. P., Rudman, D. A.

“…Highly oriented Bi-Sr-Ca-Cu-oxide thin films with Tc≥100 K and large (10–20 μm) grains were used to produce thin-film dc superconducting quantum interference…”
Get full text

Processing and yield of Y/sub 1/Ba/sub 2/Cu/sub 3/O/sub 7-x/ thin films and devices produced with a BaF/sub 2/ process by Laubacher, D.B., Face, D.W., Small, R.J., Wilker, C., Matthews, A.L., Raistrick, I., Garzon, F.H., Berry, J.G., Merchant, P., Amano, J., Taber, R.C.

“…High-quality films were produced by coevaporation and cosputtering of Y, Cu, and BaF/sub 2/ followed by an ex-situ anneal. The Y/sub 1/Ba/sub 2/Cu/sub 3/O/sub…”
Get full text

Femtosecond thermomodulation studies of low and high-T/sub c/ superconductors by Face, D.W., Brorson, S.D., Kazeroonian, A., Moodera, J.S., Cheng, T.K., Doll, G.L., Dresselhaus, M.S., Dresselhaus, G., Ippen, E.P., Venkatesan, T., Wu, X.D., Inam, A.

“…The authors report femtosecond pump-probe measurements of electronic energy relaxation in conventional metallic and high-T/sub c/ oxide superconductors. In…”
Get full text

High quality tantalum superconducting tunnel junctions for microwave mixing in the quantum limit by FACE, D. W, PROBER, D. E, MCGRATH, W. R, RICHARDS, P. L

“…We report on a novel step-defined process used to produce small area (1–6 μm2), high critical current density (102–104 A/cm2) superconducting tunnel junctions…”
Get full text

Preparation of superconducting thin films of bismuth strontium calcium copper oxides by reactive sputtering by FACE, D. W, NEAL, M. J, MATTHIESEN, M. M, KUCERA, J. T, CRAIN, J, GRAYBEAL, J. M, ORLANDO, T. P, RUDMAN, D. A

“…Superconducting thin films of Bi-Sr-Ca-Cu-oxides have been reproducibly prepared by reactive magnetically enhanced triode sputtering using three separate metal…”
Get full text

High T/sub c/ superconducting coplanar delay line with long delay and low insertion loss by Shen, Z.-Y., Pang, P.S.W., Holstein, W.L., Wilder, C., Dunn, S., Face, D.W., Laubacher, D.B.

“…Coplanar delay lines have been fabricated from TlBaCuCuO (2212) and YBaCuO…”
Get full text