Search Results - "Wikborg, E."

Tailoring the temperature coefficient of capacitance in ferroelectric varactors by Gevorgian, S., Petrov, P. K., Ivanov, Z., Wikborg, E.

“…Two BaxSr1−xO3, films with different contents of Ba (Ba0.25Sr0.75O3 and Ba0.75Sr0.5O3), separated by a MgO film, are used to fabricate planar varactors with…”
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SCENET roadmap for superconductor digital electronics by ter Brake, H.J.M., Buchholz, F.-Im, Burnell, G., Claeson, T., Crété, D., Febvre, P., Gerritsma, G.J., Hilgenkamp, H., Humphreys, R., Ivanov, Z., Jutzi, W., Khabipov, M.I., Mannhart, J., Meyer, H.-G., Niemeyer, J., Ravex, A., Rogalla, H., Russo, M., Satchell, J., Siegel, M., Töpfer, H., Uhlmann, F.H., Villégier, J.-C., Wikborg, E., Winkler, D., Zorin, A.B.

“…The roadmap gives an overview on status and future developments in Superconducting Digital Electronics (SDE). Key areas in SDE under focus are applications,…”
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RSFQ front-end for a software radio receiver by Wikborg, E.B., Semenov, V.K., Likharev, K.K.

“…We present results of a preliminary analysis of possible front-ends of a software defined radio base station receiver containing superconductor Rapid…”
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Lower order modes of YBCO/STO/YBCO circular disk resonators by Gevorgian, S., Carlsson, E., Linner, P., Kollberg, E., Vendik, O., Wikborg, E.

“…Lower order modes in a single crystal strontium titanate (STO) circular disk resonator are studied experimentally. Superconducting epitaxial YBCO films form…”
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HTS/ferroelectric devices for microwave applications by Gevorgian, S.S., Carlsson, E.F., Rudner, S., Helmersson, U., Kollberg, E.L., Wikborg, E., Vendik, O.G.

“…High Temperature Superconducting (HTS, e.g. YBCO) microwave devices based on bulk or thin film ferroelectrics (e.g. Strontium Titanate-STO) are studied…”
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YBaCuO disk resonator filters operating at high power by Aminov, B.A., Piei, H., Hein, M.A., Kaiser, T., Muller, G., Baumfalk, A., Chaloupka, H.J., Kolesov, S., Medelius, H., Wikborg, E.

“…We have developed and successfully operated a compact tunable one-pole filter at 2 GHz for transmitter combiners in mobile radio base stations. The concept is…”
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Novel design of rapid single flux quantum logic based on a single layer of a high- T c superconductor by Kaplunenko, V. K., Ivanov, Z. G., Stepantsov, E. A., Claeson, T., Holst, T., Sun, Z. J., Kromann, R., Shen, Y. Q., Vase, P., Freltoft, T., Wikborg, E.

“…We suggest a new design of rapid single flux quantum (RSFQ) logic circuits which is based on a single superconducting layer and does not require a…”
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Encoders and decimation filters for superconductor oversampling ADCs by Filippov, T.V., Pflyuk, S.V., Semenov, V.K., Wikborg, E.B.

“…Modulators of superconductor ADCs can operate at very high sampling rates, ranging from 20 GHz (today's technologies) to 400 GHz (prospective sub-micron…”
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DC field induced antiferroelectric phase transition in bulk, single crystal strontium titanate by Gevorgian, S., Eriksson, A., Petrov, P., Linner, P., Lövestam, G., Wikborg, E.

“…Dielectric hysteresis in bulk, single crystal SrTiO 3 (STO) with YBa 2 Cu 3 O 7 . x(YBCO) electrodes is studied experimentally at 77K. In contrast with…”
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New multi-flux-quantum logic family by Kaphmenko, V.K., Wikborg, E.

“…We report on a voltage-state logic family based on shunted Josephson junctions and on the Rapid Single Flux Quantum (RSFQ) concept. Storing information in a…”
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Electric field dependent microwave losses in KTaO3 single crystal with YBa2CU3O7-x electrodes by Carlsson, E., Wikborg, E., Gevorgian, S.

“…We have measured the voltage dependence of the resonant frequency and the microwave losses for parallel-plate resonators based on single crystals KTaO 3 , with…”
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RF characterization of Josephson flux-flow transistors: design, modeling, and on-wafer measurement by Zhang, Y.M., Carlsson, E., Winkler, D., Brorsson, G., Zirath, H., Wikborg, E.

“…Josephson flux-flow transistors based on 0-32/spl deg/ [001]-tilt YBa/sub 2/Cu/sub 3/O/sub 7/ bicrystal junctions have been fabricated with Au loops as the…”
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High-Q tunable YBCO disk resonator filters for transmitter combiners in radio base stations by Aminov, B.A., Baumfalk, A., Chaloupka, H.J., Hein, M., Kaiser, T., Kolesov, S., Piel, H., Medelius, H., Wikborg, E.

“…Results on the development of a tunable HTS resonator structure for transmitter combiners of radio base stations are reported. The design goal was the…”
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Collective Modes and Ground State Energy of the Semi-infinite Electron Gas by Wikborg, E, Inglesfield, J E

“…The RPA linear response theory as applied to the semi-infinite electron gas, in particular the infinite barrier model, is discussed in terms of the normal mode…”
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Political discourse versus sentimental romance: Ideology and genre in charlotte smith's Desmond (1792) by Wikborg, Eleanor

“…Charlotte Smith has been grouped by both her contemporaries and by modern critics as a radical novelist. There are many ways, however, in which Smith is far…”
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Tunable microwave devices based on bulk and thin film ferroelectrics by Gevorgian, Spartak, Carlsson, Erik, Wikborg, Erland, Kollberg, Erik

“…Electrically tunable microwave resonators and filters based on bulk single crystal SrTiO 3 and KTaO 3 with superconducting plates are presented and discussed…”
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Electric field dependent microwave losses in KTaO 3 single crystal with YBa 2 CU 3 O 7-x electrodes by Carlsson, E., Wikborg, E., Gevorgian, S.

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Electric field dependent microwave losses in KTaO sub(3) single crystal with YBa sub(2)Cu sub(3)O sub(7-x) electrodes by Carlsson, E, Wikborg, E, Gevorgian, S

“…We have measured the voltage dependence of the resonant frequency and the microwave losses for parallel-plate resonators based on single crystals KTaO sub(3)…”
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Voltage divider based on submicron slits in a high T c superconducting film and two bicrystal grain boundaries by Kaplunenko, V. K., Ivanov, Z. G., Stepantsov, E. A., Claeson, T., Wikborg, E.

“…Experiments on a model of rapid single flux quantum (RSFQ) flip-flop cell, based on high-Tc (HTS) Josephson junctions show that it can operate as a voltage…”
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Single flux quantum elements based on a single-layer of a high-T/sub c/ superconductor by Kaplunenko, V.K., Stepantsov, E.A., Yi, H.R., Claeson, T., Toepfer, H., Hildebrandt, G., Uhlmann, F.H., Wikborg, E.

“…We have designed, fabricated and successfully tested three SFQ elements: a toggle flip-flop, a SFQ voltage amplifier, and an RS-flip-flop. The design uses a…”
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