Search Results - "Gerritsma, G.J."

Sigma-delta A/D converter in HTS ramp edge technology by Sonnenberg, A.H., Oomen, I., Hilgenkamp, H., Gerritsma, G.J., Rogalla, H.

“…We have successfully fabricated and tested a high temperature superconducting sigma-delta A/D converter, The quantizer is a balanced comparator that has been…”
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The detection of defects in a niobium tri-layer process by Joseph, A.A., Heuvelmans, S., Gerritsma, G.J., Kerkhoff, H.G.

“…Niobium (Nb) LTS processes are emerging as the technology for future ultra high-speed systems especially in the digital domain. As the number of Josephson…”
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Y-Ba-Cu-O/Au/Nb ramp-type Josephson junctions by Smilde, H.J.H., Hilgenkamp, H., Gerritsma, G.J., Blank, D.H.A., Rogalla, H.

“…Ramp-type junctions connecting the d-wave superconductor YBa/sub 2/Cu/sub 3/O/sub 7-/spl delta// and the s-wave superconductor niobium are fabricated using a…”
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Coherent vortex motion in superconducting nanobridges based on YBaCuO thin films by Pedyash, M.V., Gerritsma, G.J., Blank, D.M.A., Rogalla, H.

“…Submicron bridges in superconducting YBaCuO thin films with typical linear dimensions of about 100 nm have been fabricated. Experimental current-voltage…”
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Design and fabrication of a HTC quasi-one junction SQUID based comparator for a 4-bit superconductive flash A/D converter by Reuvekamp, E.M.C.M., Booi, P.A.A., Verhoeven, M.A.J., Gerritsma, G.J., Rogalla, H.

“…The design of a quasi-one-junction superconducting quantum interference device (SQUID)-based comparator for an all HTC superconductive 4-b flash…”
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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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Realization and properties of ramp-type YBa 2Cu 3O 7− δ/Au/Nb junctions by Smilde, H.J.H., Hilgenkamp, H., Gerritsma, G.J., Blank, D.H.A., Rogalla, H.

“…All-thin-film ramp type Josephson junctions between YBa 2Cu 3O 7− δ and Nb have been fabricated. This procedure allows connections between high- T c and low- T…”
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The direct growth of SrTiO 3 (100) layers on silicon (100) substrates; application as a buffer layer for the growth of DyBa 2Cu 3O 7− δ thin films by Méchin, L, Gerritsma, G.J, Garcia Lopez, J

“…Highly (100)-oriented SrTiO 3 thin films were sputtered on Si (100) substrates. After the optimization of the deposition conditions, the fraction of…”
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AFM studies of surface morphologies of sputtered SrTiO 3 films and annealed MgO substrates by Meng, Q., Moerman, R., Sonnenberg, A.H., Gerritsma, G.J.

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SrTiO/sub 3/ buffer layers on MgO and Si substrates for high-T/sub c/ technology by Mechin, L., Meng, Q., Sonnenberg, A.H., Gerritsma, G.J.

“…SrTiO/sub 3/ (STO) thin films have been sputtered on MgO [100] and on Si [100] substrates. On MgO the [100]-oriented STO buffer layers enabled the fabrication…”
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The direct growth of SrTiO3 (100) layers on silicon (100) substrates; application as a buffer layer for the growth of DyBa2Cu3O7−δ thin films by Méchin, L, Gerritsma, G.J, Garcia Lopez, J

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Realization and properties of ramp-type YBa2Cu3O7−δ/Au/Nb junctions by Smilde, H.J.H., Hilgenkamp, H., Gerritsma, G.J., Blank, D.H.A., Rogalla, H.

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The propagation characteristics of wave-guiding structures with very thin superconductors; application to coplanar waveguide YBa/sub 2/Cu/sub 3/O/sub 7-x/ resonators by Klopman, B.B.G., Gerritsma, G.J., Rogalla, H.

“…The propagation characteristics of waveguiding structures with superconductors which are thin compared to the magnetic penetration depth are analyzed. The…”
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The propagation characteristics of wave-guiding structures with very thin superconductors; application to coplanar waveguide YBa[sub 2]Cu[sub 3]O[sub 7[minus]x] resonators by Klopman, B.B.G., Gerritsma, G.J., Rogalla, H.

“…The authors have analyzed the propagation characteristics of wave-guiding structures with superconductors which are thin compared to the magnetic penetration…”
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A high-T/sub c/ 4-bit periodic threshold analog-to-digital converter by Gerritsma, G.J., Verhoeven, A.J., Wiegerink, R.J., Rogalla, H.

“…Using ramp-type Josephson junctions a 4-bit periodic threshold ADC has been designed, fabricated and tested. Practical design constraints will be discussed in…”
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Balanced comparator fabricated in ramp edge technology by Sonnenberg, A.H., Gerritsma, G.J., Rogalla, H.

“…One of the basic elements of RSFQ circuits is the balanced comparator. We have fabricated and tested a balanced comparator in a three HTS layer technology. The…”
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Introduction of ramp-type technology in HTS quasiparticle injection devices by Moerman, R., Veldhuis, D., Gerritsma, G.J., Rogalla, H.

“…Injection of quasiparticles with an energy larger than the superconducting gap into a superconducting strip results in breaking of Cooper-pairs and hence the…”
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Ramp type HTS Josephson junctions with PrBaCuGaO barriers by Verhoeven, M.A.J., Gerritsma, G.J., Rogalla, H., Golubov, A.A.

“…Ramp type Josephson junctions have been fabricated using DyBa/sub 2/Cu/sub 3/O/sub 7-/spl delta// as electrode material and PrBa/sub 2/Cu/sub 3-x/Ga/sub…”
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Transistor performance of high-T/sub c/ three terminal devices based on carrier concentration modulation by Joosse, K., Boguslavskij, Y.M., Vargas, L., Gerritsma, G.J., Rogalla, H.

“…Electric field effect devices and quasiparticle injection effect devices are good candidates for the realization of three terminal devices from high-T/sub c/…”
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YBa/sub 2/Cu/sub 3/O/sub 7/(-/spl delta/) a-axis films and planar junctions by Wichern, R.G., Reuvekamp, E.M.C.M., Gerritsma, G.J., Rogalla, H.

“…In order to prepare planar junctions, multilayers were sputtered, using YBa/sub 2/Cu/sub 3/O/sub 7-/spl delta// as superconductor and PrBa/sub 2/Cu/sub 3/O/sub…”
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