Search Results - "LÖSCH, R."

A novel approach to the in situ measurement of oxygen concentrations in the sapwood of woody plants by Gansert, D., Burgdorf, M., Lösch, R.

“…A novel technique for the physico‐chemical analysis of xylem sap by underwater access to the sapwood of trees is described. In situ measurements of dissolved…”
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35 nm metamorphic HEMT MMIC technology by Leuther, A., Tessmann, A., Massler, H., Losch, R., Schlechtweg, M., Mikulla, M., Ambacher, O.

“…A metamorphic high electron mobility transistor (mHEMT) technology featuring 35 nm gate length has been developed. The optimized MBE grown layer sequence has a…”
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Metamorphic HEMT technology for low-noise applications by Leuther, A., Tessmann, A., Kallfass, I., Losch, R., Seelmann-Eggebert, M., Wadefalk, N., Schafer, F., Gallego Puyol, J.D., Schlechtweg, M., Mikulla, M., Ambacher, O.

“…Different noise sources in HEMTs are discussed, and state-of-the-art low-noise amplifiers based on the Fraunhofer IAF 100 nm and 50 nm gate length metamorphic…”
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A 300 GHz mHEMT amplifier module by Tessmann, A., Leuther, A., Hurm, V., Massler, H., Zink, M., Kuri, M., Riessle, M., Losch, R., Schlechtweg, M., Ambacher, O.

“…In this paper, we present the development of an H-band (220 - 325 GHz) submillimeter-wave monolithic integrated circuit (S-MMIC) amplifier module for use in…”
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Solid source MBE growth on InP-based DHBTs for high-speed data communication by Aidam, R., Lösch, R., Driad, R., Schneider, K., Makon, R.

“…We report on the development of a double heterojunction bipolar transistor (DHBT) technology on InP substrates for high-speed data communication. The…”
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Crystallographic orientation effects on the performance of InP-based heterojunction bipolar transistors by Driad, R., Lösch, R., Benkhelifa, F., Kuri, M., Rosenzweig, J.

“…We report the crystallographic orientation effects in InP-based heterojunction bipolar transistors (HBTs). The DC and RF characteristics of DHBTs fabricated on…”
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InP-based DHBT technology for high-speed mixed signal and digital applications by Driad, R., Makon, R.E., Hurm, V., Benkhelifa, F., Losch, R., Rosenzweig, J., Schlechtweg, M.

“…We report on an InP DHBT-based technology featuring current gains of ~ 90, breakdown voltages of Gt 4.5 V and cut-off frequency (f T ) values of Gt 300 GHz…”
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InP DHBT-based ICs for 100 Gbit/s data transmission by Driad, R., Makon, R.E., Hurm, V., Schneider, K., Benkhelifa, F., Losch, R., Rosenzweig, J.

“…This paper reports state-of-the-art mixed signal ICs, including a distributed amplifier and a multiplexer-core intended for use in 100 Gbit/s optical…”
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Multiwafer solid source phosphorus MBE on InP for DHBTs and aluminum free lasers by Aidam, R., Losch, R., Walther, M., Driad, R., Kallenbach, S.

“…InP-based double heterojunction bipolar transistors (DHBTs) and aluminum free 14xx nm high power lasers were grown in a multiwafer solid source phosphorus…”
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Salt-Templated Platinum-Copper Porous Macrobeams for Ethanol Oxidation by F. John Burpo, Enoch A. Nagelli, Anchor R. Losch, Jack K. Bui, Gregory T. Forcherio, David R. Baker, Joshua P. McClure, Stephen F. Bartolucci, Deryn D. Chu

“…Platinum nanomaterials provide an excellent catalytic activity for diverse applications and given its high cost, platinum alloys and bi-metallic nanomaterials…”
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Mcchanism of flood tolerance in reed, Phragmites australis (Cav.) Trin. ex Steudel by GRIES, C., KAPPEN, L., LÖSCH, R.

“…SUMMARY Important factors, such as porosity, respirational O2 consumption, O2 release of the roots and iron oxidation on the root surface, which are involved…”
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Use of the root contact concept, an empirical leaf conductance model and pressure-volume curves in simulating crop water relations by Jensen, C.R. (Royal Veterinary and Agricultural Univ., Frederiksberg, Copenhagen (Denmark). Dept. of Agricultural Sciences), Svendsen, H, Andersen, M.N, Loesch, R

“…A simulation model "DanStress" was developed for studying the integrated effects of soil, crop and climatic conditions on water relations and water use of…”
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The gas exchange of Carex species from eutrophic wetlands and its dependence on microclimatic and soil wetness conditions by Busch, J., Lösch, R.

“…Sedges of the genus Carex (Cyperaceae) are often the dominant species in wetland vegetation in the temperate zones nearly all over the world. Knowledge of gas…”
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Nuclear spin relaxation in AlGaAs/GaAs heterostructures observed via optically detected magnetic resonance (ODMR) experiments by SCHREINER, M, PASCHER, H, DENNINGER, G, STUDENIKIN, S. A, WEIMANN, G, LÖSCH, R

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Investigation of the critical layer thickness in elastically strained InGaAs/GaAlAs quantum wells by photoluminescence and transmission electron microscopy by REITHMAIER, J.-P, CERVA, H, LÖSCH, R

“…We have studied strained InGaAs quantum wells with GaAlAs barriers, grown by molecular beam epitaxy, varying In content and well thickness. Photoluminescence…”
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Vertical carrier transport in InP-based quantum well laser structures by Marcinkevičius, S., Fröjdh, K., Hillmer, H., Lösch, R., Olin, U.

“…Carrier transport across the quantum wells has been measured for a number of InAlGaAs/InP and InGaAsP/InP quantum well laser structures by means of…”
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Stem water potential and leaf conductance: A comparison of sorbus aucuparia and Sambucus nigra by Vogt, U.K., Losch, R.

“…Sorbus aucuparia is a pioneer wood which can naturally be found on extreme habitats, e.g. rocky slopes and mountain forests. Sambucus nigra is a species of…”
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Photoexcited carrier dynamics in InAlGaAs/InP quantum well laser structures by Marcinkevičius, S., Hillmer, H., Lösch, R., Olin, U.

“…Experimental investigations of carrier transport and capture into quantum wells are performed for InAlGaAs/InP laser structures. Time-resolved…”
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Xylem sap flow and drought stress of Fraxinus excelsior saplings by Stohr, A., Losch, R.

“…We report on diurnal and seasonal variations in sap flow rate and stem water potential of Fraxinus excelsior L. saplings growing at the edge of a…”
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Influence of exciton localization on recombination line shapes : InxGa1-xAs/GaAs quantum wells as a model by SCHNABEL, R. F, ZIMMERMANN, R, BIMBERG, D, NICKEL, H, LÖSCH, R, SCHLAPP, W

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