Search Results - "Losch, R"

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  1. 1

    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

    Published in Catalysts (01-08-2019)
    “…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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    Journal Article
  2. 2

    Xylem sap flow and drought stress of Fraxinus excelsior saplings by Stohr, A., Losch, R.

    Published in Tree physiology (01-02-2004)
    “…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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    Journal Article
  3. 3

    14xx-nm high brightness tapered diode lasers grown by solid-source MBE by Kallenbach, S., Aidam, R., Losch, R., Kaufel, G., Kelemen, M.T., Mikulla, M., Weimann, G.

    Published in IEEE photonics technology letters (01-03-2006)
    “…We demonstrate a 1470-nm InGaAsP high-power tapered diode laser grown by all solid-source molecular beam epitaxy. Devices compare well to metal-organic vapor…”
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    Journal Article
  4. 4

    High-gain submillimeter-wave mHEMT amplifier MMICs by Tessmann, A, Leuther, A, Massler, H, Hurm, V, Kuri, M, Zink, M, Riessle, M, Losch, R

    “…A compact H-band (220-325 GHz) submillimeter-wave monolithic integrated circuit (S-MMIC) amplifier has been developed, based on a grounded coplanar waveguide…”
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    Conference Proceeding
  5. 5

    Mechanism of Flood Tolerance in Reed, Phragmites australis (Cav.) Trin. ex Steudel by Gries, C., Kappen, L., Losch, R.

    Published in The New phytologist (01-04-1990)
    “…Important factors, such as porosity, respirational O2consumption, O2release of the roots and iron oxidation on the root surface, which are involved in the…”
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    Journal Article
  6. 6

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

    Published in Plant, cell and environment (01-10-2001)
    “…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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    Journal Article
  7. 7

    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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    Conference Proceeding
  8. 8

    10-Gb/s standard fiber transmission using directly modulated 1.55-μm quantum-well DFB lasers by Mohrdiek, S., Burkhard, H., Steinhagen, F., Hillmer, H., Losch, R., Schlapp, W., Gobel, R.

    Published in IEEE photonics technology letters (01-11-1995)
    “…10-Gb/s long-haul transmission on standard single-mode fibers at 1.55 μm with intensity modulated, low-chirp MQW DFB lasers is investigated. Successful…”
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    Journal Article
  9. 9

    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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    Conference Proceeding
  10. 10

    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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    Conference Proceeding
  11. 11

    Solid source MBE growth on InP-based DHBTs for high-speed data communication by Aidam, R., Lösch, R., Driad, R., Schneider, K., Makon, R.

    Published in Journal of crystal growth (01-04-2007)
    “…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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    Journal Article Conference Proceeding
  12. 12

    Characterization of high-quality molecular beam epitaxial grown InxAlzGa1−x−zAs/InyAluGa1−u−yAs/InP heterostructures by Hillmer, H., Lösch, R., Schlapp, W., Pöcker, A.

    Published in Journal of crystal growth (01-01-1995)
    “…We focus on molecular beam epitaxy (MBE) growth and characterization of InAlGaAsInP heterostructure layers by photoluminescence (PL) and X-ray diffraction…”
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    Journal Article
  13. 13

    Crystallographic orientation effects on the performance of InP-based heterojunction bipolar transistors by Driad, R., Lösch, R., Benkhelifa, F., Kuri, M., Rosenzweig, J.

    Published in Solid-state electronics (01-11-2010)
    “…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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    Journal Article
  14. 14

    Drastic reduction of gate leakage in InAlAs/InGaAs HEMT's using a pseudomorphic InAlAs hole barrier layer by Heedt, C., Buchali, F., Prost, W., Brockerhoff, W., Fritzsche, D., Nickel, H., Losch, R., Schlapp, W., Tegude, F.-J.

    Published in IEEE transactions on electron devices (01-10-1994)
    “…Impact ionization in the channel of InAlAs/InGaAs HEMT's was shown to be a reason for excess gate leakage current. Hot electrons in the high field region of…”
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    Journal Article
  15. 15

    Diurnal courses and factorial dependencies of leaf conductance and transpiration of differently potassium fertilized and watered field grown barley plants by LÖSCH, R., JENSEN, C.R., ANDERSEN, M.N.

    Published in Plant and soil (01-02-1992)
    “…During the grain filling period we followed diurnal courses in leaf water potential (ψ₁), leaf osmotic potential (ψπ), transpiration (E), leaf conductance to…”
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    Journal Article
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    Design and realization of InGaAs/GaAs strained layer DFB quantum well lasers by Hansmann, S., Burkhard, H., Dahlhof, K., Schlapp, W., Losch, R., Nickel, H., Hillmer, H.

    Published in Journal of lightwave technology (01-05-1992)
    “…Optical waveguiding in an InGaAs/GaAs strained-layer distributed feedback (DFB) quantum well laser is investigated using the one-dimensional shooting method…”
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    Journal Article
  18. 18

    In Situ Investigation of Aluminum Gallium Arsenide/Gallium Arsenide Multilayer Structures under Inert and Reactive Media by Atomic Force Microscopy by Prohaska, Thomas, Friedbacher, Gernot, Grasserbauer, Manfred, Nickel, Heinrich, Loesch, Rainer, Schlapp, Winfried

    Published in Analytical chemistry (Washington) (01-05-1995)
    “…The analytical benefits of in situ preparation and imaging under inert and reactive media using an AlGaAs/GaAs superlattice structure as a well-defined model…”
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    Journal Article
  19. 19

    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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    Conference Proceeding
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