Search Results - "DROSS, F"
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Stress-induced large-area lift-off of crystalline Si films
Published in Applied physics. A, Materials science & processing (01-10-2007)“…A new implantation-free lift-off process is presented. We deposit a layer with mismatched thermal expansion coefficient with respect to the substrate. Upon…”
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Three novel ways of making thin-film crystalline-silicon layers on glass for solar cell applications
Published in Solar energy materials and solar cells (01-05-2011)“…Monolithic solar modules made from thin-film crystalline-silicon layers of high quality on glass substrates could lower the price of photovoltaic electricity…”
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Journal Article Conference Proceeding -
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Increase of the SBS threshold in a short highly nonlinear fiber by applying a temperature distribution
Published in Journal of lightwave technology (01-11-2001)“…We evaluate numerically and experimentally the stimulated Brillouin scattering (SBS) threshold increase for a short, highly nonlinear GeO/sub 2/-doped fiber by…”
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Interface nature of oxidized single-crystal arrays of etched Si nanowires on (100)Si
Published in Applied physics letters (20-02-2012)“…Low temperature electron spin resonance studies have been carried out on single crystalline arrays of sub-10 nm Si nanowires (NWs) manufactured on (100)Si by…”
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Discussion on RIN improvement using a standard coupler
Published in IEEE photonics technology letters (01-06-2005)“…It is possible to increase the signal-to-noise ratio (SNR) of radio-frequency optical links by a factor of N by combining the light of N individual lasers. The…”
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Single-transverse-mode InGaAsP-InP edge-emitting bipolar cascade laser
Published in IEEE journal of quantum electronics (01-11-2005)“…In order to improve the radio frequency (RF) link gain of opto-RF links, we have designed, fabricated, and characterized a bipolar cascade laser (BCL). It…”
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Ion implantation as a potential alternative for the formation of Front Surface Fields for IBC silicon solar cells
Published in 2010 35th IEEE Photovoltaic Specialists Conference (01-06-2010)“…Interdigitated back contacted cells (IBC) constitute an excellent option for the achievement of high-efficiency on silicon material. The effective…”
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Conference Proceeding -
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Optimization of large band-gap barriers for reducing leakage in bipolar cascade lasers
Published in IEEE journal of quantum electronics (01-08-2004)“…In order to study the characteristics of bipolar cascade lasers, we have developed a fully consistent transport model compatible with Esaki tunnel junctions…”
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Improved bipolar cascade laser characteristics by optimization of InP electron stopper layers
Published in 16th IPRM. 2004 International Conference on Indium Phosphide and Related Materials, 2004 (2004)“…In order to design InP-based edge-emitting bipolar cascade lasers, we have developed a fully consistent transport model compatible with tunnel highly-doped…”
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Conference Proceeding -
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Opportunities in nanometer sized Si wires for PV applications
Published in Progress in materials science (01-10-2013)“…Quantum-confined silicon material has been a very active field of research in the years 1990-2000 with the rapid development of opto-electronics. The main…”
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Front side plasmonic effect on thin silicon epitaxial solar cells
Published in Solar energy materials and solar cells (01-09-2012)“…We study the effect of metal nanoparticles, showing localised plasmonic resonances, on the spectrally resolved efficiency of thin film crystalline silicon…”
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Development of a-Si:H/c-Si heterojunctions for the i super(2)-module concept: Low-temperature passivation and emitter formation on wafers bonded to glass
Published in Solar energy materials and solar cells (01-06-2013)“…With crystalline silicon technology around in commercial products for over 30 years and still dominating the PV market for the foreseeable future, it is…”
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Die Deutsche Gesellschaft für Gynäkologie im Nationalsozialismus – ein Forschungsbericht
Published in Geburtshilfe und Frauenheilkunde (06-03-2017)“…Abstract only…”
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DGGG im Nationalsozialismus. Mühsame Spurensuche in fremden Archiven
Published in Geburtshilfe und Frauenheilkunde (25-09-2014)Get full text
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Design and fabrication of photonic crystals in epitaxial free silicon for ultrathin solar cells
Published in 2011 Asia Communications and Photonics Conference and Exhibition (ACP) (01-01-2011)“…In this paper, we present the integration of an absorbing photonic crystal within a thin film photovoltaic solar cell. Optical simulations performed on a…”
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Conference Proceeding -
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Ein Anfang ist gemacht! 100 Jahre BGGF: Bilanz eines für die Frauenheilkunde bisher einmaligen Forschungsprojektes
Published in Geburtshilfe und Frauenheilkunde (11-10-2013)Get full text
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18% Efficiency IBC Cell With Rear-Surface Processed on Quartz
Published in IEEE journal of photovoltaics (01-04-2013)“…In order to relax the mechanical constraints of processing thin crystalline Si wafers into highly efficient solar cells, we propose a process sequence, where a…”
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High-quality epitaxial foils, obtained by a layer transfer process, for integration in back-contacted solar cells processed on glass
Published in 2012 38th IEEE Photovoltaic Specialists Conference (01-06-2012)“…Foil creation by lifting off a thin layer of a high quality silicon substrate is one of the promising substitutes for wafer sawing to create substrates thinner…”
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Conference Proceeding