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XPS investigations of MOCVD tin oxide thin layers on Si nanowires array
Tin oxide thin layers were grown by metal-organic chemical vapor deposition technique on the top-down nanostructured silicon nanowires array obtained by metal-assisted wet-chemical technique from single...
PublicationsThiosulfate- and hydrogen-driven autotrophic denitrification by a microbial consortium enriched from groundwater of an oligotrophic limestone aquifer
Despite its potentially high relevance for nitrate removal in freshwater environments limited in organic carbon, chemolithoautotrophic denitrification has rarely been studied in oligotrophic groundwater....
PublicationsElectroforming-free resistive switching in polycrystalline YMnO3 thin films
Polycrystalline YMnO3 thin films sandwiched between an un-patterned bottom electrode (Pt or Pt/Ti) and a circular top electrode (Au or Al) reveal an electroforming-free, unipolar resistive switching. We...
PublicationsPlanar multijunction thermal converters with increased sensitivity operated in hermetically sealed housings filled with noble gas
The sensitivity of planar multijunction thermal converters (PMJTCs) was significantly increased by filling the housing with noble gases, preferably xenon or krypton. The performance was observed for almost...
PublicationsRelated carbapenemase-producing Klebsiella isolates detected in both a hospital and associated aquatic environment in Sweden
Carbapenem antibiotics are one of the last-resort agents against multidrug-resistant (MDR) bacteria. The occurrence of carbapenemase-producing Enterobacteriaceae (CPE) in wastewater and aquatic environments...
PublicationsBoosting light collecting efficiency of optical fibers via metallic nano-structures
Optical fibers represent one of the most important photonic components with applications in numerous fields while their performance with respect to light collection at large incident angle is strongly...
PublicationsField-Driven Hopping Transport of Oxygen Vacancies in Memristive Oxide Switches with Interface-Mediated Resistive Switching
We investigate the hopping transport of positively charged mobile oxygen vacancies V+o in electroforming-free bipolar memristive BiFeO3 switches by conducting impedance spectroscopy and quasistatic state-test...
PublicationsPowering an autonomous sensor by silicon nanowire solar cells – the SiNAPS mote
In order to power miniaturized sensor modules, a miniaturized solar module was developed within the SiNAPS project. The silicon nanowire based solar cell shows an OC voltage of 517 mV. We also present...
PublicationsA Time-Resolved Numerical Study of the Vapor−Liquid−Solid Growth Kinetics Describing the Initial Nucleation Phase as well as Pulsed Deposition Processes
Today, the Vapor-Liquid-Solid growth mechanism is a common process for the bottom-up growth of nanowires (NWs). Nevertheless, most of the literature only concerns the steady-state growth which applies...
PublicationsDispersion analysis of the orthorhombic peptide single crystal Z-(Aib)3-L-Ala-OtBu
We present a dispersion analysisof the orthorhombic peptide single crystal Z-Aib-Aib-AibL-Ala-OtBu (N-benzyloxycarbonyl-α-aminoisobutyryl-α-aminoisobutyryl-L-alanine tertbutyl ester, C27H42N4O7), where...
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