Auflistung nach Titel

Sortiert nach: Sortierung: Ergebnisse:

  • Tungsten Nanoparticles Accelerate Polysulfides Conversion: A Viable Route toward Stable Room-Temperature Sodium–Sulfur Batteries 
    Liu, Yuping; Ma, Shuangying; Rosebrock, Marina; Rusch, Pascal; Barnscheidt, Yvo; Wu, Chuanqiang; Nan, Pengfei; Bettels, Frederik; Lin, Zhihua; Li, Taoran; Ge, Binghui; Bigall, Nadja C.; Pfnür, Herbert; Ding, Fei; Zhang, Chaofeng; Zhang, Lin (Weinheim : Wiley-VCH, 2022-02-08)
    Room-temperature sodium–sulfur (RT Na–S) batteries are arousing great interest in recent years. Their practical applications, however, are hindered by several intrinsic problems, such as the sluggish kinetic, shuttle effect, ...
  • Tuning emission energy and fine structure splitting in quantum dots emitting in the telecom O-band 
    Hoefer, B.; Olbrich, F.; Kettler, J.; Paul, M.; Hoeschele, J.; Jetter, M.; Portalupi, S.L.; Ding, F.; Michler, P.; Schmidt, O.G. (New York, NY : American Inst. of Physics, 2019)
    We report on optical investigations of MOVPE-grown InGaAs/GaAs quantum dots emitting at the telecom O-band that were integrated ontouniaxial piezoelectric actuators. This promising technique, which does not degrade the ...
  • Tuning excitability by alloying: the Rh(111)/Ni/H2 + O2 system 
    Smolinsky, T.; Homann, M.; Imbihl, R. (Cambridge : Royal Society of Chemistry, 2016)
    The dynamic behavior of the O2 + H2 reaction on a Rh(111) surface alloyed with Ni has been studied in the 10(-5) mbar range using photoemission electron microscopy (PEEM) as a spatial resolving method. For T = 773 K and ...
  • Tuning of one-dimensional plasmons by Ag-Doping in Ag-√3-ordered atomic wires 
    Krieg, U.; Zhang, Yu; Tegenkamp, Christoph; Pfnür, Herbert (Bristol : IOP Publishing Ltd, 2014)
    We generated arrays of silver wires with a height of 1 atom and an average width of 11 atoms on the Si(557) surface via self-assembly with local √3 x √3 order, and investigated the 1D plasmon formation in them using a ...
  • Tuning the conductivity along atomic chains by selective chemisorption 
    Edler, Frederik; Miccoli, Ilio; Stöckmann, Jan Philipp; Pfnür, Herbert; Braun, C.; Neufeld, S.; Sanna, S.; Schmidt, W.G.; Tegenkamp, Christoph (College Park, MD : American Physical Society, 2017)
    Adsorption of Au on vicinal Si(111) surfaces results in growth of long-range ordered metallic quantum wires. In this paper, we utilized site-specific and selective adsorption of oxygen to modify chemically the transport ...
  • Tuning the localized surface plasmon resonance in copper chalcogenide nanoparticles 
    Wolf, Andreas (Hannover : Gottfried Wilhelm Leibniz Universität Hannover, 2016)
    [no abstract]
  • Tuning the LSPR in copper chalcogenide nanoparticles by cation intercalation, cation exchange and metal growth 
    Wolf, Andreas; Kodanek, Torben; Dorfs, Dirk (Cambridge : Royal Society of Chemistry, 2015-10-29)
    Localized surface plasmon resonances (LSPRs) of degenerately doped copper chalcogenide nanoparticles (NPs) (Cu2−xSe berzelianite and Cu1.1S covellite) have been modified applying different methods. The comparison of the ...
  • Tuning the onset voltage of resonant tunneling through InAs quantum dots by growth parameters 
    Hapke-Wurst, I.; Zeitler, U.; Keyser, U.F.; Haug, Rolf J.; Pierz, Klaus; Ma, Z. (College Park, MD : American Institute of Physics, 2003)
    A study was conducted on the onset voltage of resonant tunneling through indium arsenide (InAs) quantum dots by growth parameters. It was found that the onset voltage of the first step decreased from 200 mV to 0 with ...
  • Tuning the optical properties of the metal-organic framework UiO-66 via ligand functionalization 
    Treger, Marvin; Hannebauer, Adrian; Schaate, Andreas; Budde, Jan L.; Behrens, Peter; Schneider, Andreas M. (Cambridge : RSC Publ., 2023)
    Metal-organic frameworks (MOFs) are a promising class of materials for optical applications, especially due to their modular design which allows fine-tuning of the relevant properties. The present theoretical study examines ...
  • Tuning the Phase Composition of Metal-Organic Framework Membranes for Helium Separation through Incorporation of Fullerenes 
    Han, Jiuli; Wu, Haoyu; Fan, Hongwei; Ding, Li; Hai, Guangtong; Caro, Jürgen; Wang, Haihui (Washington, DC : ACS Publications, 2023)
    Metal-organic framework (MOF) membranes have attracted significant research interest in gas separation, but efficient helium (He) separation remains a challenge due to the weak polarizability of He and the intrinsic pore ...
  • Tuning the Thermoelectric Performance of CaMnO3-Based Ceramics by Controlled Exsolution and Microstructuring 
    Kanas, Nikola; Williamson, Benjamin A. D.; Steinbach, Frank; Hinterding, Richard; Einarsrud, Mari-Ann; Selbach, Sverre M.; Feldhoff, Armin; Wiik, Kjell (Washington, DC : ACS Publications, 2022)
    The thermoelectric properties of CaMnO3-δ/CaMn2O4 composites were tuned via microstructuring and compositional adjustment. Single-phase rock-salt-structured CaO-MnO materials with Ca:Mn ratios larger than unity were produced ...
  • Tunneling resonances in quantum dots: Coulomb interaction modifies the width 
    Könemann, Jens; Kubala, Björn; König, Jürgen; Haug, Rolf J. (College Park, MD : American Physical Society, 2006)
    Single-electron tunneling through a zero-dimensional state in an asymmetric double-barrier resonant-tunneling structure is studied. The broadening of steps in the I-V characteristics is found to strongly depend on the ...
  • Turbine–Diffuser Interaction 
    Mimic, Dajan (Hannover : Institutionelles Repositorium der Leibniz Universität Hannover, 2021)
    Diffusers increase the power output and cycle efficiency of gas turbines by reducing the back pressure of the turbine, thus, increasing the work extracted from the fluid by the turbine. They are, however, challenging to ...
  • Turbulent Heat Exchange Over Polar Leads Revisited: A Large Eddy Simulation Study 
    Gryschka, M.; Gryanik, V.M.; Lüpkes, C.; Mostafa, Z.; Sühring, M.; Witha, B.; Raasch, S. (Hoboken, NJ : Wiley, 2023)
    Sea ice leads play an important role in energy exchange between the ocean and atmosphere in polar regions, and therefore must be considered in weather and climate models. As sea ice leads are not explicitly resolved in ...
  • Turbulent transport in the Gray Zone: A large-eddy model intercomparison study of the CONSTRAIN cold air outbreak case. 
    de Roode, Stephan R.; Frederikse, Thomas; Siebesma, A. Pier; Ackerman, Andrew S.; Chylik, Jan; Field, Paul R.; Fricke, Jens; Gryschka, Micha; Hill, Adrian; Honnert, Rachel; Krueger, Steven K.; Lac, Christine; Lesage, Andrew T.; Tomassini, Lorenzo (Washington, DC : American Geophysical Union (AGU), 2019)
    To quantify the turbulent transport at gray zone length scales between 1 and 10 km, the Lagrangian evolution of the CONSTRAIN cold air outbreak case was simulated with seven large eddy models. The case is characterized by ...
  • Turning the trolley with reflective equilibrium 
    Rechnitzer, Tanja (Dordrecht [u.a.] : Springer Science+Business Media, 2022)
    Reflective equilibrium (RE)—the idea that we have to justify our judgments and principles through a process of mutual adjustment—is taken to be a central method in philosophy. Nonetheless, conceptions of RE often stay ...
  • Turtle Economic Value: The non-use value of marine turtles in the Asia-Pacific region 
    Brander, Luke; Eppink, Florian; Hof, Christine Madden; Bishop, Joshua; Riskas, Kimberly; Goñi, Victoria Guisado; Teh, Lydia; Teh, Louise (Amsterdam [u.a.] : Elsevier Science, 2024)
    Marine turtle species in the Asia-Pacific region face loss of habitat, population decline and serious risk of extinction. Understanding the associated loss in human welfare can motivate conservation finance, policy reforms ...
  • Twelve Rational curves on Enriques surfaces 
    Rams, Sławomir; Schütt, Matthias (New York, NY [u.a.] : Springer, 2021)
    Given d∈ N, we prove that any polarized Enriques surface (over any field k of characteristic p≠ 2 or with a smooth K3 cover) of degree greater than 12 d2 contains at most 12 rational curves of degree at most d. For d> 2 , ...
  • Twin-Arginine translocation-Arresting protein regions contact TatA and TatB 
    Taubert, Johannes; Brüser, Thomas (Berlin : De Gruyter, 2014)
    Tat systems translocate folded proteins across biological membranes of prokaryotes and plant plastids. TatBC complexes recognize N-Terminal Tat signal peptides that contain a sequence motif with two conserved arginines ...
  • Twin-lattice atom interferometry 
    Gebbe, Martina; Siemß, Jan-Niclas; Gersemann, Matthias; Müntinga, Hauke; Herrmann, Sven; Lämmerzahl, Claus; Ahlers, Holger; Gaaloul, Naceur; Schubert, Christian; Hammerer, Klemens; Abend, Sven; Rasel, Ernst M. ([London] : Nature Publishing Group UK, 2021)
    Inertial sensors based on cold atoms have great potential for navigation, geodesy, or fundamental physics. Similar to the Sagnac effect, their sensitivity increases with the space-time area enclosed by the interferometer. ...