Browsing by Subject "Nanotechnology"

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  • Rogge, M.C.; Fühner, C.; Keyser, U.F.; Haug, Rolf J.; Bichler, M.; Abstreiter, G.; Wegscheider, W. (College Park, MD : American Institute of Physics, 2003)
    A study was performed on combined electron-beam lithography and atomic force microscopy used for the fabrication of variable-coupling quantum dots. The conventional electron-beam lithography was combined with direct ...
  • Li, Qingfeng; Grojo, David; Alloncle, Anne-Patricia; Chichkov, Boris; Delaporte, Philippe (Berlin : De Gruyter, 2018)
    Laser direct writing is a well-established ablation technology for high-resolution patterning of surfaces, and since the development of additive manufacturing, laser processes have also appeared very attractive for the ...
  • Raza, Waseem; Faisal, Syed Mohammad; Owais, Mohammad; Bahnemann, Detlef W.; Muneer, M. (Cambridge : Royal Society of Chemistry, 2016)
    The degradation of organic pollutants in the aqueous medium using semiconductor photocatalysts has become an attractive method for detoxification of water. ZnO is an efficient photocatalyst with few disadvantages such as: ...
  • Ostermann, Rainer; Cravillon, Janosch; Weidmann, Christoph; Wiebcke, Michael; Smarsly, Bernd M. (Cambridge : Royal Society of Chemistry, 2011)
    A hierarchical system of highly porous nanofibers has been prepared by electrospinning MOF (metal-organic framework) nanoparticles with suitable carrier polymers. Nitrogen adsorption proved the MOF nanoparticles to be fully ...
  • Preisner, Thomas; Greiff, Michael; Bala, Uzzal Binit; Mathis, Wolfgang (Bingley : Emerald Group Publishing Ltd., 2009)
    Purpose - The purpose of this paper is to introduce a method which allows the calculation of the interactions of tip and sample of a magnetic force microscope as a first step to increase the accuracy of this technique. ...
  • Bala, Uzzal Binit; Greiff, Michael; Preisner, Thomas; Mathis, Wolfgang (Bingley : Emerald Group Publishing Ltd., 2009)
    Purpose - The purpose of this paper is to present a hybrid numerical simulation approach for the calculation of potential and electric field distribution considering charge and dielectric constant. Design/methodology/ ...
  • Gardinowski, G.; Schmeidel, J.; Pfnür, Herbert; Block, T.; Tegenkamp, Christoph (College Park, MD : American Institute of Physics, 2006)
    The fabrication and characterization of metallic nanometer-sized gaps suitable for conductivity measurements of single molecules were studied. Controlled gap formation by electromigration (EM) is demonstrated in contiguous ...
  • Xu, Min; Kauth, Felix; Mickan, Bodo; Brand, Uwe (Les Ulis : EDP Sciences, 2015)
    Le Profilscanner developpe par le PTB permet de realiser des mesures de rugosite et de de forme sur des structures d'un diametre minimum de 40 µm presentant un rapport d'aspect eleve. Il a ete possible pour la premiere de ...
  • Sieland, Fabian; Schneider, Jenny; Lippmann, Thorsten; Bahnemann, Detlef W. (Bellingham, WA : S P I E - International Society for Optical Engineering, 2016)
    In the focus of this study, mixtures of commercially available TiO2 powders were created and their photocatalytic activity concerning the acetaldehyde degradation in the gas phase was tested. Further, the lifetime of the ...