Academic literature on the topic 'Oberflächenpotential'
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Journal articles on the topic "Oberflächenpotential"
Pohl, P., T. Ludvik, and T. I. Rokitskaya. "Die Wirkung von Ultraschall auf das Oberflächenpotential von Membranen." Zeitschrift für Medizinische Physik 11, no. 1 (2001): 39–43. http://dx.doi.org/10.1016/s0939-3889(15)70386-7.
Full textKoehler, Fabian M, Norman A Luechinger, Dominik Ziegler, Evagelos K Athanassiou, Robert N Grass, Antonella Rossi, Christofer Hierold, Andreas Stemmer, and Wendelin J Stark. "Permanente lithographische Einstellung des Oberflächenpotentials auf Graphen-ähnlichem Kohlenstoff durch chemische Funktionalisierung." Angewandte Chemie 121, no. 1 (November 26, 2008): 230–33. http://dx.doi.org/10.1002/ange.200804485.
Full textKaden, G. "Zum Einfluß des Oberflächenpotentials auf die Frequenzdispersion der Admittanz von GaAs-MIS-Teststrukturen sowie der Gatekapazität und Steilheit von MESFETs II. Untersuchungen an MESFETs." physica status solidi (a) 121, no. 1 (September 16, 1990): 315–25. http://dx.doi.org/10.1002/pssa.2211210138.
Full textKaden, G. "Zum Einfluß des Oberflächenpotentials auf die Frequenzdispersion der Admittanz von GaAs-MIS-Teststrukturen sowie der Gatekapazität und Steilheit von MESFETs I. SiNx-Passivierung und Teststrukturen." physica status solidi (a) 120, no. 2 (August 16, 1990): 675–85. http://dx.doi.org/10.1002/pssa.2211200242.
Full textFanghänel, E., and W. Ortmann. "1,2,3-Triazabutadiene XXI [1]. Zur Bestimmung des Oberflächenpotentials und des relativen pH-Wertes in der Sternregion anionischer Mizellen unter Verwendung von 1-(4′-Chlorphenyl)-3-(3-methylbenzthiazolinyliden-(2))-triazen als Sonde." Journal für Praktische Chemie 331, no. 5 (1989): 721–25. http://dx.doi.org/10.1002/prac.19893310503.
Full textStarck, W., F. B. Sachse, C. Werner, O. Dössel, and K. Meyer-Waarden. "Vergleich von numerisch berechneten Oberflächenpotentialen mit und ohne Berücksichtigung von anisotropem Muskelgewebe." Biomedizinische Technik/Biomedical Engineering, October 23, 2009, 54–55. http://dx.doi.org/10.1515/bmte.1998.43.s1.54.
Full textDissertations / Theses on the topic "Oberflächenpotential"
Scenev, Vitalij. "Electronic properties of graphene and other carbon-based hybrid materials for flexible electronics." Doctoral thesis, Humboldt-Universität zu Berlin, Mathematisch-Naturwissenschaftliche Fakultät, 2014. http://dx.doi.org/10.18452/17069.
Full textThis work focusses on the electronic properties of graphene on the one hand, and on the application of graphenes and other carbon-based hybrid materials for transparent electrodes on the other hand. Accordingly, the first part of the work, which is the larger one, is of fundamental nature and focusses on the electronic interaction between graphene and mica as a substrate. The second, smaller part deals with the design of novel conductive inks based on graphene and other carbon-based hybrid materials for applications in printed electronics, in particular for the production of transparent electrodes. Graphene on mica is a very well defined system, which provides atomically flat graphene extending over several square micrometers. Layer-dependent surface potential variations of single and few layered graphenes on mica were probed with Kelvin Probe Force Microscopy. This allowed to estimate the screening length of graphene on mica. Local variations of the surface electrostatic potential above single layer graphene, originating from confined fluid interfacial monolayers of water between the mica and the graphene, were monitored with Scanning Force Microscopy, Electrostatic Scanning Force Microscopy and Raman spectroscopy. This allowed to quantify the doping of graphene by the confined water layers. Exfoliation of graphene onto adsorbed nanostructures on mica allowed to control the strain of graphene at the nano-scale. Nanostructuring was achieved by first coating mica with submonolayers of dendronized polymers of different generations and subsequently depositing graphene. This approach provides new opportunities for the control of the electronic properties of graphene by strain.Finally, novel conducting carbon-based inks were designed and transparent electrodes were fabricated therefrom. The formulations of the inks were optimized for printing on plastic substrates.
Johann, Robert. "Thermodynamic, morphological and structural properties of dissociated fatty acid monolayers at the air water interface." Phd thesis, [S.l.] : [s.n.], 2001. http://pub.ub.uni-potsdam.de/2001/0018/johann.pdf.
Full textTeich, Sebastian. "Oberflächenphotospannung an dünnen organischen Schichten auf Metallsubstraten." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2009. http://nbn-resolving.de/urn:nbn:de:bsz:14-ds-1239005029403-92681.
Full textSubject of this work is the investigation of surface and interface photovoltage (SPV) of thin organic films on metal substrates. Special attention is focused on the system of thin layers of 3,4,9,10-perylenetetracarboxylic-dianhydride (PTCDA) on an Au(110) crystal. For this investigation a novel phase sensitive method was developed based on photoelectron spectroscopy (PES) under additional modulated illumination. It provides the possibility to detect light induced changes in the surface potential with a resolution of about 1mV. This modulated photoelectron spectroscopy is described in detail. Macroscopic Kelvin probe and Kelvin probe force microscopy (KPFM) are presented as further possibilities to measure the surface potential. The photovoltage is investigated by these techniques regarding three parameters: Due to the fact that the barrier at the interface is responsible for the formation of the photovoltage and that the height of this barrier is reduced by the photovoltage, the measurement of the dependence of the SPV on the intensity of the incident light provides information about the energetic structure of the interface. Together with the values of the work function and the ionisation energy of PTCDA, also gained with this methods, a band diagram of the interface can be developed. The wavelength dependent measurements show that excitons can be generated in multiple states. They are excited at different photon energies and have different diffusion lengths. The excitons have to diffuse to the interface to dissociate. Therefore the different excitation states contribute to SPV with different amounts. The investigations upon the generation and decay of the photovoltage shows that the SPV signal appears immediately after switching on the illumination. The decay of the photovoltage after switching off the light is much slower. This implies that the charge carriers are trapped as they remain in the organic film after charge separation at the interface. They have to be thermally activated from this traps. In an extra chapter the development and measurement results of a tuning fork scanning force microscope (AFM) are described. This AFM features high resolution topography images with a vertical sensitivity in the range of single angstroms
Teich, Sebastian. "Oberflächenphotospannung an dünnen organischen Schichten auf Metallsubstraten." Doctoral thesis, Technische Universität Dresden, 2008. https://tud.qucosa.de/id/qucosa%3A23728.
Full textSubject of this work is the investigation of surface and interface photovoltage (SPV) of thin organic films on metal substrates. Special attention is focused on the system of thin layers of 3,4,9,10-perylenetetracarboxylic-dianhydride (PTCDA) on an Au(110) crystal. For this investigation a novel phase sensitive method was developed based on photoelectron spectroscopy (PES) under additional modulated illumination. It provides the possibility to detect light induced changes in the surface potential with a resolution of about 1mV. This modulated photoelectron spectroscopy is described in detail. Macroscopic Kelvin probe and Kelvin probe force microscopy (KPFM) are presented as further possibilities to measure the surface potential. The photovoltage is investigated by these techniques regarding three parameters: Due to the fact that the barrier at the interface is responsible for the formation of the photovoltage and that the height of this barrier is reduced by the photovoltage, the measurement of the dependence of the SPV on the intensity of the incident light provides information about the energetic structure of the interface. Together with the values of the work function and the ionisation energy of PTCDA, also gained with this methods, a band diagram of the interface can be developed. The wavelength dependent measurements show that excitons can be generated in multiple states. They are excited at different photon energies and have different diffusion lengths. The excitons have to diffuse to the interface to dissociate. Therefore the different excitation states contribute to SPV with different amounts. The investigations upon the generation and decay of the photovoltage shows that the SPV signal appears immediately after switching on the illumination. The decay of the photovoltage after switching off the light is much slower. This implies that the charge carriers are trapped as they remain in the organic film after charge separation at the interface. They have to be thermally activated from this traps. In an extra chapter the development and measurement results of a tuning fork scanning force microscope (AFM) are described. This AFM features high resolution topography images with a vertical sensitivity in the range of single angstroms.
Heuer, Thomas [Verfasser]. "Lateral aufgelöste Messung des Oberflächenpotentials mit der Kelvin-Methode / von Thomas Heuer." 2005. http://d-nb.info/97669638X/34.
Full textHövels, Anke Maria [Verfasser]. "Der Einfluss des Karpaltunnelsyndroms auf autonome Oberflächenpotentiale / vorgelegt von Hövels, Anke Maria." 2006. http://d-nb.info/990506053/34.
Full textBook chapters on the topic "Oberflächenpotential"
Lagaly, Gerhard, Oliver Schulz, and Ralf Zimehl. "Oberflächenpotential und elektrokinetisches Potential." In Dispersionen und Emulsionen, 347–404. Heidelberg: Steinkopff, 1997. http://dx.doi.org/10.1007/978-3-642-59248-5_10.
Full textRommel, O., M. Tegenthoff, U. Pern, M. Strumpf, M. Zenz, and J. P. Malin. "Peripher autonome Oberflächenpotentiale bei Patienten mit sympathischer Reflexdystrophie." In Topographische Diagnostik des Gehirns, 631–32. Vienna: Springer Vienna, 1995. http://dx.doi.org/10.1007/978-3-7091-9415-7_161.
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