Search Results - "BREHMER, Ludwig"
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From anisotropic photo-fluidity towards nanomanipulation in the optical near-field
Published in Nature materials (01-09-2005)“…An increase in random molecular vibrations of a solid owing to heating above the melting point leads to a decrease in its long-range order and a loss of…”
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Dispersive surface plasmon microscopy for the characterization of ultrathin organic films
Published in Applied physics letters (14-10-1996)“…We report on experiments, applying a novel microscopy method for ultrathin-film characterization which uses the dispersion properties of plasmon surface…”
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Unimolecular Electrical Rectification in Hexadecylquinolinium Tricyanoquinodimethanide
Published in Journal of the American Chemical Society (29-10-1997)“…Macroscopic and nanoscopic current−voltage measurements reveal asymmetries in the DC electrical conductivity through Langmuir−Blodgett multilayers and even…”
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Inscription of local surface relief gratings with a Scanning Near-field Optical Microscope on an azo-polymer film
Published in Polímeros, ciência e tecnologia (01-12-2006)“…A Scanning Near-field Optical Microscope (SNOM) was used to inscribe locally limited Surface Relief Gratings (SRGs) on pDR1M, which is an azo-polymer film. The…”
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Sensitivity of Polythiophene Planar Light-Emitting Diodes to Oxygen
Published in Advanced materials (Weinheim) (01-07-1998)“…The performance and safety of rechargeable batteries depend strongly on the materials used. Lithium insertion materials suitable for negative and positive…”
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Brewster angle microscopy and surface potential measurements of Langmuir–Blodgett films of zinc tri( tert-butyl)-4-sulphophthalocyanine
Published in Applied surface science (30-06-2005)“…The formation of a Langmuir monolayer of an amphiphilic derivative of zinc phthalocyanine (Na[ZnPc tSO 3]) has been studied by means of surface potential…”
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Preparation of ordered thin gold films
Published in Applied surface science (01-11-1999)“…Nanotechnological research or processing often requires substrates with an atomically flat gold surface for the growth of ordered organic thin films. A…”
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Characteristics of polythiophene surface light emitting diodes
Published in Synthetic metals (15-06-2000)“…Surface light emitting diodes (SLEDs), in which previously microfabricated electrodes were coated with a conjugated polymer, were made with greatly different…”
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Sensor activity of thin polymer films containing lead nanoparticles
Published in Colloids and surfaces. A, Physicochemical and engineering aspects (18-02-2002)“…Thin poly( p-xylylene) films containing lead nanoparticles were prepared by vacuum deposition technique. The vapors of p-xylylene monomer and lead were…”
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Monolayer Properties of a New Family of Amphiphiles with an Unusual Head-Group Topology
Published in Langmuir (19-02-1997)“…Several rodlike 4,4‘‘-bis(decyloxy)-p-terphenyl derivatives incorporating nonionic hydrophilic groups in the lateral 2‘-position (2-oxa-4,5-dihydroxypentyl,…”
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Influence of polymeric counter-ions on the Langmuir- and LB-film stability of amphiphilic 1,3,4-oxadiazoles
Published in Colloids and surfaces. A, Physicochemical and engineering aspects (18-02-2002)“…The effect of the polyelectrolyte complexation of an amphiphilic diphenyl-1,3,4-oxadiazole with a carboxylic head group is studied experimentally as a function…”
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Polarized electroluminescence from bilayer structures
Published in Macromolecular symposia. (01-04-2004)“…The photoalignment ability of poly[methyl(phenyl)silylene] (PMPSi) films makes it possible to use them as hole‐transporting substrates for the preparation of…”
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Monolayer properties of amphiphilic tetrakis(phenylethynyl)benzene compounds
Published in Thin solid films (31-08-1998)“…The monolayer behaviour of new sheet-like tetrakis(arylethynyl)benzene derivatives bearing two hydrophilic head groups fixed to the para positions of the…”
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Monolayer Behavior of 2-Fold Hydroxy-Terminated Sheetlike Tetrakis(phenylethynyl)benzene Derivatives
Published in Langmuir (24-12-1997)“…The monolayer behavior of two series of sheet-shaped tetrakis(phenylethynyl)benzene derivatives has been investigated by means of surface pressure−area…”
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Comparative study of the thermal properties of related aromatic polyhydrazides and poly(1,3,4-oxadiazole)s
Published in Polymers for advanced technologies (01-12-1996)“…Studies were undertaken to ascertain the thermal behavior of several new types of aromatic polyhydrazides and poly(1,3,4‐oxadiazole)s containing different…”
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Characterization of 2,5-Di-p-Tolyl-1,3,4-oxadiazole Crystals by Atomic Force Microscopy
Published in Chemistry of materials (01-05-1995)Get full text
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Metal ion adsorption to Langmuir-Blodgett films monitored by the optical waveguide technique
Published in Thin solid films (01-09-1995)“…We applied optical waveguide methods to monitor the metal ion adsorption to ultrathin organic films. As a metal ion-sensitive material we used a polymer with…”
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Command surface induced switching of the optical properties of liquid crystalline thin film structures
Published in Synthetic metals (15-08-1996)“…We report on optical waveguide structures with light propagation in a nematic liquid crystalline thin film. The liquid crystal (LC) is sandwiched between two…”
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Journal Article Conference Proceeding -
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Self-assembled monolayers of novel azobenzenes for optically induced switching
Published in Materials Science & Engineering C (01-12-1999)“…Two novel azobenzenethiols containing either a sulfonamide or an amide group were synthesised and their ultrathin films were prepared by self-assembling (SA)…”
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Journal Article Conference Proceeding