Search Results - "Fischer, Th. M"

Autonomously Moving Nanorods at a Viscous Interface by Dhar, P, Fischer, Th. M, Wang, Y, Mallouk, T. E, Paxton, W. F, Sen, A

“…We study the autonomous motion of catalytic nanorods in Gibbs monolayers. The catalytic activity of the rods on a hydrogen peroxide aqueous subphase gives rise…”
Get full text

Diffusion of Nanoparticles at an Air/Water Interface Is Not Invariant under a Reversal of the Particle Charge by Gehring, T, Fischer, Th. M

“…The diffusion of charged nanoparticles at an aqueous/air interface is not invariant under a charge reversal of the particles. Negatively charged particles slow…”
Get full text

Magnetic Field Controlled Composite Paramagnetic–Diamagnetic Colloidal Phases by Ray, A, Fischer, Th. M

“…We report on differently ordered colloidal phases of a mixture of paramagnetic and diamagnetic colloids subject to a quickly varying time dependent magnetic…”
Get full text

The transition strength from solid to liquid colloidal dipolar clusters in precessing magnetic fields by Ray, A., Fischer, Th. M.

“…We report on the rotation of colloidal clusters of diamagnetic beads and of mixtures of paramagnetic and diamagnetic beads in a ferrofluid in a precessing…”
Get full text

Dilatational Yielding of Solid Langmuir Monolayers by Aliaskarisohi, S, Fischer, Th. M, Wilke, N

“…In a previous work, Muruganathan and Fischer observed laser-induced local collapse of a methyl stearate monolayer. These experiments opened the possibility of…”
Get full text

Using Symmetry Breaking for Directed Transport of Paramagnetic Colloids on Garnet Films by Aliaskarisohi, S, Johansen, T. H, Fischer, Th. M

“…The transport behavior of paramagnetic particles on top of a ferrimagnetic garnet film is investigated in a modulated external magnetic field. Broken…”
Get full text

Fluorinated Langmuir Monolayers Are More Viscous than Non-Fluorinated Monolayers by Murakami, D, Langer, U, Khattari, Z, Fischer, Th. M

“…The surface shear viscosity of the liquid expanded phase in Langmuir monolayers of fluorinated alcohols differs by orders of magnitude from the corresponding…”
Get full text

Laser-Induced Local Collapse in a Langmuir Monolayer by Muruganathan, RM, Fischer, Th. M

“…Heating of a two-dimensional, methyloctadecanoate, Langmuir monolayer with a focused laser induces the local collapse of the monolayer. We observe the growth…”
Get full text

Nonequilibrium Bubbles in a Flowing Langmuir Monolayer by Muruganathan, RM, Khattari, Z, Fischer, Th. M

“…We investigate the nonequilibrium behavior of two-dimensional gas bubbles in Langmuir monolayers. A cavitation bubble is induced in liquid expanded phase by…”
Get full text

Flow-controlled Phase Boundaries in Langmuir Monolayers by Muruganathan, R. M, Fischer, Th. M

“…Flow-controlled fingering of the liquid expanded/liquid condensed phase boundary in a 2-d insoluble monolayer is investigated using a laser-induced…”
Get full text

String Defects Connecting Pairs of Half-Integer Disclinations and Tilting Transition of a Langmuir Monolayer by Hatta, E, Fischer, Th. M

“…The static and dynamic string defect textures connecting pairs of half-integer disclinations have been observed by Brewster angle microscopy in the solid phase…”
Get full text

Modulation Crack Growth and Crack Coalescence upon Langmuir Monolayer Collapse by Hatta, E, Fischer, Th. M

“…An extensive study for Langmuir monolayer collapse is carried out to explore the generality of classification of their crack patterns (E. Hatta et al. Eur…”
Get full text

Micromanipulation of Langmuir-Monolayers with Optical Tweezers by Wurlitzer, S, Lautz, C, Liley, M, Duschl, C, Fischer, Th. M

“…A technique for the manipulation of Langmuir-monolayers at the air/water interface is presented. Optical tweezers are combined with fluorescence and Brewster…”
Get full text

Growth of Tilted Domains in an Octadecanol Langmuir Monolayer Using Radial Temperature Gradients by Khattari, Z, Fischer, Th. M

“…Using Brewster angle microscopy, it is demonstrated that extended L2‘-single liquid crystalline domains in an octadecanol monolayer grow by locally heating and…”
Get full text

Splitting of an s = 1 Point Disclination into Half-Integer Disclinations upon Laser Heating of a Langmuir Monolayer by Hatta, E, Fischer, Th. M

“…Integer s = 1 point disclination textures of the molecular orientation of a pentacosadiynoic acid Langmuir monolayer split into two s = 1/2 defects upon laser…”
Get full text

Electrophoretic Relaxation Dynamics of Domains in Langmuir Monolayers by Wurlitzer, S, Schmiedel, H, Fischer, Th. M

“…Equilibrium patterns of a Langmuir monolayer of methyl octadecanoate are perturbed on a micrometer length scale using optical tweezers and laser heating. The…”
Get full text

Magnetic Beads as Interfacial Nanoprobes by Helseth, L. E, Wen, H. Z, Heinig, P, Fischer, Th. M

“…We use paramagnetic beads to probe strongly localized magnetic fields from one-dimensional nanomagnets. Using a polarization microscope in reflection mode, we…”
Get full text

Liquid Crystalline and Solid Stripe Textures in Langmuir Monolayers by Hatta, E, Fischer, Th. M

“…Textures of the molecular orientation of molecules in a Langmuir monolayer of pentadecanoic acid (PDA) are compared with similar textures of monomeric and…”
Get full text

Shapes of Langmuir Monolayer Domains in Confined Geometries by Khattari, Z, Fischer, Th. M

“…The shape of two-dimensional liquid expanded droplets of a methyl octadecanoate Langmuir monolayer confined in gas cavities in a liquid condensed matrix is…”
Get full text

Paramagnetic colloidal ribbons in a precessing magnetic field by Alvarez-Nodarse, R, Quintero, N R, Mertens, F G, Casic, N, Fischer, Th M

“…We investigate the dynamics of a kink in a damped parametrically driven nonlinear Klein-Gordon equation. We show by using a method of averaging that, in the…”
Get full text