Multiple nonergodic disordered states in Laponite suspensions: a phase diagram (2008)
Jabbari-Farouji, S., Tanaka, Hajime, Wegdam, G. H., Bonn, Daniel
We study the time evolution of different Laponite suspensions from a low-viscosity ergodic state to a viscoelastic non-ergodic state over a wide range of volume fractions and salt contents. We find...
Effective temperatures from the fluctuation-dissipation measurements in soft glassy materials (2008)
Jabbari-Farouji, S., Mizuno, D., Derks, D., Wegdam, G. H., MacKintosh, F. C., Schmidt, C. F., ...
We have investigated the validity of the fluctuation-dissipation theorem (FDT) and the applicability of the concept of effective temperature in a number of non-equilibrium soft glassy materials....
Colloidal monolayer trapped near a charged wall: A synchrotron x-ray diffraction study (2008)
Satapathy, D. K., Bunk, O., Jefimovs, K., Nygard, K., Guo, H., Diaz, A., ...
Colloidal monolayer trapped near a charged wall: A synchrotron x-ray diffraction study (2008)
Satapathy, D.K., Bunk, O., Jefimovs, K., Nygård, K., Guo, H., Diaz, A., ...
Using x-ray diffraction from microfluidic channel arrays, we have determined concentration profiles of charge-stabilized silica colloids (radius 60±2 nm) confined between two like-charged dielectric...
Reversible phase transition of colloids in a binary liquid solvent (2008)
Guo, H., Narayanan, T., Sztuchi, M., Schall, P., Wegdam, G.H.
We report fluid-fluid and fluid-solid phase transitions of charge-stabilized polystyrene particles suspended in a binary liquid mixture of 3-methylpyridine and water. These thermally reversible phase...
High-bandwidth viscoelastic properties of aging colloidal glasses and gels (2007)
Jabbari-Farouji, S., Atakhorram, M., Mizuno, D., Eiser, E., Wegdam, G. H., MacKintosh, F. C., ...
We report measurements of the frequency-dependent shear moduli of aging colloidal systems that evolve from a purely low-viscosity liquid to a predominantly elastic glass or gel. Using microrheology,...
Fluctuation-Dissipation Theorem in an Aging Colloidal Glass (2007)
Jabbari Farouji, S., Mizuno, D., Atakhorrami, M., MacKintosh, F.C., Schmidt, C.F., Eiser, E., ...
Confinement-induced liquid ordering investigated by x-ray phase retrieval (2007)
Bunk, O., Diaz, A., Pfeiffer, F., David, C., Padeste, C., Keymeulen, H., ...
Using synchrotron x-ray diffraction, we have determined the ensemble-averaged density profile of colloidal fluids within confining channels of different widths. We observe an oscillatory...
Fluctuation-Dissipation Theorem in an Aging Colloidal Glass (2007)
Jabbari Farouji, S., Mizuno, D., Atakhorrami, M., MacKintosh, F.C., Schmidt, C.F., Eiser, E., ...
Fluctuation-dissipation theorem in an aging colloidal glass (2007)
Jabbari Farouji, S., Mizuno, D., Atakhorrami, M., MacKintosh, F.C., Schmidt, C.F., Eiser, E., ...
Confinement-induced liquid ordering investigated by x-ray phase retrieval (2007)
Bunk, O., Diaz, A., Pfeiffer, F., David, C., Padeste, C., Keymeulen, H., ...
De hydrodynamica van samenvloeiende druppels (2006)
Lekkerkerker, H.N.W., Guo, H., Wegdam, G.H., Bonn, D.
De verhouding tussen grote en kleine druppels in een regenbui of in een emulsie (mayonaise, dagcrème, boorvloeistoffen voor de olie-industrie) wordt onder andere bepaald door het samenvloeien, ofwel...
Drop formation by thermal fluctuations at an ultralow surface tension (2006)
Hennequin, Y., Wegdam, G.H., Eggers, J., Lekkerkerker, H.N.W., ...
We present experimental evidence that drop breakup is caused by thermal noise in a system with a surface tension that is more than 106 times smaller than that of water.We observe that at very small...
Photon correlation and scattering: introduction to the feature issue , (2006)
Meyer, W.V., Smart, A.E., Wegdam, G.H., Brown, R.G.W., Dogariu, A.
Drop formation by thermal fluctuations at an ultralow surface tension (2006)
Hennequin, Y.F.H., Wiel Van Der, J.H., Wegdam, G.H., Eggers, J., Lekkerkerker, H.N.W., ...
What controls the thickness of a wetting layer?. (2002)
Fenistein, Denis, Bonn, Daniel, Rafaï, Salima, Wegdam, G.H., Meunier, J., ...
What controls the thickness of wetting layers near bulk criticality? (2002)
Fenistein, D., Bonn, D., Rafai, S., Wegdam, G.H., Meunier, J., Parry, A.O., ...
Photon correlation spectroscopy: X-rays versus visible light (2000)
Riese, D.O., Vos, W.L., Wegdam, G.H., Poelwijk, F.J., Abernathy, D.L., Grubel, G.
Effective screening of hydrodynamic interactions in charged colloidal suspensions (2000)
Riese, D.O., Wegdam, G.H., Vos, W.L., Sprik, R., Fenistein, D.P.C., Bongaerts, J.H.H., ...
Local-fields effects on spontaneous emission in a dense supercritical gas (1998)
Schuurmans, F.J.P., Lang, D.T.N., Wegdam, G.H., Sprik, R., Lagendijk, A.
Strong effects of photonic band structures on the diffraction of colloidal crystals (1996)
Vos, W.L., Sprik, R., Blaaderen, A. Van, Imhof, A., Lagendijk, A., Wegdam, G.H.
Rayleigh-Brillouin Light Scattering from Noble Gas Mixtures. 2. Partial Structure Factors (1991)
We derive a relation between the static structure factor for a mixture and experimental quantities that can be extracted from a Rayleigh-Brillouin light scattering experiment: the Landau-Placzek...
Rayleigh-Brillouin Light Scattering from Noble Gas Mixtures. 1. The Landau-Placzek Ratio (1991)
Bot, A., Schaink, H.M., Schram, R.P.C., Wegdam, G.H.
We present the Rayleigh-Brillouin light scattering data for He + Xe mixtures of various compositions and pressures between 2 and 10 MPa. We compare our experimental data to calculations for a mixture...
Fast and slow sound in binary fluid mixtures (1990)
Schram, R.P.C., Bot, A., Schaink, H.M., Wegdam, G.H.
We present new data on Hz + Xe mixtures that support the existence of a fast sound mode in binary gas mixtures. In addition we show that using an approriate scaling, the behaviour of the slow sound...
In this paper we present the results of model calculations on the rotational motion of linear molecules in dense systems. To this end we have developed a matrix description for the rotational...
Interpretation of dipole correlation functions in some liquid systems (1972)
Aalst, R.M. Van, Elsken, J. Van Der, Frenkel, D., Wegdam, G.H.
The dipole correlation functions determined from far infra-red absorption measurements of a variety of liquids are compared with correlation functions calculated with different models for the motion...
Rotational diffusion model with a variable collision distribution (1972)
Frenkel, D., Wegdam, G.H., Elsken, J. Van Der
Starting with an m-diffusion model a matrix description is given of the rotational motion of a dipole molecule undergoing frequent collisions. This treatment gives rise to an analytical expression...