E.W. van der Vegte
University of Groningen
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Publication
Featured researches published by E.W. van der Vegte.
Applied Physics Letters | 1994
S. O. Akari; E.W. van der Vegte; P. C. M. Grim; G. F. Belder; Vasileios Koutsos; G. ten Brinke; Georges Hadziioannou
In this work we apply a force modulation technique to a standard atomic force microscope (AFM) in order to study the elasticity of individual polystyrene molecules. The sample mounted on a piezoelectric tube was forced to vibrate along the z direction. The corresponding modulation of the cantilever, which reflects the spring constant of the sample, was phase sensitively detected and measured as a function of the surface topography. The image contrast in these images is based on local variations of the surface elasticity. Compared to the conventional AFM topography image, the elasticity image shows an enhanced contrast with pronounced molecular structure.
Langmuir | 1997
E.W. van der Vegte; G Hadziioannou
Macromolecules | 2000
B. de Boer; H.K. Simon; M.P L Werts; E.W. van der Vegte; Georges Hadziioannou
Journal of Physical Chemistry B | 1997
E.W. van der Vegte; G Hadziioannou
Macromolecules | 1997
Vasileios Koutsos; E.W. van der Vegte; Eric Pelletier; A. Stamouli; G Hadziioannou
Macromolecules | 1999
Vasileios Koutsos; E.W. van der Vegte; Georges Hadziioannou
Macromolecules | 1998
Vasileios Koutsos; E.W. van der Vegte; P. C. M. Grim; Georges Hadziioannou
Langmuir | 1997
M.P L Werts; E.W. van der Vegte; G Hadziioannou
Langmuir | 1996
A. Stamouli; E. Pelletier; Vasileios Koutsos; E.W. van der Vegte; Georges Hadziioannou
Advanced Materials | 1998
M.P L Werts; E.W. van der Vegte; V. Grayer; E. Esselink; C. Tsitsilianis; Georges Hadziioannou
