Dynamics and correlations in magnetic colloidal systems studied by X-ray photon correlation spectroscopy

J. Lal; D. Abernathy; L. Auvray; O. Diat; G. Grübel

doi:10.1007/s101890170108

Dynamics and correlations in magnetic colloidal systems studied by X-ray photon correlation spectroscopy

J. Lal, D. Abernathy, L. Auvray, O. Diat, G. Grübel

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62 Scopus citations

Abstract

We have studied the static and dynamic behaviour of magnetic colloidal systems (ferrofluids) by Small-Angle X-ray Scattering (SAXS) and X-ray Photon Correlation Spectroscopy (XPCS). The main features of the novel XPCS technique will be illustrated by data taken on a model system, colloidal silica spheres. We will then present the results obtained on an optically opaque suspension of magnetic colloids (maghemite) in the wave vector range from 10^-3 to 10^-2 Å^-1. Translational diffusion in zero field and anisotropic diffusion under external magnetic fields will be discussed.

Original language	English
Pages (from-to)	263-271
Number of pages	9
Journal	European Physical Journal E
Volume	4
Issue number	3
DOIs	https://doi.org/10.1007/s101890170108
State	Published - Mar 2001
Externally published	Yes

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title = "Dynamics and correlations in magnetic colloidal systems studied by X-ray photon correlation spectroscopy",

abstract = "We have studied the static and dynamic behaviour of magnetic colloidal systems (ferrofluids) by Small-Angle X-ray Scattering (SAXS) and X-ray Photon Correlation Spectroscopy (XPCS). The main features of the novel XPCS technique will be illustrated by data taken on a model system, colloidal silica spheres. We will then present the results obtained on an optically opaque suspension of magnetic colloids (maghemite) in the wave vector range from 10-3 to 10-2 {\AA}-1. Translational diffusion in zero field and anisotropic diffusion under external magnetic fields will be discussed.",

author = "J. Lal and D. Abernathy and L. Auvray and O. Diat and G. Gr{\"u}bel",

year = "2001",

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T1 - Dynamics and correlations in magnetic colloidal systems studied by X-ray photon correlation spectroscopy

AU - Lal, J.

AU - Abernathy, D.

AU - Auvray, L.

AU - Diat, O.

AU - Grübel, G.

PY - 2001/3

Y1 - 2001/3

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AB - We have studied the static and dynamic behaviour of magnetic colloidal systems (ferrofluids) by Small-Angle X-ray Scattering (SAXS) and X-ray Photon Correlation Spectroscopy (XPCS). The main features of the novel XPCS technique will be illustrated by data taken on a model system, colloidal silica spheres. We will then present the results obtained on an optically opaque suspension of magnetic colloids (maghemite) in the wave vector range from 10-3 to 10-2 Å-1. Translational diffusion in zero field and anisotropic diffusion under external magnetic fields will be discussed.

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EP - 271

JO - European Physical Journal E

JF - European Physical Journal E

IS - 3

ER -

Dynamics and correlations in magnetic colloidal systems studied by X-ray photon correlation spectroscopy

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