Physical Review E

, volume 75 , issue 4 , publication number 041401

Slow, nondiffusive dynamics in concentrated nanoemulsions

H. Guo ¹

J N Wilking ²

James N. Wilking ²

D. Liang ¹

T. G. Mason ^{2, 3}

J.L. Harden ⁴

James L. Harden ⁴

R.L. Leheny ¹

R.L Leheny ¹

Hide authors affiliations Show authors affiliations: 4 affiliations

Department of Physics and Astronomy, Johns Hopkins University, Baltimore, Maryland 21218, USA |

Department of Chemistry and Biochemistry, University of California-Los Angeles, Los Angeles, California 90095, USA |

Department of Physics and Astronomy, University of California-Los Angeles, Los Angeles, California 90095, USA |

⁴

Department of Physics, University of Ottawa, Ottawa, Ontario, Canada K1N 6N5 |

Publication type: Journal Article

Publication date: 2007-04-02

American Physical Society (APS)

Physical Review E

scimago Q2

wos Q1

SJR: 0.705

CiteScore: 4.2

Impact factor: 2.4

ISSN: 24700045, 24700053, 15393755, 15502376, 1063651X, 10953787

DOI: 10.1103/physreve.75.041401

Copy DOI

PubMed ID: 17500888

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Abstract

Using multispeckle x-ray photon correlation spectroscopy, we have measured the slow, wave-vector-dependent dynamics of concentrated, disordered nanoemulsions composed of silicone oil droplets in water. The intermediate scattering function possesses a compressed exponential line shape and a relaxation time that varies inversely with wave vector. We interpret this dynamics as strain in response to local stress relaxation. The motion includes a transient component whose characteristic velocity decays exponentially with time following a mechanical perturbation of the nanoemulsions and a second component whose characteristic velocity is essentially independent of time. The steady-state characteristic velocity is surprisingly insensitive to the droplet volume fraction in the concentrated regime, indicating that the strain motion is only weakly dependent on the droplet-droplet interactions.

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Cite this

GOST |

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GOST Copy

Guo H. et al. Slow, nondiffusive dynamics in concentrated nanoemulsions // Physical Review E. 2007. Vol. 75. No. 4. 041401

GOST all authors (up to 50) Copy

Guo H., Wilking J. N., Wilking J. N., Liang D., Mason T. G., Harden J., Harden J. L., Leheny R., Leheny R. Slow, nondiffusive dynamics in concentrated nanoemulsions // Physical Review E. 2007. Vol. 75. No. 4. 041401

RIS |

Cite this

RIS Copy

TY - JOUR

DO - 10.1103/physreve.75.041401

UR - https://doi.org/10.1103/physreve.75.041401

TI - Slow, nondiffusive dynamics in concentrated nanoemulsions

T2 - Physical Review E

AU - Guo, H.

AU - Wilking, J N

AU - Wilking, James N.

AU - Liang, D.

AU - Mason, T. G.

AU - Harden, J.L.

AU - Harden, James L.

AU - Leheny, R.L.

AU - Leheny, R.L

PY - 2007

DA - 2007/04/02

PB - American Physical Society (APS)

IS - 4

VL - 75

PMID - 17500888

SN - 2470-0045

SN - 2470-0053

SN - 1539-3755

SN - 1550-2376

SN - 1063-651X

SN - 1095-3787

ER -

BibTex

Cite this

BibTex (up to 50 authors) Copy

@article{2007_Guo,

author = {H. Guo and J N Wilking and James N. Wilking and D. Liang and T. G. Mason and J.L. Harden and James L. Harden and R.L. Leheny and R.L Leheny},

title = {Slow, nondiffusive dynamics in concentrated nanoemulsions},

journal = {Physical Review E},

year = {2007},

volume = {75},

publisher = {American Physical Society (APS)},

month = {apr},

url = {https://doi.org/10.1103/physreve.75.041401},

number = {4},

pages = {041401},

doi = {10.1103/physreve.75.041401}

}

Publisher

American Physical Society (APS)

Journal

Physical Review E

scimago Q2

wos Q1

SJR

0.705

CiteScore

4.2

Impact factor

2.4

ISSN

24700045 (Print)

24700053 (Electronic)

15393755 (Print)

15502376 (Electronic)

1063651X (Print)

10953787 (Electronic)