Model-independent X-ray imaging of adsorbed cations at the crystal-water interface

Z. Zhang; P. Fenter; L. Cheng; N. C. Sturchio; M. J. Bedzyk; M. L. Machesky; D. J. Wesolowski

doi:10.1016/j.susc.2003.11.047

Model-independent X-ray imaging of adsorbed cations at the crystal-water interface

Z. Zhang, P. Fenter^*, L. Cheng, N. C. Sturchio, M. J. Bedzyk, M. L. Machesky, D. J. Wesolowski

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

65 Scopus citations

Abstract

We describe an approach to directly image three-dimensional elemental distributions at the crystal-liquid interface with ∼ 1 Å spatial resolution. This method, based on the Fourier synthesis of X-ray standing wave data, is demonstrated by imaging the distribution of Sr²⁺, Zn ²⁺ and Y³⁺ adsorbed to the rutile (110)-water interface with no a priori assumptions. The approach resolves distinct sites and is robust for systems with single or multiple simultaneous adsorption sites. The observed ion distributions reveal unexpected differences in the adsorption sites of these cations that are needed to interpret electrical double-layer phenomena using surface complexation models. Published by Elsevier B.V.

Original language	English (US)
Pages (from-to)	L95-L100
Journal	Surface Science
Volume	554
Issue number	2-3
DOIs	https://doi.org/10.1016/j.susc.2003.11.047
State	Published - Apr 10 2004

Funding

The authors thank the US Department of Energy, Office of Basic Energy Sciences, Division of Chemical Sciences, Geosciences, and Biosciences, for support of this research. Work was performed at the Advanced Photon Source (beamline 12-ID-D, BESSRC-CAT) and the National Synchrotron Light Source (beamline X15A), which are supported by the US Department of Energy.

Keywords

Adatoms
Solid-liquid interfaces
Surface electronic phenomena (work function, surface potential, surface states, etc.)
Titanium oxide
X-ray standing waves

ASJC Scopus subject areas

Condensed Matter Physics
Surfaces and Interfaces
Surfaces, Coatings and Films
Materials Chemistry

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10.1016/j.susc.2003.11.047

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title = "Model-independent X-ray imaging of adsorbed cations at the crystal-water interface",

abstract = "We describe an approach to directly image three-dimensional elemental distributions at the crystal-liquid interface with ∼ 1 {\AA} spatial resolution. This method, based on the Fourier synthesis of X-ray standing wave data, is demonstrated by imaging the distribution of Sr2+, Zn 2+ and Y3+ adsorbed to the rutile (110)-water interface with no a priori assumptions. The approach resolves distinct sites and is robust for systems with single or multiple simultaneous adsorption sites. The observed ion distributions reveal unexpected differences in the adsorption sites of these cations that are needed to interpret electrical double-layer phenomena using surface complexation models. Published by Elsevier B.V.",

keywords = "Adatoms, Solid-liquid interfaces, Surface electronic phenomena (work function, surface potential, surface states, etc.), Titanium oxide, X-ray standing waves",

author = "Z. Zhang and P. Fenter and L. Cheng and Sturchio, {N. C.} and Bedzyk, {M. J.} and Machesky, {M. L.} and Wesolowski, {D. J.}",

note = "Funding Information: The authors thank the US Department of Energy, Office of Basic Energy Sciences, Division of Chemical Sciences, Geosciences, and Biosciences, for support of this research. Work was performed at the Advanced Photon Source (beamline 12-ID-D, BESSRC-CAT) and the National Synchrotron Light Source (beamline X15A), which are supported by the US Department of Energy.",

year = "2004",

month = apr,

day = "10",

doi = "10.1016/j.susc.2003.11.047",

language = "English (US)",

volume = "554",

pages = "L95--L100",

journal = "Surface Science",

issn = "0039-6028",

publisher = "Elsevier",

number = "2-3",

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TY - JOUR

T1 - Model-independent X-ray imaging of adsorbed cations at the crystal-water interface

AU - Zhang, Z.

AU - Fenter, P.

AU - Cheng, L.

AU - Sturchio, N. C.

AU - Bedzyk, M. J.

AU - Machesky, M. L.

AU - Wesolowski, D. J.

N1 - Funding Information: The authors thank the US Department of Energy, Office of Basic Energy Sciences, Division of Chemical Sciences, Geosciences, and Biosciences, for support of this research. Work was performed at the Advanced Photon Source (beamline 12-ID-D, BESSRC-CAT) and the National Synchrotron Light Source (beamline X15A), which are supported by the US Department of Energy.

PY - 2004/4/10

Y1 - 2004/4/10

N2 - We describe an approach to directly image three-dimensional elemental distributions at the crystal-liquid interface with ∼ 1 Å spatial resolution. This method, based on the Fourier synthesis of X-ray standing wave data, is demonstrated by imaging the distribution of Sr2+, Zn 2+ and Y3+ adsorbed to the rutile (110)-water interface with no a priori assumptions. The approach resolves distinct sites and is robust for systems with single or multiple simultaneous adsorption sites. The observed ion distributions reveal unexpected differences in the adsorption sites of these cations that are needed to interpret electrical double-layer phenomena using surface complexation models. Published by Elsevier B.V.

AB - We describe an approach to directly image three-dimensional elemental distributions at the crystal-liquid interface with ∼ 1 Å spatial resolution. This method, based on the Fourier synthesis of X-ray standing wave data, is demonstrated by imaging the distribution of Sr2+, Zn 2+ and Y3+ adsorbed to the rutile (110)-water interface with no a priori assumptions. The approach resolves distinct sites and is robust for systems with single or multiple simultaneous adsorption sites. The observed ion distributions reveal unexpected differences in the adsorption sites of these cations that are needed to interpret electrical double-layer phenomena using surface complexation models. Published by Elsevier B.V.

KW - Adatoms

KW - Solid-liquid interfaces

KW - Surface electronic phenomena (work function, surface potential, surface states, etc.)

KW - Titanium oxide

KW - X-ray standing waves

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U2 - 10.1016/j.susc.2003.11.047

DO - 10.1016/j.susc.2003.11.047

M3 - Article

AN - SCOPUS:1842610542

SN - 0039-6028

VL - 554

SP - L95-L100

JO - Surface Science

JF - Surface Science

IS - 2-3

ER -

Model-independent X-ray imaging of adsorbed cations at the crystal-water interface

Abstract

Funding

Keywords

ASJC Scopus subject areas

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