Data-processing strategies for nano-tomography with elemental specification

Yijin Liu; Korneel H. Cats; Johanna Nelson Weker; Joy C. Andrews; Bert M. Weckhuysen; Piero Pianetta

doi:10.1117/12.2026436

Data-processing strategies for nano-tomography with elemental specification

Yijin Liu, Korneel H. Cats, Johanna Nelson Weker, Joy C. Andrews, Bert M. Weckhuysen, Piero Pianetta

Sub Inorganic Chemistry and Catalysis

Stanford University

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Academic › peer-review

Abstract

Combining the energy tunability provided by synchrotron X-ray sources with transmission X-ray microscopy, the morphology of materials can be resolved in 3D at spatial resolution down to 30 nm with elemental/chemical specification. In order to study the energy dependence of the absorption coefficient over the investigated volume, the tomographic reconstruction and image registration (before and/or after the tomographic reconstruction) are critical. We show in this paper the comparison of two different data processing strategies and conclude that the signal to noise ratio (S/N) in the final result can be improved via performing tomographic reconstruction prior to the evaluation of energy dependence. Our result echoes the dose fractionation theorem, and is particularly helpful when the element of interest has low concentration.

Original language	English
Title of host publication	X-Ray Nanoimaging
Subtitle of host publication	Instruments and Methods
Publisher	SPIE
Volume	8851
ISBN (Print)	9780819497017
DOIs	https://doi.org/10.1117/12.2026436
Publication status	Published - 5 Oct 2013
Event	X-Ray Nanoimaging: Instruments and Methods - San Diego, CA, United States Duration: 28 Aug 2013 → 29 Aug 2013

Conference

Conference	X-Ray Nanoimaging: Instruments and Methods
Country/Territory	United States
City	San Diego, CA
Period	28/08/13 → 29/08/13

Keywords

Tomography
Transmission X-ray microscopy

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10.1117/12.2026436

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title = "Data-processing strategies for nano-tomography with elemental specification",

abstract = "Combining the energy tunability provided by synchrotron X-ray sources with transmission X-ray microscopy, the morphology of materials can be resolved in 3D at spatial resolution down to 30 nm with elemental/chemical specification. In order to study the energy dependence of the absorption coefficient over the investigated volume, the tomographic reconstruction and image registration (before and/or after the tomographic reconstruction) are critical. We show in this paper the comparison of two different data processing strategies and conclude that the signal to noise ratio (S/N) in the final result can be improved via performing tomographic reconstruction prior to the evaluation of energy dependence. Our result echoes the dose fractionation theorem, and is particularly helpful when the element of interest has low concentration.",

keywords = "Tomography, Transmission X-ray microscopy",

author = "Yijin Liu and Cats, {Korneel H.} and Weker, {Johanna Nelson} and Andrews, {Joy C.} and Weckhuysen, {Bert M.} and Piero Pianetta",

year = "2013",

month = oct,

day = "5",

doi = "10.1117/12.2026436",

language = "English",

isbn = "9780819497017",

volume = "8851",

booktitle = "X-Ray Nanoimaging",

publisher = "SPIE",

address = "United States",

note = "X-Ray Nanoimaging: Instruments and Methods ; Conference date: 28-08-2013 Through 29-08-2013",

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TY - GEN

T1 - Data-processing strategies for nano-tomography with elemental specification

AU - Liu, Yijin

AU - Cats, Korneel H.

AU - Weker, Johanna Nelson

AU - Andrews, Joy C.

AU - Weckhuysen, Bert M.

AU - Pianetta, Piero

PY - 2013/10/5

Y1 - 2013/10/5

N2 - Combining the energy tunability provided by synchrotron X-ray sources with transmission X-ray microscopy, the morphology of materials can be resolved in 3D at spatial resolution down to 30 nm with elemental/chemical specification. In order to study the energy dependence of the absorption coefficient over the investigated volume, the tomographic reconstruction and image registration (before and/or after the tomographic reconstruction) are critical. We show in this paper the comparison of two different data processing strategies and conclude that the signal to noise ratio (S/N) in the final result can be improved via performing tomographic reconstruction prior to the evaluation of energy dependence. Our result echoes the dose fractionation theorem, and is particularly helpful when the element of interest has low concentration.

AB - Combining the energy tunability provided by synchrotron X-ray sources with transmission X-ray microscopy, the morphology of materials can be resolved in 3D at spatial resolution down to 30 nm with elemental/chemical specification. In order to study the energy dependence of the absorption coefficient over the investigated volume, the tomographic reconstruction and image registration (before and/or after the tomographic reconstruction) are critical. We show in this paper the comparison of two different data processing strategies and conclude that the signal to noise ratio (S/N) in the final result can be improved via performing tomographic reconstruction prior to the evaluation of energy dependence. Our result echoes the dose fractionation theorem, and is particularly helpful when the element of interest has low concentration.

KW - Tomography

KW - Transmission X-ray microscopy

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U2 - 10.1117/12.2026436

DO - 10.1117/12.2026436

M3 - Conference contribution

AN - SCOPUS:84888139732

SN - 9780819497017

VL - 8851

BT - X-Ray Nanoimaging

PB - SPIE

T2 - X-Ray Nanoimaging: Instruments and Methods

Y2 - 28 August 2013 through 29 August 2013

ER -

Data-processing strategies for nano-tomography with elemental specification

Abstract

Conference

Keywords

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