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A novel method to remove the background from x-ray diffraction signal

Zheng, Y; Speller, R; Griffiths, J; (2018) A novel method to remove the background from x-ray diffraction signal. Physics in Medicine & Biology , 63 (6) 10.1088/1361-6560/aaac9e.

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Abstract

The first step that is required to extract the correct information from a two-dimensional (2D) diffraction signature is to remove the background accurately. However, direct background subtraction inevitably overcorrects the signal as it does not take into account the attenuation by the sample. Other traditional background removal methods, such as the rolling ball technique, can separate sharp diffraction peaks of crystalline materials from their background. These methods are unsuitable for biological tissue, which is amorphous and does not have sharp diffraction peaks. This technical note proposes a novel method that combines peak fitting and experimental results to estimate the background for 2D XRD signals.

Type: Article
Title: A novel method to remove the background from x-ray diffraction signal
Location: England
DOI: 10.1088/1361-6560/aaac9e
Publisher version: http://dx.doi.org/10.1088/1361-6560/aaac9e
Language: English
Additional information: This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions.
Keywords: 2D XRD, X-ray diffraction, background removal.
UCL classification: UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Med Phys and Biomedical Eng
UCL > Provost and Vice Provost Offices > VP Education
UCL > Provost and Vice Provost Offices > VP Education > UCL Arena Centre
URI: http://discovery.ucl.ac.uk/id/eprint/10043386
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