Detecting sp2-bonded carbon in diamond using optically detected X-ray absorption spectroscopy

G. O. Jones; O. R. Roberts; G. T. Williams; D. P. Langstaff; N. R. J. Poolton; P. Martineau; D. Fisher; S. Lawson; D. A. Evans

doi:10.1017/S2044820110000936

Detecting sp2-bonded carbon in diamond using optically detected X-ray absorption spectroscopy

G. O. Jones, O. R. Roberts, G. T. Williams, D. P. Langstaff, N. R. J. Poolton, P. Martineau, D. Fisher, S. Lawson, D. A. Evans

Department of Physics

Research output: Chapter in Book/Report/Conference proceeding › Conference Proceeding (Non-Journal item)

Abstract

Optically detected X-ray absorption spectroscopy (ODXAS) and X-ray excited optical luminescence (XEOL) have been applied in parallel to the study of local bonding in luminescent diamonds. Imaging ODXAS and XEOL reveal correlations between lateral variation in colour (transmitted light and luminescence) and local carbon bonding in selected samples showing strong optical absorption contrast. Dark regions of the crystals viewed in transmitted light correlate with a lower total luminescence yield when excited with soft X-rays of photon energy ~280 eV. ODXAS reveals a higher proportion of sp2-bonded carbon species in darker (less luminescent) regions associated with graphitic micro-inclusions.

Original language	English
Title of host publication	Diamond Conference Proceeedings
Pages	e131
Volume	1
DOIs	https://doi.org/10.1017/S2044820110000936
Publication status	Published - 01 Apr 2011

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@inproceedings{d077991b0b9d46eaa129ea7ab882e741,

title = "Detecting sp2-bonded carbon in diamond using optically detected X-ray absorption spectroscopy",

abstract = "Optically detected X-ray absorption spectroscopy (ODXAS) and X-ray excited optical luminescence (XEOL) have been applied in parallel to the study of local bonding in luminescent diamonds. Imaging ODXAS and XEOL reveal correlations between lateral variation in colour (transmitted light and luminescence) and local carbon bonding in selected samples showing strong optical absorption contrast. Dark regions of the crystals viewed in transmitted light correlate with a lower total luminescence yield when excited with soft X-rays of photon energy ~280 eV. ODXAS reveals a higher proportion of sp2-bonded carbon species in darker (less luminescent) regions associated with graphitic micro-inclusions.",

author = "Jones, {G. O.} and Roberts, {O. R.} and Williams, {G. T.} and Langstaff, {D. P.} and Poolton, {N. R. J.} and P. Martineau and D. Fisher and S. Lawson and Evans, {D. A.}",

year = "2011",

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day = "1",

doi = "10.1017/S2044820110000936",

language = "English",

volume = "1",

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booktitle = "Diamond Conference Proceeedings",

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TY - GEN

T1 - Detecting sp2-bonded carbon in diamond using optically detected X-ray absorption spectroscopy

AU - Jones, G. O.

AU - Roberts, O. R.

AU - Williams, G. T.

AU - Langstaff, D. P.

AU - Poolton, N. R. J.

AU - Martineau, P.

AU - Fisher, D.

AU - Lawson, S.

AU - Evans, D. A.

PY - 2011/4/1

Y1 - 2011/4/1

N2 - Optically detected X-ray absorption spectroscopy (ODXAS) and X-ray excited optical luminescence (XEOL) have been applied in parallel to the study of local bonding in luminescent diamonds. Imaging ODXAS and XEOL reveal correlations between lateral variation in colour (transmitted light and luminescence) and local carbon bonding in selected samples showing strong optical absorption contrast. Dark regions of the crystals viewed in transmitted light correlate with a lower total luminescence yield when excited with soft X-rays of photon energy ~280 eV. ODXAS reveals a higher proportion of sp2-bonded carbon species in darker (less luminescent) regions associated with graphitic micro-inclusions.

AB - Optically detected X-ray absorption spectroscopy (ODXAS) and X-ray excited optical luminescence (XEOL) have been applied in parallel to the study of local bonding in luminescent diamonds. Imaging ODXAS and XEOL reveal correlations between lateral variation in colour (transmitted light and luminescence) and local carbon bonding in selected samples showing strong optical absorption contrast. Dark regions of the crystals viewed in transmitted light correlate with a lower total luminescence yield when excited with soft X-rays of photon energy ~280 eV. ODXAS reveals a higher proportion of sp2-bonded carbon species in darker (less luminescent) regions associated with graphitic micro-inclusions.

UR - http://hdl.handle.net/2160/9902

U2 - 10.1017/S2044820110000936

DO - 10.1017/S2044820110000936

M3 - Conference Proceeding (Non-Journal item)

VL - 1

SP - e131

BT - Diamond Conference Proceeedings

ER -

Detecting sp2-bonded carbon in diamond using optically detected X-ray absorption spectroscopy

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