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Geochronometria
Volume 44 (2017): Issue 1 (January 2017)
Open Access
Cathodoluminescence of synthetic zircon implanted by He
+
ion
Yuta Tsuchiya
Yuta Tsuchiya
,
Masahiro Kayama
Masahiro Kayama
,
Hirotsugu Nishido
Hirotsugu Nishido
and
Yousuke Noumi
Yousuke Noumi
| Jun 01, 2017
Geochronometria
Volume 44 (2017): Issue 1 (January 2017)
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Published Online:
Jun 01, 2017
Page range:
129 - 135
Received:
Mar 14, 2016
Accepted:
Jan 20, 2017
DOI:
https://doi.org/10.1515/geochr-2015-0054
Keywords
cathodoluminescence
,
zircon
,
He ion implantation
,
radiation damage
,
metamict
© 2016 Y. Tsuchiya.
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.
Figure 1
CL spectrum of synthetic zircon (SZ) after total instrumental correction operated at 0.1 nA in a scanning mode.
Figure 2
Deconvolution of the CL spectra in energy units obtained from SZ by using a Gaussian curve fitting. Measured spectrum shown by a black solid line; deconvoluted components by broken lines of blue one in the blue region and orange one in the yellow region; sum of the components by the red dotted line.
Figure 3
Color CL images of unimplanted (top) and He+ ion-implanted (bottom) SZ samples at 2.14×10–3 C/cm2.
Figure 4
CL spectra of unimplanted and He+ ion-implanted SZ samples at 2.23×10–5 C/cm2 to 2.14×10–3 C/cm2.
Figure 5
Spectral deconvolution of the CL spectra in energy units obtained from implanted samples at (a) He+ ion-implanted at 2.23×10–5 C/cm2 and (b) at 2.14×10–3 C/cm2 by using a Gaussian curve fitting. Measured spectrum shown by a black solid line; deconvoluted components by broken lines of blue one in the blue region and orange one in the yellow region; sum of the components by the red dotted line.
Figure 6
Spectral deconvolution of the CL spectra in energy units from Malawi zircon by using a Gaussian curve fitting. Measured spectrum shown by a black solid line; deconvoluted components by broken lines of green one for REE activations and orange one in the yellow region; sum of the components by the red dotted line.
Figure 7
A plot of integral CL intensities of emission components at (a) 1.96 eV, (b) 2.16 eV and (c) 3.26 eV against radiation dose (C/cm2) for unimplanted and He+ ion-implanted samples at 2.23×10–5 C/cm2 to 2.14×10–3 C/cm2.