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Micro-crystalline inclusions analysis by PIXE and RBS

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Title: Micro-crystalline inclusions analysis by PIXE and RBS
Authors: Strivay, D.1,2 dstrivay@ulg.ac.be, Ramboz, C.2, Gallien, J.-P.3, Grambole, D.4, Sauvage, T.5, Kouzmanov, K.2,6
Source: Nuclear Instruments & Methods in Physics Research Section B. May2008, Vol. 266 Issue 10, p2375-2378. 4p.
Subjects: Particles (Nuclear physics), Minerals, Proton-induced X-ray emission, Microprobe analysis
Abstract: Abstract: A characteristic feature of the nuclear microprobe using a 3MeV proton beam is the long range of particles (around 70μm in light matrices). The PIXE method, with EDS analysis and using the multilayer approach for treating the X-ray spectrum allows the chemistry of an intra-crystalline inclusion to be measured, provided the inclusion roof and thickness at the impact point of the beam (Z and e, respectively) are known (the depth of the inclusion floor is Z + e). The parameter Z of an inclusion in a mineral can be measured with a precision of around 1μm using a motorized microscope. However, this value may significantly depart from Z if the analyzed inclusion has a complex shape. The parameter e can hardly be measured optically. By using combined RBS and PIXE measurements, it is possible to obtain the geometrical information needed for quantitative elemental analysis. This paper will present measurements on synthetic samples to investigate the advantages of the technique, and also on natural solid and fluid inclusions in quartz. The influence of the geometrical parameters will be discussed with regard to the concentration determination by PIXE. In particular, accuracy of monazite micro-inclusion dating by coupled PIXE–RBS will be presented. [Copyright &y& Elsevier]
Copyright of Nuclear Instruments & Methods in Physics Research Section B is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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DbLabel: Engineering Source
An: 32503529
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  Data: Micro-crystalline inclusions analysis by PIXE and RBS
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  Data: <searchLink fieldCode="JN" term="%22Nuclear+Instruments+%26+Methods+in+Physics+Research+Section+B%22">Nuclear Instruments & Methods in Physics Research Section B</searchLink>. May2008, Vol. 266 Issue 10, p2375-2378. 4p.
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  Data: <searchLink fieldCode="DE" term="%22Particles+%28Nuclear+physics%29%22">Particles (Nuclear physics)</searchLink><br /><searchLink fieldCode="DE" term="%22Minerals%22">Minerals</searchLink><br /><searchLink fieldCode="DE" term="%22Proton-induced+X-ray+emission%22">Proton-induced X-ray emission</searchLink><br /><searchLink fieldCode="DE" term="%22Microprobe+analysis%22">Microprobe analysis</searchLink>
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  Data: Abstract: A characteristic feature of the nuclear microprobe using a 3MeV proton beam is the long range of particles (around 70μm in light matrices). The PIXE method, with EDS analysis and using the multilayer approach for treating the X-ray spectrum allows the chemistry of an intra-crystalline inclusion to be measured, provided the inclusion roof and thickness at the impact point of the beam (Z and e, respectively) are known (the depth of the inclusion floor is Z + e). The parameter Z of an inclusion in a mineral can be measured with a precision of around 1μm using a motorized microscope. However, this value may significantly depart from Z if the analyzed inclusion has a complex shape. The parameter e can hardly be measured optically. By using combined RBS and PIXE measurements, it is possible to obtain the geometrical information needed for quantitative elemental analysis. This paper will present measurements on synthetic samples to investigate the advantages of the technique, and also on natural solid and fluid inclusions in quartz. The influence of the geometrical parameters will be discussed with regard to the concentration determination by PIXE. In particular, accuracy of monazite micro-inclusion dating by coupled PIXE–RBS will be presented. [Copyright &y& Elsevier]
– Name: AbstractSuppliedCopyright
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  Data: <i>Copyright of Nuclear Instruments & Methods in Physics Research Section B is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1016/j.nimb.2008.03.068
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        Text: English
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      – SubjectFull: Minerals
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      – SubjectFull: Proton-induced X-ray emission
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      – SubjectFull: Microprobe analysis
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              Text: May2008
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