USE OF <font>Si</font>-PIN PHOTODIODE X-RAY DETECTOR FOR PIXE

Inoue, Jiro; Iwasaki, S.; Murozono, K.; Ishii, K.; Matsuyama, S.

doi:10.1142/s0129083596000156

Int. J. PIXE

1996

DOI: 10.1142/s0129083596000156

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USE OF Si-PIN PHOTODIODE X-RAY DETECTOR FOR PIXE

Jiro Inoue¹,

S. Iwasaki²,

K. Murozono³

et al.

Abstract: Si-PIN photodiode type detector is one of the X-ray detectors which have recently shown significant improvement in resolution of FWHM of 250 eV at 5.9 keV which is worse only by 130 eV than that of a conventional type Si(Li) detector. The remarkable advantages of the SPINP detector are high operability with the thermoelectric cooling system and low voltage bias, and small volume including the preamplifier system. It is found that SPINP detector is applicable to the X-ray spectrometry and also PIXE in the X-ray… Show more

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Elemental Pixe Analysis of Oolong Tea

et al. 2008

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The contamination of heavy metals in food becomes a serious problem. We analyzed oolong tea from different production areas by PIXE using very simple sample preparation and examined trace elements contained in these samples. From the results of this experiment, we could know oolong tea which analyzed in this experiment contains various minerals such as K, Ca, P, S, Cl, Fe, Mn, Cu and Cr but not toxic element of As which detection limit of PIXE was lower than the standard values given by the food hygiene law in Japan.

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Elemental Pixe Analysis of Oolong Tea

et al. 2008

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Use of a silicon drift detector (SDD) in the quantitative analysis of in-air PIXE

et al. 2016

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In the present study, we used a silicon drift detector (SDD) for the quantitative analysis of in-air PIXE. First, we examined the basic performances of the detector. We found that the shift of the peak position was less than 0.45 eV, and the energy resolution was 130–136 eV at 5.98 keV. We then used the SDD for a quantitative analysis. Physical parameters, such as the X-ray production cross-sections, values of the transmission of X-rays through absorbers and the detection efficiencies, which are required for quantification, were obtained theoretically and experimentally. We confirmed that many elements, from magnesium to barium, were able to be detected without using any special device. The results of the quantitative analyses of a few standard materials showed good agreement with the certified values. This method was also used to analyze practical samples, including bio-medical samples, and the results were in good agreement with the results obtained with in-vacuum PIXE.

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USE OF Si-PIN PHOTODIODE X-RAY DETECTOR FOR PIXE

Cited by 2 publications

References 0 publications

Elemental Pixe Analysis of Oolong Tea

Elemental Pixe Analysis of Oolong Tea

Use of a silicon drift detector (SDD) in the quantitative analysis of in-air PIXE

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