Comparison Between Point Defect Generation by gamma-rays in Bulk and Fibre Samples of High Purity Amorphous SiO2”

Simonpietro Agnello, Laura Nuccio, Laurent Dusseau, Benoit Brichard

Risultato della ricerca: Article

2 Citazioni (Scopus)

Abstract

We compare the E', H(I) and Si-ODC(II) contents in a low-OH high-purity a-SiO2 both in bulk and fibre forms. The investigation includes the effects of hydrogen loading of the fibre. We found that the H(I) centre appears during irradiation and that its concentration tends to increase with the dose in fibers impregnated with molecular hydrogen. For the hydrogen-treated fibers, no experimental repeatability could be found in the measurements of E' and Si-ODC(II) although an acceptable agreement was still found in non-hydrogenated samples. This result suggests a possible complex reaction mechanisms under gamma radiation when the glass has a hydrogen excess.
Lingua originaleEnglish
pagine (da-a)2121-2125
Numero di pagine5
RivistaIEEE Transactions on Nuclear Science
Volume55
Stato di pubblicazionePublished - 2008

Fingerprint

Point defects
Gamma rays
point defects
purity
gamma rays
Hydrogen
fibers
Fibers
hydrogen
Irradiation
Glass
dosage
irradiation
glass

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics
  • Electrical and Electronic Engineering
  • Nuclear Energy and Engineering

Cita questo

@article{f927c8aa0f74486aaea4704ca60db94c,
title = "Comparison Between Point Defect Generation by gamma-rays in Bulk and Fibre Samples of High Purity Amorphous SiO2”",
abstract = "We compare the E', H(I) and Si-ODC(II) contents in a low-OH high-purity a-SiO2 both in bulk and fibre forms. The investigation includes the effects of hydrogen loading of the fibre. We found that the H(I) centre appears during irradiation and that its concentration tends to increase with the dose in fibers impregnated with molecular hydrogen. For the hydrogen-treated fibers, no experimental repeatability could be found in the measurements of E' and Si-ODC(II) although an acceptable agreement was still found in non-hydrogenated samples. This result suggests a possible complex reaction mechanisms under gamma radiation when the glass has a hydrogen excess.",
author = "Simonpietro Agnello and Laura Nuccio and Laurent Dusseau and Benoit Brichard",
year = "2008",
language = "English",
volume = "55",
pages = "2121--2125",
journal = "IEEE Transactions on Nuclear Science",
issn = "0018-9499",
publisher = "Institute of Electrical and Electronics Engineers Inc.",

}

TY - JOUR

T1 - Comparison Between Point Defect Generation by gamma-rays in Bulk and Fibre Samples of High Purity Amorphous SiO2”

AU - Agnello, Simonpietro

AU - Nuccio, Laura

AU - Dusseau, Laurent

AU - Brichard, Benoit

PY - 2008

Y1 - 2008

N2 - We compare the E', H(I) and Si-ODC(II) contents in a low-OH high-purity a-SiO2 both in bulk and fibre forms. The investigation includes the effects of hydrogen loading of the fibre. We found that the H(I) centre appears during irradiation and that its concentration tends to increase with the dose in fibers impregnated with molecular hydrogen. For the hydrogen-treated fibers, no experimental repeatability could be found in the measurements of E' and Si-ODC(II) although an acceptable agreement was still found in non-hydrogenated samples. This result suggests a possible complex reaction mechanisms under gamma radiation when the glass has a hydrogen excess.

AB - We compare the E', H(I) and Si-ODC(II) contents in a low-OH high-purity a-SiO2 both in bulk and fibre forms. The investigation includes the effects of hydrogen loading of the fibre. We found that the H(I) centre appears during irradiation and that its concentration tends to increase with the dose in fibers impregnated with molecular hydrogen. For the hydrogen-treated fibers, no experimental repeatability could be found in the measurements of E' and Si-ODC(II) although an acceptable agreement was still found in non-hydrogenated samples. This result suggests a possible complex reaction mechanisms under gamma radiation when the glass has a hydrogen excess.

UR - http://hdl.handle.net/10447/36257

M3 - Article

VL - 55

SP - 2121

EP - 2125

JO - IEEE Transactions on Nuclear Science

JF - IEEE Transactions on Nuclear Science

SN - 0018-9499

ER -