Published January 15, 2014
| Version v1
Journal article
Radiation stability of SiO2 micro- and nanopowders under electron and proton exposure
- 1. Science and Technology on Material Performance Evaluating in Space Environment Laboratory, Harbin Institute of Technology, Harbin, Heilongjiang Province 150001 (China)
- 2. Radiation and Space Materials Laboratory, Tomsk State University of Control Systems and Radio-electronics, Tomsk, Tomsk Region 634050 (Russian Federation)
- 3. Space Materials Laboratory, Amur State University, Blagoveshchensk, Amur Region 675027 (Russian Federation)
Description
The effects of proton and electron (E = 100 keV, F = 5 × 1015 cm−2) exposure on the reflective spectra of SiO2 micro- and nanopowders in wavelength range from 250 to 2500 nm have been investigated. It has been established that the reflectance and radiation stability of nanopowders is less than that of micropowders. This effect is caused by the high concentration of radiation defects, which act as surface absorption centers (Es′ centers) near the energies 5.47 and 4.45 eV, and peroxide silicon defects (≡Si-O-O-Si≡) near the energy 3.84 eV
Availability note (English)
Available from http://dx.doi.org/10.1016/j.nimb.2013.11.007Additional details
Identifiers
- DOI
- 10.1016/j.nimb.2013.11.007;
- PII
- S0168-583X(13)01145-2;
Publishing Information
- Journal Title
- Nuclear Instruments and Methods in Physics Research. Section B, Beam Interactions with Materials and Atoms
- Journal Volume
- 319
- Journal Page Range
- p. 123-127
- ISSN
- 0168-583X
- CODEN
- NIMBEU
INIS
- Country of Publication
- Netherlands
- Country of Input or Organization
- International Atomic Energy Agency (IAEA)
- INIS RN
- 45070725
- Subject category
- S77: NANOSCIENCE AND NANOTECHNOLOGY;
- Descriptors DEI
- CONCENTRATION RATIO; ELECTRONS; EV RANGE; NANOSTRUCTURES; POWDERS; PROTONS; SILICA; SILICON; SILICON OXIDES; SPECTRA; STABILITY; WAVELENGTHS
- Descriptors DEC
- BARYONS; CHALCOGENIDES; DIMENSIONLESS NUMBERS; ELEMENTARY PARTICLES; ELEMENTS; ENERGY RANGE; FERMIONS; HADRONS; LEPTONS; MINERALS; NUCLEONS; OXIDE MINERALS; OXIDES; OXYGEN COMPOUNDS; SEMIMETALS; SILICON COMPOUNDS
Optional Information
- Copyright
- Copyright (c) 2013 Elsevier Science B.V., Amsterdam, The Netherlands, All rights reserved.