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Title: Measurements of the ultrasonic-attenuation and velocity variation in neutron-irradiated quartz for an intermediate dose of 2.6 x 10(19) n/cm2
Authors: Keppens, Veerle
Laermans, C #
Issue Date: Mar-1992
Publisher: Elsevier science bv
Series Title: Nuclear instruments & methods in physics research section b-beam interactions with materials and atoms vol:65 issue:1-4 pages:223-227
Abstract: Ultrasonic measurements in neutron-irradiated quartz are carried out for an intermediate dose of 2.6 x 10(19) n/cm2. The variation of the velocity of sound has been measured and previous attenuation measurements are extended to temperatures below 1.2 K. The TS-parameters PBAR and gamma(1) are calculated from numerical fittings to the tunneling model. The obtained values continue the tendency of previous measurements for lower neutron doses, where a linear increase of PBAR with the dose was found. This behaviour, however, is not followed by a higher dose, situated near the "threshold regime".
ISSN: 0168-583X
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Semiconductor Physics Section
# (joint) last author

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