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Abstract

Radiation damage to borosilicate glass has been studied using a high voltage electron microscope to simultaneously generate and image structural changes. At low doses and dose rates (phi <or= 5 x 10**24 electrons m**-2, F <or= 5 x 10**22 el m**-2 s**-1), ionic depletion generates a new crystalline phase rich in SiO-2. For incubation doses exceeding 5 x 10**24 electrons m**-2, gas bubbles are observed. High damage rates are necessary for bubble nucleation though not for their subsequent growth. The critical nucleation flux increases rapidly with irradiation temperature, whereas the gas precipitation efficiency remains constant above 300 K.

Additional information

Authors: ANTONINI M, GNSM AND ISTITUTO DI FISICA DELL'UNIVERSITA DI MODENA (ITALY);JRC ISPRA ESTAB. (ITALY);ATOMIC ENERGY RESEARCH ESTABLISHMENT, HARWELL (UK);MANARA A, GNSM AND ISTITUTO DI FISICA DELL'UNIVERSITA DI MODENA (ITALY);JRC ISPRA ESTAB. (ITALY);ATOMIC ENERGY RESEARCH ESTABLISHMENT, HARWELL (UK);BUCKLEY S N, GNSM AND ISTITUTO DI FISICA DELL'UNIVERSITA DI MODENA (ITALY);JRC ISPRA ESTAB. (ITALY);ATOMIC ENERGY RESEARCH ESTABLISHMENT, HARWELL (UK);MANTHORPE S A GNSM AND ISTITUTO DI FISICA DELL'UNIVERSITA DI MODENA (ITALY), GNSM AND ISTITUTO DI FISICA DELL'UNIVERSITA DI MODENA (ITALY);JRC ISPRA ESTAB. (ITALY);ATOMIC ENERGY RESEARCH ESTABLISHMENT, HARWELL (UK);JRC ISPRA ESTAB. (ITALY), GNSM AND ISTITUTO DI FISICA DELL'UNIVERSITA DI MODENA (ITALY);JRC ISPRA ESTAB. (ITALY);ATOMIC ENERGY RESEARCH ESTABLISHMENT, HARWELL (UK);ATOMIC ENERGY RESEARCH ESTABLISHMENT, HARWELL (UK), GNSM AND ISTITUTO DI FISICA DELL'UNIVERSITA DI MODENA (ITALY);JRC ISPRA ESTAB. (ITALY);ATOMIC ENERGY RESEARCH ESTABLISHMENT, HARWELL (UK)
Bibliographic Reference: JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS, VOL. 46 (1985), NO. 3, PP. 287-296
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