1980
DOI: 10.1016/0022-3115(80)90181-6
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Trapping, detrapping and replacement of keV hydrogen implanted into graphite

Abstract: Trappin g and detrapp ing of low energy hydroge n isotope s in graphi te is relevan t to the collect ion of fuel partic les in graphi te probes for diagno stics of particl e fluxes and energie s in the plasma bounda ry layer, and to therec vclino of fuel partic les. The measure mept of saturat ion concen tration s by c(. profili ng of D may be influen ced by detrapp ing of deuteri um by the analyzi ng 3He-bea m.

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Cited by 123 publications
(21 citation statements)
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“…Measurements have been reported around three decades ago for the isotopic replacement of deuterium implanted in several low-Z refractory materials (C, Si, B 4 C, TiC, VB 2 , TiB 2 , and B) at room temperature [5,6,7,8,9] and elevated temperatures [10], as well as in 316 stainless steel at 153 K [11], during subsequent irradiation with protium ions. The observed isotope exchange behavior is in a good agreement with the local mixing model [5] based on the depth dependence of the implanted ions and the experimentally determined hydrogen saturation concentrations.…”
Section: Introductionmentioning
confidence: 99%
“…Measurements have been reported around three decades ago for the isotopic replacement of deuterium implanted in several low-Z refractory materials (C, Si, B 4 C, TiC, VB 2 , TiB 2 , and B) at room temperature [5,6,7,8,9] and elevated temperatures [10], as well as in 316 stainless steel at 153 K [11], during subsequent irradiation with protium ions. The observed isotope exchange behavior is in a good agreement with the local mixing model [5] based on the depth dependence of the implanted ions and the experimentally determined hydrogen saturation concentrations.…”
Section: Introductionmentioning
confidence: 99%
“…This is true even when the initial surface is consistent with amorphous carbon that has been fully saturated with hydrogen. [25] The detailed evolution of the surface composition is complex, however, and depends on the initial surface.…”
Section: Resultsmentioning
confidence: 99%
“…Первые эксперименты по изотопному обмену водорода в процессе последовательного облучения ионами дейтерия и протия были проведены в жаростойких материалах с невысоким атомным номером (C, Si, B 4 C, TiC, VB 2 , TiB 2 и B) при комнатной температуре [5][6][7][8][9] и повышенной температуре [10], а также в стали AISI 316 при 153 K [11]. Наблюдаемый в этих экспериментах изотопный обмен хорошо опи-сывается моделью локального смешивания [5], учитывающей глубину внедрения изотопов водорода и концентрацию насыщения изотопами водорода.…”
Section: Introductionunclassified