Radiation Damage in bcc Metal Nb Studied by Perturbed Angular Correlation and Positron Annihilation Techniques
ZHU Shengyun, ZHENG Shengnan, LI Anli, HUANG Hanchen, LI Donghong, XU Guoji
China Institute of Atomic Energy, Beijing 102413
Radiation Damage in bcc Metal Nb Studied by Perturbed Angular Correlation and Positron Annihilation Techniques
ZHU Shengyun;ZHENG Shengnan;LI Anli;HUANG Hanchen;LI Donghong;XU Guoji
China Institute of Atomic Energy, Beijing 102413
关键词 ：
61.80.-x
Abstract ： 9 The radiation damage induced by the reactor neutrons in body-centered-cubic metal Nb is simulated by the 81 MeV carbon irradiation to a total dose of 2.5x1016 /cm2 . The created radiation damage and its thermal annealing behavior are studied by positron annihilation and perturbed angular correlation techniques. The results show the existence of both mono- and di-vacancies in Nb after the irradiation. Most of the defects caused by the radiation damage disappear after annealing around 960K. The radiation damage is completely annealed at 1058K.
Key words ：
61.80.-x
出版日期: 1992-12-01
:
61.80.-x
(Physical radiation effects, radiation damage)
引用本文:
ZHU Shengyun;ZHENG Shengnan;LI Anli;HUANG Hanchen;LI Donghong;XU Guoji
. Radiation Damage in bcc Metal Nb Studied by Perturbed Angular Correlation and Positron Annihilation Techniques
[J]. 中国物理快报, 1992, 9(12): 656-658.
链接本文:
https://cpl.iphy.ac.cn/CN/
或
https://cpl.iphy.ac.cn/CN/Y1992/V9/I12/656
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