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Title: Studies of interaction between He and elements with mass number 140 in Fe by time-differential perturbed-angular-correlation measurements
Authors: Ohkubo, Yoshitaka  kyouindb  KAKEN_id
Taniguchi, Akihiro  kyouindb  KAKEN_id
Xu, Qiu  kyouindb  KAKEN_id
Tanigaki, Minoru  kyouindb  KAKEN_id
Sato, Koichi
Author's alias: 大久保, 嘉高
Keywords: He
Ce
ion implantation
Fe
defects
TDPAC spectra
Issue Date: 9-Jun-2014
Publisher: Taylor & Francis Group
Journal title: Philosophical Magazine Letters
Volume: 94
Issue: 8
Start page: 470
End page: 477
Abstract: Room-temperature time-differential perturbed-angular-correlation (TDPAC) spectra of [140]Ce arising through [140]Ba-[140]La from [140]Cs in He-doped Fe, unannealed and annealed in vacuum at various temperatures, were obtained in order to examine whether Ce (or rather, La and Ba) and He form complexes having a definite geometrical structure in Fe, as suggested by first-principles density-functional theory calculations. No clear signal of such complexes was observed in the TDPAC spectra. However, the TDPAC spectra indicate that Ce and He form complexes having a variety of geometrical structures. Comparison with reported TDPAC results on [111]Cd arising from [111]In in He-doped stainless steel shows that the parent atoms (La and Ba) of [140]Ce trap He atoms more efficiently than In atoms do, indicating stronger bonding of He to the former atoms, while different from the present case, [111]Cd (In)–He complexes form a unique geometrical structure.
Rights: This is an Accepted Manuscript of an article published by Taylor & Francis in 'Philosophical Magazine Letters' (2014), available online: http://www.tandfonline.com/10.1080/09500839.2014.926035.
The full-text file will be made open to the public on 9 June 2016 in accordance with publisher's 'Terms and Conditions for Self-Archiving'.
This is not the published version. Please cite only the published version. この論文は出版社版でありません。引用の際には出版社版をご確認ご利用ください。
URI: http://hdl.handle.net/2433/201956
DOI(Published Version): 10.1080/09500839.2014.926035
Appears in Collections:Journal Articles

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