Time-resolved Mossbauer spectra obtained after 57Mn implantation in Si

被引：1
|
作者：
Kobayashi, Y. [1 ,2 ]
Mihara, M. [3 ]
Nagatomo, T. [2 ,4 ]
Yamada, Y. [5 ]
Kubo, M. K. [6 ]
Miyazaki, J. [7 ]
Sato, W. [8 ]
Sato, S. [9 ]
Kitagawa, A. [9 ]
机构：
[1] Univ Electrocommun, Grad Sch Engn Sci, Chofu, Tokyo 1828585, Japan
[2] RIKEN, Nishina Ctr Accelerator Based Sci, Wako, Saitama 3510198, Japan
[3] Osaka Univ, Grad Sch Sci, Toyonaka, Osaka 5600043, Japan
[4] KEK, J PARC Ctr, Tokai, Ibaraki 3191195, Japan
[5] Tokyo Univ Sci, Dept Chem, Shinjuku Ku, Tokyo 1628602, Japan
[6] Int Christian Univ, Div Arts & Sci, Mitaka, Tokyo 1818585, Japan
[7] Nihon Univ, Coll Ind Technol, Narashino, Chiba 2758576, Japan
[8] Kanazawa Univ, Depertment Chem, Kanazawa, Ishikawa 9201192, Japan
[9] NIRS, Inage Ku, Chiba 2638555, Japan
来源：
HYPERFINE INTERACTIONS | 2014年 / 226卷 / 1-3期
关键词：
In-beam Mossbauer spectroscopy; Ion implantation; Radioactive Mn-57 beam; beta - gamma coincidence method; Time-resolved Mossbauer spectroscopy; EMISSION-SPECTROSCOPY; FE-57;
D O I：
10.1007/s10751-013-0949-8
中图分类号：
O64 [物理化学（理论化学）、化学物理学]; O56 [分子物理学、原子物理学];
学科分类号：
070203 ; 070304 ; 081704 ; 1406 ;
摘要：
A new detector system for the coincidence technique between Mossbauer gamma-rays and energetic beta-rays originating from Mn-57 has been developed for in-beam Mossbauer spectroscopy using Mn-57 implantation. This system enables time-resolved Mossbauer measurements of Fe-57 at various elapsed times after beta (-)-decay of Mn-57 with sufficient quality. We applied this system to the time-dependent measurement of the site distributions of dilute Fe atoms in n-type Si. It was suggested that Fe atoms were already located at substitutional and interstitial positions in Si within a time of about 100 ns after the beta (-)-decay of Mn-57, and that the occupancy ratio between these positions was hardly dependent on the elapsed time after the beta (-)-decay.
引用
收藏
页码：679 / 685
页数：7
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