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

页码：679 / 685

页数：7

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