In-beam Mossbauer spectra of 57Mn implanted into lithium aluminum hydride

被引:1
|
作者
Sato, Yukiko [1 ]
Yamada, Yasuhiro [1 ]
Kobayashi, Yoshio [2 ,3 ]
Kubo, M. Kenya [4 ]
Mihara, Mototsugu [5 ]
Sato, Wataru [6 ]
Miyazaki, Jun [7 ]
Nagatomo, Takashi [2 ]
Ando, Takatoshi [2 ]
Takahama, Noriko [2 ]
Some, Kanako [2 ]
Sato, Masami [2 ]
Sato, Shinji [8 ]
Kitagawa, Atsushi [8 ]
机构
[1] Tokyo Univ Sci, Dept Chem, Shinjuku Ku, Tokyo, Japan
[2] Univ Electrocommun, Grad Sch Engn Sci, Chofu, Tokyo, Japan
[3] RIKEN, Nishina Ctr Accelerator Based Sci, Wako, Saitama, Japan
[4] Int Christian Univ, Coll Liberal Arts, Mitaka, Tokyo, Japan
[5] Osaka Univ, Grad Sch Sci, Toyonaka, Osaka, Japan
[6] Kanazawa Univ, Inst Sci & Engn, Kanazawa, Ishikawa, Japan
[7] Tokyo Denki Univ, Sch Engn, Adachi Ku, Tokyo, Japan
[8] Natl Inst Radiol Sci, Inage Ku, Chiba, Japan
关键词
In-beam Mossbauer spectroscopy; Manganese-57; Lithium aluminum hydride; Iron hydride; Density functional theory calculations;
D O I
10.1016/j.apradiso.2020.109582
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
In-beam Mossbauer spectra of Mn-57 implanted into LiAlH4 were measured at different temperatures between 17 and 300 K. The Mossbauer spectrum measured at 17 K showed two sets of doublets, which were assigned to Fe-57 atoms at substitutional sites at Al3+ and Li+ sites. The Debye temperatures theta(M) for the Fe-57 atoms at Al3+-substituted and Li+-substituted sites were estimated to be 194 K and 117 K, respectively. The assignments were confirmed by density functional theory calculations.
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收藏
页数:7
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