161Dy synchrotron-radiation-based Mossbauer absorption spectroscopy

被引：0

作者：

Masuda, Ryo ^{[1
,2
]}

Kitao, Shinji ^{[3
]}

Tajima, Hiroyuki ^{[3
]}

Taniguchi, Hiroki ^{[3
]}

Mitsui, Takaya ^{[4
]}

Fujiwara, Kosuke ^{[4
]}

Yoda, Yoshitaka ^{[2
]}

Nagasawa, Nobumoto ^{[2
]}

Ishikawa, Daisuke ^{[2
,5
]}

Baron, Alfred Q. R. ^{[2
,5
]}

Yoshida, Takefumi ^{[6
]}

Sato, Tetsu ^{[7
]}

Katoh, Keiichi ^{[8
]}

Kobayashi, Hisao ^{[9
]}

Seto, Makoto ^{[3
,4
]}

机构：

[1] Hirosaki Univ, Grad Sch Sci & Technol, Hirosaki, Aomori 0368561, Japan

[2] Japan Synchrotron Radiat Res Inst, Sayo, Hyogo 6795198, Japan

[3] Kyoto Univ, Inst Integrated Radiat & Nucl Sci, Kumatori, Osaka 5900494, Japan

[4] Natl Inst Quantum Sci & Technol, Quantum Beam Sci Res Directorate, Sayo, Hyogo 6795148, Japan

[5] RIKEN, SPring 8 Ctr, Mat Dynam Lab, Sayo, Hyogo 6795148, Japan

[6] Univ Electrocommun, Innovat Res Ctr Fuel Cells, Chofu, Tokyo 1828585, Japan

[7] Tohoku Univ, Adv Inst Mat Res, Sendai, Miyagi 9808577, Japan

[8] Josai Univ, Grad Sch Sci, Dept Chem, Sakado, Saitama 3500295, Japan

[9] Univ Hyogo, Grad Sch Mat Sci, Koto, Hyogo 6781297, Japan

来源：

HYPERFINE INTERACTIONS | 2022年 / 243卷 / 01期

关键词：

Synchrotron-radiation-based Mossbauer absorption spectroscopy; Dy-161; Nuclear resonant scattering; Dy metal; DyB6; DyPc2;

D O I：

10.1007/s10751-022-01802-5

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：

We demonstrate a measurement system for synchrotron-radiation-based Mossbauer absorption spectra with Dy-161 using the 25.7 keV nuclear first excited state. Mossbauer spectra of DyF3, Dy metal and DyPc2 (Pc = phthalocyaninato) were obtained and the parameters for the hyperfine structure of Dy-161 nuclei in them were evaluated to demonstrate the feasibility of this method. Isomer shifts showed that Dy atoms in all of them are in trivalent state although those in Dy metal was in the region of trivalent metal region. The magnetic hyperfine field of Dy metal of 569 +/- 1 T agreed with the literature of the Mossbauer experiments. That of DyPc2 of 489 +/- 1 T was reasonable because the ground state of DyPc2 were in the state of J(z) = +/- 13/2. Considering the highly penetrative nature of the 25.7 keV incident radiation, it will be straightforward to apply this method for the study of materials under various conditions such as high pressure, high magnetic fields, and reactive atmospheres.

引用

页数：8

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