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Electronic and atomic dynamics in Sm and Eu cage-structured intermetallics

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Abstract

Mössbauer measurements using both synchrotron radiation and radioactive sources were performed on Sm and Eu cage-structured compounds. Such measurements reveal electronic states through hyperfine interactions at probe nuclei and lattice dynamics through Mössbauer effects of probe nuclei. We have reviewed recent results of the cage-structured compounds SmB6, SmBe13, SmOs4Sb12 and Eu3Pd20Ge6 obtained by synchrotron-radiation-based and conventional Mössbauer spectroscopy and nuclear resonant inelastic scattering experiments.

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Acknowledgements

This work is a collaboration among Shota Amagasa, Yasuhiro Yamada, Jin Nakamura, Michael K. Kubo, Takumi Hasegawa, Norio Ogita, Masayuki Udagawa, Yasuhiro Kobayashi, Yoshitaka Yoda, Makoto Seto, Ryuji Higashinaka, Tatsuma D. Matsuda, Yuji Aoki, Hitoshi Sugawara, Hideyuki Sato, Hiroyuki Hidaka, Yusei Shimizu, Tatsuya Yanagisawa, Hiroshi Amitsuka, Fumitoshi Iga, Jiro Kitagawa and Toshiro Takabatake. The SR-based Mössbauer spectroscopy, NRIS, XAS and inelastic X-ray scattering experiments were carried out with approval of JASRI (Proposal Nos. 2005A0369, 2005B0127, 2006A1203, 2006A1039, 2006B1053, 2007B1351, 2008A1972, 2014A1076, 2015B1947, 2016A1413, 2016B1057, 2016B1948, 2017A1060, 2017A1841, 2017B1275, 2018A1534, 2018A1762, and 2018B2039).

Funding

This work was financially supported by Grant-in-Aids for Scientific Research on the Priority Area of Skutterudites (Grant No. 18027017), and on the Innovative Area of Heavy Electrons (Grant No. 20102005) from the Ministry of Education, Culture, Sports, Science and Technology of Japan and Grants-in-Aid for the Scientific Research B (15H03697 and 19H04408), for Young Scientists (20740181), and for Challenging Exploratory Research (15 K14170) from the Japan Society of Promotion of Science.

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Authors and Affiliations

  1. Japan Synchrotron Radiation Research Institute (JASRI), SPring-8, Sayo, Hyogo, 679-5198, Japan

    Satoshi Tsutsui & Masaichiro Mizumaki

  2. The University of Electro-Communications, Chofu, Tokyo, 182-8585, Japan

    Yoshio Kobayashi

  3. Nishina Center for Accelerator Based Science, RIKEN, Wako, Saitama, 351-0198, Japan

    Yoshio Kobayashi

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  1. Satoshi Tsutsui
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This article is part of the Topical Collection on Proceedings of the 5th Mediterranean Conference on the Applications of the Mössbauer Effect (MECAME 2019) and 41st Workshop of the French-speaking Group of Mössbauer Spectroscopy (GFSM 2019), Montpellier, France, 19-23 May 2019

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Tsutsui, S., Mizumaki, M. & Kobayashi, Y. Electronic and atomic dynamics in Sm and Eu cage-structured intermetallics. Hyperfine Interact 240, 84 (2019). https://doi.org/10.1007/s10751-019-1634-3

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