[Tu-E] Poster Session

[Tu-E-39] Synchrotron-radiation-based ¹⁷⁴Yb Mössbauer spectroscopic studies on YbAlB₄ at low temperatures

*Hisao Kobayashi^1,2, Hayato Kitagawa^1,2, Shugo Ikeda^1,2, Sintarou Suzuki³, Kentaro Kuga³, Satoru Nakatsuji³, Ryo Masuda⁴, Yasuhiro Kobayashi⁴, Makoto Seto⁴, Yoshitaka Yoda⁵, Kenji Tamasaku² (1. Graduate School of Material Science and Center for Novel Material Science under Multi-Extreme Conditions, University of Hyogo(Japan), 2. RIKEN SPring-8 Center(Japan), 3. Institute for Solid State Physics, University of Tokyo(Japan), 4. Institute for Integrated Radiation and Nuclear Science, Kyoto University(Japan), 5. Japan Synchrotron Radiation Research Institute(Japan))

キーワード：quantum criticalities, valence fluctuating compounds