[Th-L] Poster Session

[Th-L-23] Ultrasonic Study of Elastic Properties of the Iron-Pnictide Superconductor Ba(Fe_1-xCo_x)₂As₂ in High Magnetic Fields

*Mitsuhiro Akatsu¹, Ryosuke Kurihara², Yuichi Nemoto³, Terutaka Goto³, Keisuke Mitsumoto⁴, Koji Araki⁵, Shadi Yashin⁶, Sergei Zherlitysn⁷, Joachim Wosnitza⁷, Kazuto Akiba⁸, Atsushi Miyake², Masashi Tokunaga², Yoshiaki Kobayashi⁹, Masatoshi Sato⁹ (1. Niigata Univesity(Japan), 2. The University of Tokyo(Japan), 3. Niigata University(Japan), 4. Toyama Prefectural Univesity(Japan), 5. National Defence Academy(Japan), 6. American University of the Middle East(Kuwait), 7. Dresden High Magnetic Field Laboratory(Germany), 8. Okayama University(Japan), 9. Nagoya University(Japan))

キーワード：Iron-based superconductor, Ultrasonic measurement, High magnetic field, Quadrupole, Multipole