2017/08/31 by Akihiko Ikeda, Toshihiro Nomura, Yasuhiro H. Matsuda +4 · 5 citations
Materials Science · Physics and Astronomy · #Atomic physics #Cobaltite #Condensed matter physics #Excited state #Fiber Bragg grating #Magnetic and transport properties of perovskites and related materials #Magnetic field #Magnetostriction #Materials science #Metallurgy #Optical filter #Optics #Optoelectronics #Phase-change materials and chalcogenides #Physics #Physics of Superconductivity and Magnetism #Wavelength #cond-mat.mtrl-sci #cond-mat.str-el
paper · pdf · doi:10.1016/j.physb.2017.09.017
published in Physica B Condensed Matter 536, 847-849 (Elsevier BV) · 4 pages, 2 figures, proceedings of SCES 2017
arxiv created 2017/09/02 · openalex publication_date 2017/09/08 · openalex created_date 2017/09/15 · arxiv updated 2017/09/20 · openalex updated_date 2026/08/05
High-speed 100 MHz strain monitor using fiber Bragg grating (FBG) and an optical filter has been devised for the magnetostriction measurements under ultrahigh magnetic fields. The longitudinal magnetostriction of LaCoO3 has been measured at room temperature, 115, 7 and 4.2 K up to the maximum magnetic field of 150 T. The field-induced lattice elongations are observed, which are attributed to the spin-state crossover from the low-spin ground state to excited spin-states.