Title :
Dynamic decoupling of spin-lattice-charge excitations in iron pnictides using time-resolved laser ellipsometry
Author :
Li, Tianqi ; Patz, Aaron ; Ran, Sheng ; Bud´ko, Sergey ; Canfield, Paul ; Wang, Jigang
Author_Institution :
Dept. of Phys. & Astron., Iowa State Univ., Ames, IA, USA
Abstract :
We report distinct dynamics of magnetic, electronic anisotropy and charge excitations in parent and weakly Co-doped BaFe2As2, which identify the manifestation of the Ising nematic symmetry and, its contribution to magneto-structural phase transition.
Keywords :
Ising model; barium compounds; cobalt; double nuclear magnetic resonance; high-temperature superconductors; iron compounds; magnetic anisotropy; magnetic structure; solid-state phase transformations; spin-lattice relaxation; BaFe2As2:Co; Ising nematic symmetry; dynamic decoupling; electronic anisotropy; iron pnictides; magnetic anisotropy; magneto-structural phase transition; spin-lattice-charge excitations; time-resolved laser ellipsometry; Anisotropic magnetoresistance; Compounds; Magnetic domains; Materials; Perpendicular magnetic anisotropy; Superconducting magnets;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2012 Conference on
Conference_Location :
San Jose, CA
Print_ISBN :
978-1-4673-1839-6
