Title :
Coupling between antiferromagnetic and superconducting order in an oxide heterostructure revealed using ultrafast optical spectroscopy
Author :
Qi, Junjian ; Haraldsen, J.T. ; Zhu, J.-X. ; Yan, Lijun ; Trugman, Stuart A. ; Jia, Q.X. ; Taylor, Antoinette J. ; Prasankumar, Rohit P.
Author_Institution :
Center for Integrated Nanotechnol., Los Alamos Nat. Lab., Los Alamos, NM, USA
Abstract :
Ultrafast optical pump-probe spectroscopy is used to study a heterostructure consisting of superconducting and antiferromagnetic films. We observed a new slow relaxation process that reveals the interaction between superconducting and antiferromagnetic order at the interface.
Keywords :
antiferromagnetic materials; barium compounds; high-speed optical techniques; high-temperature superconductors; magnetic relaxation; magnetic thin films; optical pumping; samarium compounds; superconducting thin films; ultraviolet spectra; visible spectra; yttrium compounds; YBCO-SmMnO3; antiferromagnetic order; oxide heterostructure; relaxation process; superconducting order; superconducting-antiferromagnetic film heterostructure; ultrafast optical pump-probe spectroscopy; Couplings; Optical films; Optical pumping; Spectroscopy; Ultrafast optics; Yttrium barium copper oxide;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2013 Conference on
Conference_Location :
San Jose, CA
