Title :
Three-dimensional nanostructuring in YIG ferrite with femtosecond laser
Author :
Amemiya, Tomohiro ; Ishikawa, Akira ; Shoji, Yozo ; Hai, Pham Nam ; Tanaka, Mitsuru ; Mizumoto, Tetsuya ; Tanaka, T. ; Arai, Shigehisa
Author_Institution :
Quantum Nanoelectron. Res. Center, Tokyo Inst. of Technol., Tokyo, Japan
Abstract :
We demonstrated forming nanostructures inside a substrate of cerium-substituted yttrium iron garnet by means of direct laser writing. The laser irradiation increases a refractive index by 0.7% and changes magnetic properties from hard to soft.
Keywords :
cerium compounds; ferrites; garnets; laser beam effects; nanostructured materials; permanent magnets; refractive index; soft magnetic materials; yttrium compounds; YIG ferrites; YIG:Ce; cerium-substituted yttrium iron garnet substrate; direct laser writing; femtosecond laser; forming nanostructures; hard magnetic properties; laser irradiation; refractive index; soft magnetic properties; three-dimensional nanostructuring; Magnetic field measurement; Magnetic fields; Magnetic resonance imaging; Measurement by laser beam; Radiation effects; Refractive index; Ultrafast optics;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2014 Conference on
Conference_Location :
San Jose, CA
