Title :
Photoinduced femtosecond formation of ferromagnetism in a strongly correlated antiferromagentic manganite
Author :
Li, Tianqi ; Patz, Aaron ; Yan, Jiaqiang ; Lograsso, Thomas A. ; Perakis, Ilias E. ; Wang, Jigang
Author_Institution :
Dept. of Phys. & Astron., Iowa State Univ., Ames, IA, USA
Abstract :
We report a pump threshold behavior of fs photoinduced magnetization enhancement in a antiferromagnetic manganite, which shows the establishment of thermally-inaccessible, hidden ferromagnetic ground state and build-up of new magnetic order parameters within 180 fs.
Keywords :
antiferromagnetic materials; calcium compounds; ferromagnetic materials; ferromagnetic-antiferromagnetic transitions; ground states; magnetisation; praseodymium compounds; Pr0.7Ca0.3MnO3; femtosecond photoinduced magnetization enhancement; ferromagnetism; magnetic order parameters; photoinduced femtosecond formation; pump threshold behavior; strongly correlated antiferromagnetic manganite; thermally-inaccessible hidden ferromagnetic ground state; Land surface temperature; Magnetic recording; Magnetic semiconductors; Magnetization; Transient analysis; Ultrafast optics;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2011 Conference on
Conference_Location :
Baltimore, MD
Print_ISBN :
978-1-4577-1223-4
