DocumentCode :
2084494
Title :
Ultrafast quasiparticle dynamics in layered and perovskite manganites
Author :
Lee, Hyung Jong ; Averitt, R.D. ; Demsar, J. ; Funk, D.J. ; Taylor, Antoinette J. ; Hur, N.H. ; Moritomo, Y.
Author_Institution :
Los Alamos Nat. Lab., NM
fYear :
2004
fDate :
21-21 May 2004
Firstpage :
447
Lastpage :
449
Abstract :
We have studied the sub-picosecond quasiparticle dynamics of the layered manganite La1.4Sr1.6Mn2O7 and the perovskite manganite La0.7Ca0.3MnO 3 using ultrafast optical spectroscopy at 1.5 eV. The dynamics reveal the recovery time of polarons
Keywords :
calcium compounds; ferromagnetic-paramagnetic transitions; high-speed optical techniques; lanthanum compounds; magnetic polarons; magnetic semiconductors; spectroscopy; strontium compounds; 1.5 eV; La0.7Ca0.3MnO3; La1.4Sr1.6Mn2O7; layered manganites; perovskite manganites; polarons; ultrafast optical spectroscopy; ultrafast quasiparticle dynamics;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Quantum Electronics Conference, 2004. (IQEC). International
Conference_Location :
San Francisco, CA
Print_ISBN :
1-55752-778-4
Type :
conf
Filename :
1366839
Link To Document :
https://search.ricest.ac.ir/dl/search/defaultta.aspx?DTC=49&DC=2084494
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