DocumentCode :
500073
Title :
Coherent optical phonons in multiferroic LuMnO3
Author :
Jang, Kyeong-Jin ; Lim, Jongseok ; Kim, Jihee ; Yee, Ki-Ju ; Ahn, Jai Seok ; Ahn, Jaewook
Author_Institution :
Dept. of Phys., KAIST, Daejeon, South Korea
fYear :
2009
fDate :
2-4 June 2009
Firstpage :
1
Lastpage :
2
Abstract :
We observe coherent phonons of 4.0 THz and 45 GHz oscillation frequencies in the magnetically disordered phase (T>TN) of multiferroic LuMnO3 using femtosecond IR spectroscopy. We attribute the phonons to the displacement of polyhedron MnO5.
Keywords :
infrared spectra; lutetium compounds; multiferroics; phonons; LuMnO3; coherent optical phonons; femtosecond IR spectroscopy; frequency 4.0 THz; frequency 45 GHz; magnetically disordered phase; Antiferromagnetic materials; Frequency; Optical pumping; Phonons; Physics; Pump lasers; Reflectivity; Spectroscopy; Temperature dependence; Ultrafast optics; (160.5690) Rare-earth-doped materials; (320.7150) Ultrafast spectroscopy;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Lasers and Electro-Optics, 2009 and 2009 Conference on Quantum electronics and Laser Science Conference. CLEO/QELS 2009. Conference on
Conference_Location :
Baltimore, MD
Print_ISBN :
978-1-55752-869-8
Electronic_ISBN :
978-1-55752-869-8
Type :
conf
Filename :
5225452
Link To Document :
https://search.ricest.ac.ir/dl/search/defaultta.aspx?DTC=49&DC=500073
بازگشت