• 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.isc.ac/dl/search/defaultta.aspx?DTC=49&DC=500073