• DocumentCode
    732787
  • Title

    Mott behavior in KxFe2−ySe2 superconductors revealed by pump-probe spectroscopy

  • Author

    Chunfeng Zhang ; Wei Li ; Min Xiao

  • Author_Institution
    Nat. Lab. of Solid State Microstructures, Nanjing Univ., Nanjing, China
  • fYear
    2015
  • fDate
    10-15 May 2015
  • Firstpage
    1
  • Lastpage
    2
  • Abstract
    Pump-probe spectroscopic data on KxFe2-ySe2 superconductors exhibit signatures of orbital-selective Mott transition with a significant enhancement of a slow decay component alongside a decrease in oscillatory coherent-phonon signals upon raising temperature to 160 K.
  • Keywords
    high-speed optical techniques; high-temperature superconductors; iron compounds; metal-insulator transition; optical pumping; potassium compounds; KxFe2-ySe2; Mott behavior; orbital-selective Mott transition; oscillatory coherent-phonon signals; pump-probe spectroscopy; superconductors; Correlation; Delays; Iron; Reflectivity; Spectroscopy; Superconducting transition temperature;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    Lasers and Electro-Optics (CLEO), 2015 Conference on
  • Conference_Location
    San Jose, CA
  • Type

    conf

  • Filename
    7183224
    • Link To Document
    https://search.isc.ac/dl/search/defaultta.aspx?DTC=49&DC=732787