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.ricest.ac.ir/dl/search/defaultta.aspx?DTC=49&DC=732787
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