Observation of pseudogap above Tc in 122 and 111 iron-based superconductors by ultrafast optical spectroscopy

We studied optimally-doped (Ba 0.6 K 0.4 )Fe 2 As 2 and LiFeAs by using ultrafast optical spectroscopy. Our temperature-dependent experimental results revealed that pseudogap exists above superconducting state in both materials.

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Bibliographic Details
Main Authors: Kung-Hsuan Lin, Kuan-Jen Wang, Chung-Chieh Chang, Yu-Chieh Wen, Dzung-Han Tsai, Yu-Ruei Wu, Yao-Tsung Hsieh, Ming-Jye Wang, Bing Lv, Ching-Wu Chu, Maw-Kuen Wu
Format: Conference Proceeding
Language:English
Subjects:
Doping
Materials
Optical pumping
Physics
Spectroscopy
Superconductivity
Ultrafast optics
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Summary:We studied optimally-doped (Ba 0.6 K 0.4 )Fe 2 As 2 and LiFeAs by using ultrafast optical spectroscopy. Our temperature-dependent experimental results revealed that pseudogap exists above superconducting state in both materials.
ISSN:2160-8989
2160-9004