Condensed-Matter Physics & Materials Science Seminar

"Probing iron-based superconductors through photoelectrons"

Presented by Hong Ding, Chinese Academy of Science, China

Friday, November 5, 2010, 11:00 am — Bldg. 480 conference room

Angle-resolved photoemission spectroscopy (ARPES) has been used extensively in studying electronic structure and superconducting gap of the iron-based high-temperature superconductors (pnictides). In this talk, I will present our recent ARPES results on these pnictide materials, mainly focus on high-resolution measurements of the superconducting gap function of many different pnictide superconductors. Our results strongly suggest that the pairing mechanism of the pnictides is mainly driven by short-range antiferromagnetic fluctuations, similar to the case of high-Tc cuprate superconductors.

Hosted by: Ivan Bozovic

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