세미나안내

[2014 03 12] 정기세미나 1st

Fe Based Superconductor Thin Films: From Synthesis to Artificially Engineered Superlattices

MSE Graduate Students and Researchers

관리자 | 2014.03.17 13:07 | 조회 2649


Reception: MSE Graduate Students and Researchers

Reference: MSE Professors

Subject: The 1st Seminar - Spring Semester, 2014 

 

 Date: 2014. 3. 12(Wed), 17:00 ~ 18:15

 Place: Engineering Building, Room.202 Multimedia Room

 Title: Fe Based Superconductor Thin Films: From Synthesis to Artificially Engineered Superlattices

 Speaker: Prof. Sanghan Lee (Gwangju Institute of Science and Technology)

Host of a Seminar: Prof. Junwoo Son

Speaker Language: ENGLISH

 

Abstract:

The synthesis of high quality single crystal thin films and multilayers of pnictide superconductors is critical to explore their intrinsic properties and evaluate novel device applications. In this study, we have grown genuine epitaxial thin films of Co-doped BaFe2As2 (Ba-122) by employing template engineering on single-crystal (001) SrTiO3 (STO) template on (001) (La,Sr)(Al,Ta)O3 substrates with strong c-axis flux pinning[1]. Beyond the single layer Ba-122 thin films, artificial layered pnictide superlattices offer unique opportunity towards tailoring superconducting properties and understanding the mechanisms of superconductivity by creating model structures which do not exist in nature. The synthesis of artificial layered superlattices of pnictide superconductors opens many avenues for superconducting electronic device applications and for model experiment in superconductivity[2].

 

[1] S. Lee et al., Template engineering of Co-doped BaFe2As2 single-crystal thin films, Nat. Mater., 9, 397-402 (2010)

 

[2] S. Lee et al., Artificially engineered superlattices of pnictide superconductors, Nat. Mater., 12, 392-396, (2013)

 

Department of Materials Science and Engineering

 



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