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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 34, Number 3
BKCSDE 34(3)
March 20, 2013

Title	Relationship Between the Structure and the Superconductivity in LaFeAsO
Author	Dongwoon Jung, Sungwoo Cho, In-Ja Lee
Keywords	Electronic structure, Oxypnictide, Superconductivity, SDW
Abstract	The electronic structure of LaFeAsO was analyzed by tight-binding band calculation based upon the normal and shrunk lattices. A strong Fermi surface nesting was found in the normal LaFeAsO, while most of the nesting area was disappeared in the shrunk LaFeAsO. It was found, therefore, high pressure atmosphere is required to become a superconductor for LaFeAsO by suppressing the SDW (spin density wave) state through the disappearance of the Fermi surface nesting.
Page	912 - 916
Full Text	PDF

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