Relationship Between the Structure and the Superconductivity in LaFeAsO 


Vol. 34,  No. 3, pp. 912-916, Mar.  2013
10.5012/bkcs.2013.34.3.912


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  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.

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  Cite this article

[IEEE Style]

D. Jung, S. Cho, I. Lee, "Relationship Between the Structure and the Superconductivity in LaFeAsO," Bulletin of the Korean Chemical Society, vol. 34, no. 3, pp. 912-916, 2013. DOI: 10.5012/bkcs.2013.34.3.912.

[ACM Style]

Dongwoon Jung, Sungwoo Cho, and In-Ja Lee. 2013. Relationship Between the Structure and the Superconductivity in LaFeAsO. Bulletin of the Korean Chemical Society, 34, 3, (2013), 912-916. DOI: 10.5012/bkcs.2013.34.3.912.

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ISSN(Print) 0253-2964
ISSN(Online) 1229-5949