Fermi surface of the parent compound of iron-based superconductor

11:15 AM–2:03 PM, Thursday, March 19, 2009
Room: 309

Sponsoring Unit: DCMP
Chair: Norman Mannella, University of Tennessee, Knoxville

Abstract ID: BAPS.2009.MAR.W13.13

Abstract: W13.00013 : Fermi surface of the parent compound of iron-based superconductor

1:39 PM–1:51 PM

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Authors:

T. Shimojima
(ISSP U. Tokyo)

Y. Ishida
(RIKEN SPring-8)

N. Katayama
(ISSP U. Tokyo)

K. Ohgushi
(ISSP U. Tokyo)

K. Ishizaka
(ISSP U. Tokyo)

T. Kiss
(ISSP U. Tokyo)

M. Okawa
(ISSP U. Tokyo)

T. Togashi
(RIKEN SPring-8)

X.-Y. Wang
(CAS)

C.-T. Chen
(CAS)

S. Watanabe
(ISSP U. Tokyo)

T. Oguchi
(U. Hiroshima)

S. Shin
(ISSP U. Tokyo)

Fermi surface of the parent compound of iron-based superconductor BaFe2As2 is studied by angle-resolved photoemission spectroscopy using VUV-laser. This compound shows structural and magnetic phase transition around TN = 140 K [1]. We found the transformation of Fermi surface across TN. We will discuss its origin comparing with the first principle band calculation. \\[4pt] [1] M. Rotter et al., Phys. Rev B 78, 020503 (2008).

To cite this abstract, use the following reference: http://meetings.aps.org/link/BAPS.2009.MAR.W13.13

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Bulletin of the American Physical Society

2009 APS March Meeting

Volume 54, Number 1

Monday–Friday, March 16–20, 2009; Pittsburgh, Pennsylvania

Session W13: Focus Session: Iron Pnictides and Other Novel Superconductors XIV: ARPES

Abstract: W13.00013 : Fermi surface of the parent compound of iron-based superconductor

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