Session Index

Session Y26: Focus Session: Iron Based Superconductors -- Orbital Order

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Abstracts
Sponsoring Units: DMP DCOMP
Chair: Clarina dela Cruz, Oak Ridge National Laboratory
Room: D162/164


Friday, March 25, 2011
8:00AM - 8:12AM

Y26.00001: Effect of doping on the crystalline structure and superconductivity properties in Ca$_{1-x}$Na$_{x}$Fe$_{2}$As$_{2 }$ single crystals
Leonardo Civale , Nestor Haberkorn , Boris Maiorov , Marcelo Jaime , G. Chen , W. Yu

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Friday, March 25, 2011
8:12AM - 8:24AM

Y26.00002: First-principles study of orbital-selective magnetism in FeAs-based superconductors
Hyungju Oh , Donghan Shin , Hyoung Joon Choi

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Friday, March 25, 2011
8:24AM - 8:36AM

Y26.00003: Orbital characters of the iron-pnictides
Donglai Feng

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Friday, March 25, 2011
8:36AM - 8:48AM

Y26.00004: Dichotomy between Large Local and Small Ordered Magnetic Moments in Iron-Based Superconductors
Philipp Hansmann , Ryotaro Arita , Alessandro Toschi , Shiro Sakai , Giorgio Sangiovanni , Karsten Held

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Friday, March 25, 2011
8:48AM - 9:00AM

Y26.00005: High-energy x-ray diffraction studies of \textit{AE}Fe$_{2}$As$_{2}$ compounds
D.K. Pratt , A. Kreyssig , M.G. Kim , S. Ran , A. Thaler , S.L. Bud'ko , R.J. McQueeney , P.C. Canfield , A.I. Goldman

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Friday, March 25, 2011
9:00AM - 9:12AM

Y26.00006: High Resolution X-ray Scattering Studies of Structural Phase Transitions in BaFe$_{2-x}$Cr$_x$As$_2$
B.D. Gaulin , J.P. Clancy , J.J. Wagman , A.S. Sefat

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Friday, March 25, 2011
9:12AM - 9:48AM

Y26.00007: Orbital Order and Spontaneous Orthorombicity in Iron Pnictides
Invited Speaker: Rajiv Singh

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Friday, March 25, 2011
9:48AM - 10:00AM

Y26.00008: Commensurate antiferromagnetic ordering in Ba(Fe$_{1-x}$Co$_{x})_{2}$As$_{2}$ determined by x-ray resonant magnetic scattering at the Fe $K$ edge
M.G. Kim , A. Kreyssig , Y.B. Lee , J.W. Kim , D.K. Pratt , A. Thaler , S.L. Bud'ko , P.C. Canfield , B.N. Harmon , R.J. McQueeney , A.I. Goldman

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Friday, March 25, 2011
10:00AM - 10:12AM

Y26.00009: Antiferromagnetic ordering in the absence of a structural distortion in Ba(Fe$_{1-x}$Mn$_{x})_{2}$As$_{2}$
A.I. Goldman , M.G. Kim , A. Kreyssig , A. Thaler , D.K. Pratt , W. Tian , J.L. Zarestky , M.A. Green , S.L. Bud'ko , P.C. Canfield , R.J. McQueeney

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Friday, March 25, 2011
10:12AM - 10:24AM

Y26.00010: An empirical method to account for spin-fluctuation suppression of magnetism in Fe pnictides
Peter Blaha , Igor Mazin , Michelle Johannes

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Friday, March 25, 2011
10:24AM - 10:36AM

Y26.00011: In-plane resistivity anisotropy in underdoped Ba(Fe$_{1-x}$Ni$_x$)$_2$As$_2$ and Ba(Fe$_{1-x}$Cu$_x$)$_2$As$_2$
Hsueh-Hui Kuo , Jiun-Haw Chu , James Analytis , Leo Yu , Kristiaan De Greve , Peter McMahon , Yoshihisa Yamamoto , Ian Fisher

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Friday, March 25, 2011
10:36AM - 10:48AM

Y26.00012: Quasiparticle interference of C$_{2}$-symmetric surface states in LaOFeAs parent compound
Xiaodong Zhou , Cun Ye , Peng Cai , Xiangfeng Wang , Xianhui Chen , Yayu Wang

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