Focus Session: Iron Based Superconductors: Spin Excitation

Focus Session: Iron Based Superconductors: Spin Excitation

FOCUS · X39 ·

Presentations

Spin Excitations in Superconducting BaFe$_{2-x}$Co$_{x}$As$_{2}$

ORAL

March 18, 2010, 2:30 PM – March 18, 2010, 2:42 PM
Authors
- A.D. Christianson
  
  Oak Ridge National Laboratory
- M.D. Lumsden
  
  Oak Ridge National Laboratory
- D. Parshall
  
  University of Tennessee
- S.E. Nagler
  
  Oak Ridge National Laboratory
- G.J. MacDougall
  
  Oak Ridge National Laboratory
- H.A. Mook
  
  Oak Ridge National Laboratory
- K. Lokshin
  
  University of Tennessee
- T. Egami
  
  University of Tennessee
- M.B. Stone
  
  Oak Ridge National Laboratory
- D.L. Abernathy
  
  Oak Ridge National Laboratory
- E.A. Goremychkin
  
  Argonne National Laboratory
- R. Osborn
  
  Argonne National Laboratory
- M.A. McGuire
  
  Oak Ridge National Laboratory
- A.S. Sefat
  
  Oak Ridge National Laboratory
- R. Jin
  
  Oak Ridge National Laboratory
- B.C. Sales
  
  Oak Ridge National Laboratory
- D. Mandrus
  
  Oak Ridge National Laboratory
View abstract →
Low-temperature spin excitations in Ba(Fe$_{0.972}$Cu$_{0.028})_{2}$As$_{2}$ single crystals

ORAL

March 18, 2010, 2:42 PM – March 18, 2010, 2:54 PM
Authors
- M. D. Lumsden
  
  Oak Ridge National Laboratory
- M.G. Kim
  
  Ames Laboratory and Iowa State University
- A. Kreyssig
  
  Ames Laboratory and Iowa State University
- D.K. Pratt
  
  Ames Laboratory and Iowa State University
- K.J. Marty
  
  Oak Ridge National Laboratory
- W. Tian
- J. Zarestky
  
  Ames Laboratory
- S. Nandi
  
  Ames Laboratory and Iowa State University
- A. Thaler
  
  Ames Laboratory and Iowa State University
- N. Ni
  
  Ames Laboratory and Iowa State University
- S.L. Bud'ko
  
  Ames Laboratory and Iowa State University
- P.C. Canfield
  
  Ames Laboratory and Iowa State University
- R.J. McQueeney
  
  Ames Laboratory and Iowa State University
- A.I. Goldman
  
  Ames Laboratory and Iowa State University
View abstract →
Anisotropic spin fluctuations in superconducting pnictide BaFe$_{1.9}$Ni$_{0.1}$As$_2$

ORAL

March 18, 2010, 2:54 PM – March 18, 2010, 3:06 PM
Authors
- Oliver Lipscombe
  
  UTK
  University of Tennessee
- Chenglin Zhang
  
  University of Tennessee
- Leland Harriger
  
  University of Tennessee
- Paul Freeman
  
  ILL, France
- Pengcheng Dai
  
  University of Tennessee
View abstract →
Neutron Scattering Experiment on Doping Dependence of Spin Excitations in Superconducting BaFe$_{2-x}$Ni$_{x}$As$_{2}$

ORAL

March 18, 2010, 3:06 PM – March 18, 2010, 3:18 PM
Authors
- Shiliang Li
  
  Chinese Academy of Science
  IOP,CAS
  Institute of Physics, CAS
- Jun Zhao
  
  Department of Physics and Astronomy, the University of Tennessee
  University of Tennessee
  U of Tennessee
- Pengcheng Dai
  
  UTK/ORNL
  University of Tennessee
  U of Tennessee
  University of Tennessee; Oak Ridge National Laboratory; Institute of Physics, China
  Univ. of Tenn.
  Univ of Tennessee, physics dept
- Songxue Chi
  
  NIST
- J.W. Lynn
  
  NIST
  National Institute of Standard and Technology
  NIST Center for Neutron Research, National Institute for Standards and Technology, Gaithersburg, MD 20899
- Chenglin Zhang
  
  University of Tennessee
  U of Tennessee
  Univ of Tennessee, physics dept
- Huiqian Luo
  
  Chinese Academy of Science
  Institute of Physics, China
  Institute of Physics, CAS
- Meng Wang
  
  Institute of Physics, China
  Chinese Academy of Science
  University of Tennessee; Institute of Physics, China
  Institute of Physics, CAS
- Sung Chang
  
  NCNR
  NIST
  National Institute of Standard and Technology
- Deepak Singh
  
  National Institute of Standard and Technology
  NIST
View abstract →
Inelastic Neutron Scattering Studies of High-Energy Spin Excitations in Superconducting BaFe$_{1.9}$Ni$_{0.1}$As$_{2}$

ORAL

March 18, 2010, 3:18 PM – March 18, 2010, 3:30 PM
Authors
- Mengshu Liu
  
  University of Tennessee
- Douglas Abernathy
  
  Oak Ridge National Laboratory
  ORNL
- Jun Zhao
  
  Department of Physics and Astronomy, the University of Tennessee
  University of Tennessee
  U of Tennessee
- Meng Wang
  
  Institute of Physics, China
  Chinese Academy of Science
  University of Tennessee; Institute of Physics, China
  Institute of Physics, CAS
- Chenglin Zhang
  
  University of Tennessee
  U of Tennessee
  Univ of Tennessee, physics dept
- Miaoyin Wang
  
  University of Tennessee
- Pengcheng Dai
  
  UTK/ORNL
  University of Tennessee
  U of Tennessee
  University of Tennessee; Oak Ridge National Laboratory; Institute of Physics, China
  Univ. of Tenn.
  Univ of Tennessee, physics dept
View abstract →
Single Crystal Inelastic Neutron Scattering Measurements of the Unconventional Superconductor Ba$_{0.6}$K$_{0.4}$Fe$_{2}$As$_{2}$

ORAL

March 18, 2010, 3:30 PM – March 18, 2010, 3:42 PM
Authors
- John-Paul Castellan
  
  Argonne Nat. Lab.
  Argonne National Laboratory
- S. Rosenkranz
  
  Argonne Nat. Lab.
- R. Osborn
  
  Argonne Nat. Lab.
- F. Weber
  
  Argonne Nat. Lab.
- E.A. Goremychkin
  
  Argonne Nat. Lab.
- I.S. Todorov
  
  Argonne Nat. Lab.
- H. Claus
  
  Argonne Nat. Lab.
- D.Y. Chung
  
  Argonne Nat. Lab.
- M.G. Kanatzidis
  
  Northwestern University
- T. Guidi
  
  Rutherford Appleton Lab
View abstract →
Spin excitations in iron arsenide superconductors

COFFEE_KLATCH · Invited

March 18, 2010, 3:42 PM – March 18, 2010, 4:18 PM
Authors
- Jun Zhao
  
  Department of Physics and Astronomy, the University of Tennessee
  University of Tennessee
  U of Tennessee
View abstract →
Magnetic Excitation Spectrum of FeTe$_{1-x}$Se$_x$

ORAL

March 18, 2010, 4:18 PM – March 18, 2010, 4:30 PM
Authors
- Mark Lumsden
  
  Oak Ridge National Laboratory
- A.D. Christianson
  
  Oak Ridge National Laboratory
- E.A. Goremychkin
  
  Argonne National Laboratory
- S.E. Nagler
  
  Oak Ridge National Laboratory
- H.A. Mook
  
  Oak Ridge National Laboratory
- M.B. Stone
  
  Oak Ridge National Laboratory
- D.L. Abernathy
  
  Oak Ridge National Laboratory
- T. Guidi
  
  Rutherford Appleton Laboratory
- G.J. MacDougall
  
  Oak Ridge National Laboratory
- C. de la Cruz
  
  University of Tennessee
- A.S. Sefat
  
  Oak Ridge National Laboratory
- M.A. McGuire
- B.C. Sales
  
  Oak Ridge National Laboratory
- D. Mandrus
  
  Oak Ridge National Laboratory
View abstract →
Magnetic Excitations in FeSe$_{x}$Te$_{1-x}$

ORAL

March 18, 2010, 4:30 PM – March 18, 2010, 4:42 PM
Authors
- Leland Harriger
  
  UTK
- Oliver Lipscombe
  
  UTK
  University of Tennessee
- Pengcheng Dai
  
  UTK/ORNL
  University of Tennessee
  U of Tennessee
  University of Tennessee; Oak Ridge National Laboratory; Institute of Physics, China
  Univ. of Tenn.
  Univ of Tennessee, physics dept
- Tao Hong
  
  HFIR
- Karol Marty
  
  HFIR
- Songxue Chi
  
  NCNR
- Jeff Lynn
  
  NCNR
View abstract →
Magnetic fluctuations and quasi-static magnetism in optimally doped FeSe$_{0.4}$Te$_{0.6}$

ORAL

March 18, 2010, 4:42 PM – March 18, 2010, 4:54 PM
Authors
- Vivek Thampy
  
  Dept. of Physics \& Astronomy, Johns Hopkins Univ.
- Wei Bao
  
  Dept. of Physics, Renmin Univ. of China
- A.T. Savici
  
  Dept. of Physics \& Astronomy, Johns Hopkins Univ.
- Y. Qiu
  
  NIST Center for Neutron Research
- Jin Hu
  
  Dept. of Physics and Engineering Physics, Tulane Univ.
- Tijiang Liu
  
  Dept. of Physics and Engineering Physics, Tulane Univ.
- Z.Q. Mao
  
  Dept. of Physics and Engineering Physics, Tulane Univ.
- Collin Broholm
  
  Dept. of Physics \& Astronomy, Johns Hopkins Univ.
View abstract →
Magnetic correlations in the spin-glassy phase of Fe$_{1+\delta }$(Se,Te)

ORAL

March 18, 2010, 4:54 PM – March 18, 2010, 5:06 PM
Authors
- Naoyuki Katayama
  
  University of Virginia
- Sungdae Ji
  
  University of Virginia
- Seunghun Lee
  
  University of Virginia
- Masaki Fujita
  
  Tohoku University
- Jinsheng Wen
  
  Brookhaven National Laboratory
- Zhijun Xu
  
  Brookhaven National Laboratory
- Guangyong Xu
  
  Brookhaven Natl. Lab.
  Brookhaven National Laboratory
  Brookhaven National Lab
- G.D. Gu
  
  Brookhaven National Laboratory
  Brookhaven Natl. Lab.
  Brookhaven National Laboratory, Upton, NY 11973
- Taku Sato
  
  University of Tokyo
- Sung Chang
  
  NCNR
  NIST
  National Institute of Standard and Technology
- Kazutishi Yamada
  
  Tohoku University
- John Tranquada
  
  Brookhaven Natl. Lab.
  Brookhaven National Laboratory
View abstract →
Incommensurate itinerant antiferromagnetic excitations and spin resonance in the FeTe$_{0.6}$Se$_{0.4}$ superconductor

ORAL

March 18, 2010, 5:06 PM – March 18, 2010, 5:18 PM
Authors
- Z. Mao
  
  Tulane University, New Orleans, LO
- B. Qian
  
  Tulane University, New Orleans, LO
- Dimitri Argyriou
  
  Helmholtz-Zentrum Berlin f\"ur Materialien und Energie, Berlin, Germany
  Helmholtz-Zentrum Berlin fur Materialen und Energie GmbH
  Helmholtz-Zentrum Berlin, Germany
- A. Hiess
  
  Institut Max von Laue-Paul Langevin, Grenoble, France
- A. Akbari
  
  Max-Planck-Institut f\"{u}r Physik komplexer Systeme, Dresden, Germany
- I. Eremin
  
  Max-Planck-Institut f\"{u}r Physik komplexer Systeme, Dresden, Germany
- M.M. Korshunov
  
  Max-Planck-Institut f\"{u}r Physik komplexer Systeme, Dresden, Germany
- J. Hu
  
  Tulane University, New Orleans, LO
- Y. Qiu
  
  NIST Center for Neutron Research, NIST, Gaithersburg, MD
- C. Broholm
  
  Institute for Quantum Matter and Department of Physics and Astronomy, The Johns Hopkins University, Baltimore, Maryland 21218 USA
- W. Bao
  
  Department of Physics, Renmin University of China, Beijing 100872, China
View abstract →
Effect of magnetic field on the spin resonance in FeTe$_{0.5}$Se$_{0.5}$ as seen via inelastic neutron scattering

ORAL

March 18, 2010, 5:18 PM – March 18, 2010, 5:30 PM
Authors
- Jinsheng Wen
  
  Brookhaven Natl. Lab.
  Brookhaven National Lab
  Brookhaven National Laboratory, Upton, NY 11973
  Brookhaven National Laboratory
- Guangyong Xu
- Zhijun Xu
- Zhi Wei Lin
- Qiang Li
- Ying Chen
- Songxue Chi
- Genda Gu
- John Tranquada
View abstract →

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