Focus Session: Iron Based Superconductors -- Magnetic Properties & Phase Diagrams

Presentations

• Magnetic and Structural Phase Diagram of Ba$_{1-x}$K$_{x}$Fe$_{2}$As$_{2}$

  ORAL

  March 23, 2011, 2:30 PM – March 23, 2011, 2:42 PM

  Authors

  • Sevda Avci

    • Argonne National Laboratory

  • Duck-Young Chung

  • Stephan Rosenkranz

  • John-Paul Castellan

  • Ray Osborn

    • Materials Science Divison, Argonne National Laboratory, Illinois, USA

  • Omar Chmaissem

    • Northern Illinois University and Argonne National Laboratory, Illinois, USA

  • Mercouri Kanatzidis

    • Northwestern University, Illinois, USA

  • Eugene Goremychkin

  • Aziz Daoud-Aladine

    • ISIS, Rutherford Appleton Laboratory, UK

  View abstract →

• Coexistence of Superconductivity and Magnetism in EuFe$_{2}$(As$_{0.7}$P$_{0.3}$ )$_{2}$

  ORAL

  March 23, 2011, 2:42 PM – March 23, 2011, 2:54 PM

  Authors

  • A.A. Aczel

    • Oak Ridge National Lab

  • T.J. Williams

    • McMaster University

  • T. Goko

    • Columbia University

  • F.L. Ning

    • Columbia University

  • Y.J. Uemura

    • Columbia University

  • C. Arguello

    • Columbia University

  • W. Yu

    • Renmin University of China

  • G.F. Chen

    • Renmin University of China

  • G.M. Luke

    • McMaster University

  View abstract →

• Physical and magnetic properties of Ba(Fe$_{1-x}$Mn$_x$)$_2$As$_2$ single crystals

  ORAL

  March 23, 2011, 2:54 PM – March 23, 2011, 3:06 PM

  Authors

  • Alexander Thaler

    • Ames Laboratory U.S. DOE and Department of Physics and Astronomy, Iowa State University
    • Iowa State University and Ames Lab.
    • Iowa State University/Ames Lab
    • Department of Physics and Astronomy, Iowa State University and Ames Laboratory, Ames, IA

  • Sheng Ran

    • Ames Laboratory U.S. DOE and Department of Physics and Astronomy, Iowa State University
    • Iowa State University/Ames Lab

  • Alfred Kracher

    • Iowa State University/Ames Lab

  • Warren Straszheim

    • Iowa State University/Ames Lab

  • Jiaqiang Yan

    • Ames Lab - USDOE
    • Iowa State University/Ames Lab
    • Ames laboratory, US-DOE, Ames, IA 50010

  • Sergey Bud'ko

    • Ames Laboratory
    • Ames Laboratory U.S. DOE and Department of Physics and Astronomy, Iowa State University
    • Iowa State University
    • Iowa State University and Ames Lab.
    • Iowa State University/Ames Lab
    • Iowa State University and Ames Laboratory US DOE
    • Ames Laboratory and Iowa State University, IA, USA
    • Ames Laboratory, Iowa State University

  • Paul Canfield

    • Ames Laboratory and Dept. of Physics and Astronomy, Iowa State University
    • Ames Laboratory U.S. DOE and Department of Physics and Astronomy, Iowa State University
    • Iowa State University
    • Iowa State University and Ames Lab.
    • Iowa State University/Ames Lab
    • Iowa State University, Ames Laboratory
    • Ames Laboratory and Iowa State University, IA, USA
    • Ames Laboratory, Ames, IA 50011, U.S.A.
    • Ames Laboratory, Iowa State University

  View abstract →

• The magnetic form factor of SrFe2As2

  ORAL

  March 23, 2011, 3:06 PM – March 23, 2011, 3:18 PM

  Authors

  • William Ratcliff

    • NIST Center for Neutron Research

  • P.A. Kienzle

    • NIST Center for Neutron Research

  • J.W. Lynn

    • NIST Center for Neutron Research

  • S. Li

    • Beijing National Laboratory, Institute of Physics for Condensed Matter Physics, Chinese Academy of Sciences, Beijing China

  • P. Dai

    • Department of Physics and Astronomy, University of Tennessee, Knoxville, TN; Neutron Scattering Science Dvision, Oak Ridge National Laboratory

  • G.F. Chen

    • Beijing National Laboratory, Institute of Physics for Condensed Matter Physics, Chinese Academy of Sciences, Beijing China

  • N.L. Wang

    • Beijing National Laboratory, Institute of Physics for Condensed Matter Physics, Chinese Academy of Sciences, Beijing China

  View abstract →

• Temperature-pressure-composition phase diagram for Ba(Fe$_{1-x}$Ru$_{x})_{2}$As$_{2}$ (x$\le $0.285 and P$\le $84kbar)

  ORAL

  March 23, 2011, 3:18 PM – March 23, 2011, 3:30 PM

  Authors

  • S.K. Kim

    • Iowa State University and Ames Lab

  • M.S. Torikachvili

    • Iowa State University, Ames Lab. and San Diego State University

  • Alexander Thaler

    • Ames Laboratory U.S. DOE and Department of Physics and Astronomy, Iowa State University
    • Iowa State University and Ames Lab.
    • Iowa State University/Ames Lab
    • Department of Physics and Astronomy, Iowa State University and Ames Laboratory, Ames, IA

  • E.C. Colombier

    • Iowa State University and Ames Lab.

  • Sergey Bud'ko

    • Ames Laboratory
    • Ames Laboratory U.S. DOE and Department of Physics and Astronomy, Iowa State University
    • Iowa State University
    • Iowa State University and Ames Lab.
    • Iowa State University/Ames Lab
    • Iowa State University and Ames Laboratory US DOE
    • Ames Laboratory and Iowa State University, IA, USA
    • Ames Laboratory, Iowa State University

  • Paul Canfield

    • Ames Laboratory and Dept. of Physics and Astronomy, Iowa State University
    • Ames Laboratory U.S. DOE and Department of Physics and Astronomy, Iowa State University
    • Iowa State University
    • Iowa State University and Ames Lab.
    • Iowa State University/Ames Lab
    • Iowa State University, Ames Laboratory
    • Ames Laboratory and Iowa State University, IA, USA
    • Ames Laboratory, Ames, IA 50011, U.S.A.
    • Ames Laboratory, Iowa State University

  View abstract →

• Phase diagram of superconductivity and antiferromagnetism in single crystals of Sr(Fe1-xCox)2As2 and Sr1-yEuy (Fe0.88Co0.12)2As2

  ORAL

  March 23, 2011, 3:30 PM – March 23, 2011, 3:42 PM

  Authors

  • Rongwei Hu

    • Iowa State University
    • Iowa State University/Ames Lab

  • Sergey Bud'ko

    • Ames Laboratory
    • Ames Laboratory U.S. DOE and Department of Physics and Astronomy, Iowa State University
    • Iowa State University
    • Iowa State University and Ames Lab.
    • Iowa State University/Ames Lab
    • Iowa State University and Ames Laboratory US DOE
    • Ames Laboratory and Iowa State University, IA, USA
    • Ames Laboratory, Iowa State University

  • Paul Canfield

    • Ames Laboratory and Dept. of Physics and Astronomy, Iowa State University
    • Ames Laboratory U.S. DOE and Department of Physics and Astronomy, Iowa State University
    • Iowa State University
    • Iowa State University and Ames Lab.
    • Iowa State University/Ames Lab
    • Iowa State University, Ames Laboratory
    • Ames Laboratory and Iowa State University, IA, USA
    • Ames Laboratory, Ames, IA 50011, U.S.A.
    • Ames Laboratory, Iowa State University

  View abstract →

• Lattice distortion and magnetic quantum phase transition in CeFeAs$_{1-x}$P$_{x}$O

  COFFEE_KLATCH · Invited

  March 23, 2011, 3:42 PM – March 23, 2011, 4:18 PM

  Authors

  • Clarina Dela Cruz

    • Oak Ridge National Laboratory
    • Neutron Scattering Science Division, Oak Ridge National Laboratory
    • High flux Isotope reactor, Oak Ridge Tennessee

  View abstract →

• Rare earth substitution in AFe2As2 single crystals

  ORAL

  March 23, 2011, 4:18 PM – March 23, 2011, 4:30 PM

  Authors

  • Shanta Saha

    • Center for Nanophysics and Advanced Materials, Department of Physics, University of Maryland, College Park, MD
    • Center for Nano Physics and Advanced Materials, Department of Physics, University of Maryland, College Park, MD
    • University of Maryland at College Park
    • University of Maryland

  • Nick Butch

    • Center for Nanophysics and Advanced Materials, U. of Maryland
    • Center for Nanophysics and Advanced Materials, Department of Physics, University of Maryland, College Park, MD
    • Center for Nano Physics and Advanced Materials, Department of Physics, University of Maryland, College Park, MD
    • Department of Physics, University of Maryland
    • Center for Nanophysics and Advanced Materials, Department of Physics, University of Maryland, College Park
    • University of Maryland
    • Center for Nanophysics \& Advanced Materials and Department of Physics, University of Maryland, College Park, MD 20742, USA

  • Tyler Drye

    • Center for Nanophysics and Advanced Materials, Department of Physics, University of Maryland, College Park, MD
    • Center for Nano Physics and Advanced Materials, Department of Physics, University of Maryland, College Park, MD
    • University of Maryland at College Park

  • Jeff Mcgill

    • Center for Nano Physics and Advanced Materials, Department of Physics, University of Maryland, College Park, MD

  • Johnpierre Paglione

    • Center for Nanophysics and Advanced Materials, U. of Maryland
    • University of Maryland
    • Center for Nanophysics and Advanced Materials, Department of Physics, University of Maryland, College Park, MD
    • Center for Nano Physics and Advanced Materials, Department of Physics, University of Maryland, College Park, MD
    • Department of Physics, University of Maryland
    • University of Maryland at College Park
    • Center for Nanophysics \& Advanced Materials and Department of Physics, University of Maryland, College Park, MD 20742, USA

  • Peter Zavalij

    • Department of Chemistry and Biochemistry, University of Maryland, College Park, MD

  • Jeffrey Lynn

    • NIST Center for Neutron Research, Gaithersburg, MD
    • National Institute of Standards and Technology
    • NIST Center for Neutron Research

  View abstract →

• Magneto-elastic Coupling in Single-crystal CeFeAsO

  ORAL

  March 23, 2011, 4:30 PM – March 23, 2011, 4:42 PM

  Authors

  • H.-F. Li

  • Jiaqiang Yan

    • Ames Lab - USDOE
    • Iowa State University/Ames Lab
    • Ames laboratory, US-DOE, Ames, IA 50010

  • J.W. Kim

  • R.W. McCallum

  • T.A. Lograsso

    • Ames Lab - USDOE

  • David Vaknin

    • Ames Laboratory, and Department of Physics, Iowa State University, Ames, Iowa 50011

  View abstract →

• Competing magnetic ground states in Ba(Fe$_{1-x}$Cr$_x$)$_2$As$_2$

  ORAL

  March 23, 2011, 4:42 PM – March 23, 2011, 4:54 PM

  Authors

  • Marty Karol

    • ORNL
    • Oak Ridge National Laboratory

  • M.D. Lumsden

    • ORNL

  • A.D. Christianson

    • ORNL

  • C. Wang

    • ORNL

  • M. Matsuda

    • ORNL

  • H. Cao

    • ORNL

  • L. VanBebber

    • University of Tennessee

  • J.L. Zarestky

    • ORNL and Ames Laboratory

  • D.J. Singh

    • ORNL

  • A.S. Sefat

    • ORNL

  View abstract →

• Superconductivity and magnetism in Eu$_{1-x}$K$_{x}$Fe$_{2}$(As$_{1-y}$P$_y$)$_2$

  ORAL

  March 23, 2011, 4:54 PM – March 23, 2011, 5:06 PM

  Authors

  • H.S. Jeevan

    • Physikalisches Institut, Georg-August-Universitaet Goettingen, D-37077 Goettingen, Germany

  • J. Maiwald

    • Physikalisches Institut, Georg-August-Universitaet Goettingen, D-37077 Goettingen, Germany

  • Philip Gegenwart

    • Physikalisches Institut, Georg-August-Universitaet Goettingen, D-37077 Goettingen, Germany

  • Deepa Kasinathan

    • MPI CPfS - Dresden

  • Helge Rosner

    • MPI CPfS - Dresden

  View abstract →

• Effects of annealing time and temperature on the transition temperature and low temperature state of AFe2As2 materials

  ORAL

  March 23, 2011, 5:06 PM – March 23, 2011, 5:18 PM

  Authors

  • Sheng Ran

    • Ames Laboratory U.S. DOE and Department of Physics and Astronomy, Iowa State University
    • Iowa State University/Ames Lab

  • Sergey Bud'ko

    • Ames Laboratory
    • Ames Laboratory U.S. DOE and Department of Physics and Astronomy, Iowa State University
    • Iowa State University
    • Iowa State University and Ames Lab.
    • Iowa State University/Ames Lab
    • Iowa State University and Ames Laboratory US DOE
    • Ames Laboratory and Iowa State University, IA, USA
    • Ames Laboratory, Iowa State University

  • Alexander Thaler

    • Ames Laboratory U.S. DOE and Department of Physics and Astronomy, Iowa State University
    • Iowa State University and Ames Lab.
    • Iowa State University/Ames Lab
    • Department of Physics and Astronomy, Iowa State University and Ames Laboratory, Ames, IA

  • Dominic Ryan

    • Physics Department/McGill University

  • Y. Furukawa

    • Ames Laboratory U.S. DOE and Department of Physics and Astronomy, Iowa State University
    • Ames Laboratory, Dept. of Phys. and Astro., Iowa State Univ.

  • Beas Roy

    • Ames Laboratory U.S. DOE and Department of Physics and Astronomy, Iowa State University

  • A. Kreyssig

    • Ames Laboratory U.S. DOE and Department of Physics and Astronomy, Iowa State University
    • Iowa State University

  • Robert McQueeney

    • Ames Laboratory U.S. DOE and Department of Physics and Astronomy, Iowa State University

  • Daniel Pratt

    • Ames Laboratory, USDOE and Iowa State University
    • Ames Laboratory U.S. DOE and Department of Physics and Astronomy, Iowa State University

  • A.I. Goldman

    • Ames Laboratory, USDOE and Iowa State University
    • Ames Laboratory U.S. DOE and Department of Physics and Astronomy, Iowa State University

  • Paul Canfield

    • Ames Laboratory and Dept. of Physics and Astronomy, Iowa State University
    • Ames Laboratory U.S. DOE and Department of Physics and Astronomy, Iowa State University
    • Iowa State University
    • Iowa State University and Ames Lab.
    • Iowa State University/Ames Lab
    • Iowa State University, Ames Laboratory
    • Ames Laboratory and Iowa State University, IA, USA
    • Ames Laboratory, Ames, IA 50011, U.S.A.
    • Ames Laboratory, Iowa State University

  View abstract →

• Miscibility gap between BaMn$_2$As$_2$ and BaFe$_2$As$_2$

  ORAL

  March 23, 2011, 5:18 PM – March 23, 2011, 5:30 PM

  Authors

  • Abhishek Pandey

    • Ames Laboratory and Department of Physics and Astronomy, Iowa State University, Ames, Iowa 50011

  • D.C. Johnston

    • Ames Laboratory and Department of Physics and Astronomy, Iowa State University, Ames, Iowa 50011
    • Ames Laboratory, Dept. of Phys. and Astro., Iowa State Univ.

  View abstract →