Focus Session: Fe-based Superconductors-STM and Neutrons

Presentations

• The electronic phase diagram of NaFe$_{\mathrm{1-x}}$Co$_{\mathrm{x}}$As studied by scanning tunneling microscopy

  COFFEE_KLATCH · Invited

  March 5, 2014, 2:30 PM – March 5, 2014, 3:06 PM

  Authors

  • Yayu Wang

    • Tsinghua University

  View abstract →

• The upper critical field of NaFe$_{1-x}$Co$_x$As superconductors

  ORAL

  March 5, 2014, 3:06 PM – March 5, 2014, 3:18 PM

  Authors

  • Saman Ghannadzadeh

    • University of Oxford
    • University of Oxford, UK

  • Jack D. Wright

    • University of Oxford

  • Francesca R. Foronda

    • University of Oxford

  • Stephen J. Blundell

    • University of Oxford

  • Simon J. Clarke

    • University of Oxford

  • Paul A. Goddard

    • University of Warwick

  View abstract →

• Directly Visualizing Bogoliubov Quasiparticle Interference of LiFeAs: a Way Toward Understanding Superconductivity in Iron Pnictides

  ORAL

  March 5, 2014, 3:18 PM – March 5, 2014, 3:30 PM

  Authors

  • Shun Chi

    • Department of Physics and Astronomy, University of British Columbia; Quantum Matter Institute, University of British Columbia

  • Steven Johnston

    • Department of Physics and Astronomy, Univ. of British Columbia, Vancouver, Canada
    • Department of Physics and Astronomy, University of British Columbia; Quantum Matter Institute, University of British Columbia
    • University of Tennessee

  • G. Levy

    • Department of Physics and Astronomy, University of British Columbia; Quantum Matter Institute, University of British Columbia

  • S. Grothe

    • Department of Physics and Astronomy, Univ. of British Columbia, Vancouver, Canada
    • Department of Physics and Astronomy, University of British Columbia; Quantum Matter Institute, University of British Columbia

  • R. Szedlak

    • Department of Physics and Astronomy, University of British Columbia; Quantum Matter Institute, University of British Columbia

  • B. Ludbrook

    • Department of Physics and Astronomy, University of British Columbia; Quantum Matter Institute, University of British Columbia

  • Ruixing Liang

    • The University of British Columbia
    • University of British Columbia
    • Department of Physics and Astronomy, University of British Columbia; Quantum Matter Institute, University of British Columbia

  • P. Dosanjh

    • Department of Physics and Astronomy, Univ. of British Columbia, Vancouver, Canada
    • The University of British Columbia
    • Department of Physics and Astronomy, University of British Columbia; Quantum Matter Institute, University of British Columbia

  • Sarah Burke

    • Department of Physics and Astronomy, Department of Chemistry, Univ. of British Columbia, Vancouver, Canada
    • Department of Physics \& Astronomy and Department of Chemistry, University of British Columbia
    • Department of Physics and Astronomy, University of British Columbia; Quantum Matter Institute, University of British Columbia
    • University of British Columbia
    • Univ British Columbia

  • Andrea Damascelli

    • Department of Physics and Astronomy, University of British Columbia; Quantum Matter Institute, University of British Columbia
    • University of British Columbia, Vancouver, Canada

  • Doug Bonn

    • The University of British Columbia
    • Department of Physics and Astronomy, University of British Columbia; Quantum Matter Institute, University of British Columbia
    • Univ British Columbia
    • University of British Columbia

  • Walter Hardy

    • The University of British Columbia
    • University of British Columbia
    • Department of Physics and Astronomy, University of British Columbia; Quantum Matter Institute, University of British Columbia

  • Y. Pennec

    • Department of Physics and Astronomy, University of British Columbia; Quantum Matter Institute, University of British Columbia

  View abstract →

• Doping dependence of nematicity in NaFe$_{\mathrm{1-x}}$Co$_{\mathrm{x}}$As imaged with scanning tunneling spectroscopy

  ORAL

  March 5, 2014, 3:30 PM – March 5, 2014, 3:42 PM

  Authors

  • Ethan P. Rosenthal

    • Columbia University

  • Erick Andrade

    • Columbia University

  • Carlos Arguello

    • Columbia University

  • Rafael Fernandes

    • University of Minnesota

  • Li-Ying Xing

    • Institute of Physics, Chinese Academy of Sciences

  • Xian-Cheng Wang

    • Institute of Physics, Chinese Academy of Sciences

  • Chang-Qing Jin

    • Institute of Physics, Chinese Academy of Sciences

  • Andrew Millis

    • Columbia University

  • Abhay Pasupathy

    • Columbia University

  View abstract →

• Multiple superconducting gaps in hole-doped Ba$_{0.85}$K$_{0.15}$Fe$_{2}$As$_{2}$ observed by nano-scale Andreev reflection spectroscopy

  ORAL

  March 5, 2014, 3:42 PM – March 5, 2014, 3:54 PM

  Authors

  • Guoxiong Su

    • University of Houston

  View abstract →

• The low temperature magnetic structure of superconducting FeTeO$_{\mathrm{x}}$ films

  ORAL

  March 5, 2014, 3:54 PM – March 5, 2014, 4:06 PM

  Authors

  • L.K. Narangammana

    • University of Connecticut, Storrs, CT 06269

  • J.I. Budnick

    • University of Connecticut
    • University of Connecticut, Storrs, CT 06269

  • W.A. Hines

    • University of Connecticut
    • University of Connecticut, Storrs, CT 06269

  • C. Niedermayer

    • Laboratory for Neutron Scattering, Paul Scherrer Institut
    • Paul Scherrer Institut Villigen, PSI, Switzerland

  • Esen Alp

    • Argonne National Laboratory, Argonne, IL 60439
    • Argonna National Laboratory

  • W. Bi

    • Argonne National Laboratory, Argonne, IL 60439

  • D.G. Hinks

    • Argonne National Laboratory, Argonne, IL 60439

  • D.E. Brown

    • Argonne National Laboratory, Argonne, IL 60439

  • B.O. Wells

    • University of Connecticut
    • University of Connecticut, Storrs, CT 06269

  View abstract →

• Determination of a Magnetic Component to the Superconducting Condensation Energy for Fe$_{\mathrm{1+\delta }}$Se$_{\mathrm{x}}$Te$_{\mathrm{1-x}}$

  ORAL

  March 5, 2014, 4:06 PM – March 5, 2014, 4:18 PM

  Authors

  • Jonathan Leiner

    • Oak Ridge National Lab

  • Vivek Thampy

    • Brookhaven National Lab
    • CMPMSD, Brookhaven Natl Lab, USA

  • M.D. Lumsden

    • Oak Ridge National Lab
    • Quantum Condensed Matter Division, Oak Ridge National Laboratory

  • Andrew Christianson

    • Oak Ridge National Lab

  • D.L. Abernathy

    • Oak Ridge National Laboratory
    • Oak Ridge National Lab
    • Quantum Condensed Matter Division, Oak Ridge National Laboratory

  • Brian Sales

    • Oak Ridge National Lab
    • Oak Ridge National Laboratory

  • A.S. Sefat

    • Oak Ridge National Laboratory
    • Oak Ridge National Lab
    • Materials Science and Technology Division, Oak Ridge National Laboratory

  • Zhiqiang Mao

    • Tulane University

  • Jin Hu

    • Tulane University

  • Wei Bao

    • Renmin University of China

  • Collin Broholm

    • Johns Hopkins University
    • Institute for Quantum Matter, Johns Hopkins University, NIST Center for Neutron Research

  View abstract →

• Neutron Scattering Study of Low Energy Magnetic Excitation in FeTeSe System

  ORAL

  March 5, 2014, 4:18 PM – March 5, 2014, 4:30 PM

  Authors

  • Zhijun Xu

    • University of California, Berkeley
    • UC Berkeley

  • Jinsheng Wen

    • Nanjing University

  • John Schneeloch

    • Brookhaven National Lab

  • Masaaki Matsuda

    • Oak Ridge National Lab

  • A.D. Christianson

    • Oak Ridge National Lab

  • Genda Gu

    • Brookhaven National Lab

  • I.A. Zaliznyak

    • Brookhaven National Lab

  • Guangyong Xu

    • Brookhaven National Lab

  • J.M. Tranquada

    • Brookhaven National Lab

  • R.J. Birgeneau

    • University of California, Berkeley

  View abstract →

• Observation of acoustic-phonon-like mode driven by magnetic imbalance between neighboring Fe atoms in Fe$_{1+y}$Te ($y < 0.12$)

  ORAL

  March 5, 2014, 4:30 PM – March 5, 2014, 4:42 PM

  Authors

  • David Fobes

    • Brookhaven National Lab, Upton, NY 11973, USA

  • Igor Zaliznyak

    • Brookhaven National Lab, Upton, NY 11973, USA

  • Zhijun Xu

    • Brookhaven National Lab, Upton, NY 11973, USA

  • Genda Gu

    • Brookhaven National Lab, Upton, NY 11973, USA

  • John M. Tranquada

    • Brookhaven National Lab, Upton, NY 11973, USA

  • Xu-Gang He

    • Brookhaven National Lab, Upton, NY 11973, USA

  • Wei Ku

    • Brookhaven National Lab, Upton, NY 11973, USA

  • Ovidiu Garlea

    • Oak Ridge National Lab, Oak Ridge, TN, 37831, USA

  View abstract →

• The non-magnetic collapsed tetragonal phase of CaFe$_{2}$As$_{2}$ and superconductivity in the iron pnictides

  ORAL

  March 5, 2014, 4:42 PM – March 5, 2014, 4:54 PM

  Authors

  • J.H. Soh

    • Ames Laboratory/ Iowa State University

  • Gregory S. Tucker

    • Ames Laboratory and Department of Physics \& Astronomy, Iowa State University
    • Ames Laboratory/ Iowa State University
    • Ames Laboratory, Dept. of Physics and Astronomy, Iowa State University

  • D.K. Pratt

    • NCNR, NIST, MD
    • National Institute of Standards and Technology

  • D.L. Abernathy

    • Oak Ridge National Laboratory
    • Oak Ridge National Lab
    • Quantum Condensed Matter Division, Oak Ridge National Laboratory

  • M.B. Stone

    • Oak Ridge National Laboratory

  • Sheng Ran

    • Iowa State University, Ames Lab
    • Ames Laboratory/ Iowa State University
    • The Ames Laboratory, Ames, IA 50011, USA
    • Ames Lab, Department of Physics, Iowa State University

  • S.L. Bud&#039;ko

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

  • Paul C. Canfield

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

  • Andreas Kreyssig

    • Ames Laboratory and Iowa State University
    • Ames Lab., Iowa State Univ., IA
    • Ames Laboratory/ Iowa State University
    • Iowa State University
    • Ames Laboratory, Dept. Physics Astronomy, Iowa State University
    • The Ames Laboratory, Iowa State University, Ames, USA
    • Ames Laboratory and Dept. of Physics and Astronomy, Iowa State University

  • Robert J. McQueeney

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

  • Alan I. Goldman

    • Ames Laboratory and Iowa State University
    • Ames Lab., Iowa State Univ., IA
    • Ames Laboratory/ Iowa State University
    • Ames Laboratory and Dept. of Physics and Astronomy, Iowa State University

  View abstract →

• The structural and magnetic properties of Cs$_{\mathrm{x}}$Fe$_{\mathrm{2-y}}$Se$_{2}$ as determined by x ray and neutron scattering of powder and single crystal samples

  ORAL

  March 5, 2014, 4:54 PM – March 5, 2014, 5:06 PM

  Authors

  • Keith Taddei

    • Argonne National Laboratory
    • Northern Illinois Univ

  • Omar Chmaissem

    • Northern Illinois University and Argonne National Laboratory

  • Mihai Sturza

    • Argonne National Laboratory

  • Sevda Avci

    • Bursa Technical University

  • Helmut Claus

    • Argonne National Laboratory

  • Mercouri Kanatzidis

    • Northwestern University

  • Stephan Rosenkranz

    • Argonne National Laboratory

  • Ray Osborn

    • Argonne National Laboratory

  View abstract →

• Magnetic Excitations in Cr-Ru Superconducting Alloy

  ORAL

  March 5, 2014, 5:06 PM – March 5, 2014, 5:18 PM

  Authors

  • Mehmet Ramazanoglu

    • Ames Lab

  • Robert J. McQueeney

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

  • Thomas A. Lograsso

    • Ames Lab. Iowa State Univ., IA
    • Ames Laboratory, U.S. DOE; Division of Materials Sciences and Engineering, Iowa State University

  • Deborah L. Schagel

    • Ames Lab. Iowa State Univ., IA

  • Andreas Kreyssig

    • Ames Laboratory and Iowa State University
    • Ames Lab., Iowa State Univ., IA
    • Ames Laboratory/ Iowa State University
    • Iowa State University
    • Ames Laboratory, Dept. Physics Astronomy, Iowa State University
    • The Ames Laboratory, Iowa State University, Ames, USA
    • Ames Laboratory and Dept. of Physics and Astronomy, Iowa State University

  • Alan I. Goldman

    • Ames Laboratory and Iowa State University
    • Ames Lab., Iowa State Univ., IA
    • Ames Laboratory/ Iowa State University
    • Ames Laboratory and Dept. of Physics and Astronomy, Iowa State University

  • D.K. Pratt

    • NCNR, NIST, MD
    • National Institute of Standards and Technology

  • Jeffrey Lynn

    • NCNR, NIST, MD
    • NIST Center for Neutron Research, NIST
    • NIST Center for Neutron Research
    • NIST Center for Neutron Research, Gaithersburg, MD 20899

  • Garrett Granroth

    • Oak Ridge National Laboratory
    • Quantum Condensed Matter Division, Oak Ridge National Laboratory, Oak Ridge TN 37830 USA
    • ORNL, TN
    • Neutron Data Analysis and Visualization Division, Oak Ridge National Laboratory
    • Oak Ridge National Lab
    • Quantum Condensed Matter Division, Oak Ridge National Laboratory

  View abstract →

• Physical properties of Rh substituted CaFe$_{2}$As $_{2}$ tuned by annealing/quenching

  ORAL

  March 5, 2014, 5:18 PM – March 5, 2014, 5:30 PM

  Authors

  • Sheng Ran

    • Iowa State University, Ames Lab
    • Ames Laboratory/ Iowa State University
    • The Ames Laboratory, Ames, IA 50011, USA
    • Ames Lab, Department of Physics, Iowa State University

  • S.L. Bud&#039;ko

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

  • Paul C. Canfield

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

  View abstract →