New Fe-based Superconductors and Related Materials II

Presentations

• Interplay of structure, magnetism and superconductivity in the 112 Fe based superconducting family

  COFFEE_KLATCH · Invited

  March 18, 2016, 8:00 AM – March 18, 2016, 8:36 AM

  Authors

  • Ni Ni

    • Univ of California - Los Angeles

  View abstract →

• Structural symmetries of the 112-type iron-based superconductor (Ca$_{1-x}$La$_x$)FeAs$_2$ studied using nonlinear and ultrafast optics

  ORAL

  March 18, 2016, 8:36 AM – March 18, 2016, 8:48 AM

  Authors

  • John Harter

    • Institute for Quantum Information and Matter, California Institute of Technology

  • Hao Chu

    • Institute for Quantum Information and Matter, California Institute of Technology

  • Shan Jiang

    • Department of Physics & Astronomy, University of California, Los Angeles

  • Ni Ni

    • Department of Physics & Astronomy, University of California, Los Angeles

  • David Hsieh

    • Institute for Quantum Information and Matter, California Institute of Technology

  View abstract →

• ABSTRACT WITHDRAWN

  March 18, 2016, 8:48 AM – March 18, 2016, 9:00 AM

  View abstract →

• The Interplay of Fe and Ce Magnetism in Ca$_{0.71}$ Ce$_{0.29}$(Fe$_{1-x}$Co$_x$)As$_2$ single crystals

  ORAL

  March 18, 2016, 9:00 AM – March 18, 2016, 9:12 AM

  Authors

  • Shan Jiang

    • Univ of California - Los Angeles
    • UCLA

  • Lian Liu

    • Columbia University

  • Huibo Cao

    • Oak Ridge National Lab
    • Oak Ridge National Laboratory
    • Quantum Condensed Matter Div., Oak Ridge National Laboratory, Oak Ridge, TN - 37830

  • Wei Tian

    • Oak Ridge National Laboratory
    • Oak Ridge National Lab

  • Eve Emmanuelidu

    • Univ of California - Los Angeles

  • Aoshuang Shi

    • Univ of California - Los Angeles

  • Yasutomo Uemura

    • Columbia University

  • Ni Ni

    • Univ of California - Los Angeles
    • University of California at Los Angels
    • UCLA, Department of Physics and Astronomy
    • UCLA

  View abstract →

• Thallium-doped BaFe$_{\mathrm{2}}$As$_{\mathrm{2}}$ crystals: The unusual competition between magneto-elastic coupling and charge doping

  ORAL

  March 18, 2016, 9:12 AM – March 18, 2016, 9:24 AM

  Authors

  • Athena S. Sefat

    • Oak Ridge National Lab
    • Oak Ridge National Laboratory (ORNL)
    • Oak Ridge National Laboratory

  • L. Li

    • Oak Ridge National Lab
    • Oak Ridge National Laboratory (ORNL)

  • Huibo Cao

    • Oak Ridge National Lab
    • Oak Ridge National Laboratory
    • Quantum Condensed Matter Div., Oak Ridge National Laboratory, Oak Ridge, TN - 37830

  • Brian Sales

    • Oak Ridge National Lab

  • Michael McGuire

    • Oak Ridge National Lab
    • Oak Ridge National Laboratory

  • Radu Custelcean

    • Oak Ridge National Lab

  • David Parker

    • Oak Ridge National Lab
    • Oak Ridge National Laboratory

  View abstract →

• Structural and antiferromagnetic properties of Ba(Fe$_{\mathrm{1-}}_{x}_{\mathrm{-}}_{y}$Co$_{x}$Rh$_{y})_{\mathrm{2}}$As$_{\mathrm{2}}$ compounds

  ORAL

  March 18, 2016, 9:24 AM – March 18, 2016, 9:36 AM

  Authors

  • Min Gyu Kim

    • Lawrence Berkeley National Laboratory

  • T. W. Heitmann

    • The Missouri Research Reactor

  • S. R. Mulcahy

    • University of California, Berkeley

  • E. D. Bourret-Courchesne

    • Lawrence Berkeley National Laboratory

  • R. J. Birgeneau

    • University of California, Berkeley

  View abstract →

• Search for New Superconductors: An Electro-Magnetic Phase Transition in an Iron Meteorite Inclusion at 117 K

  ORAL

  March 18, 2016, 9:36 AM – March 18, 2016, 9:48 AM

  Authors

  • Stefan Guenon

    • PIT, Nano Atomoptics, University of Tuebingen, Germany
    • Physics Department, University of Tuebingen

  • J. Gabriel Ramirez

    • Department of Physics, Universidad de los Andes, Bogota, Colombia
    • Physics Department, Universidad de los Andes

  • Ali C. Basaran

    • Department of Physics, Gebze Technical University, Turkey

  • James Wampler

    • Department of Physics and Center for Advanced Nanoscience, University of California San Diego
    • Dept. of Physics, Center for Advanced Nanoscience, Univ. of California

  • Mark Thiemens

    • Department of Chemistry and Biochemistry, University of California San Diego

  • Ivan K. Schuller

    • Department of Physics and Center for Advanced Nanoscience, University of California San Diego
    • University of California San Diego
    • Dept. of Physics, Center for Advanced Nanoscience, Univ. of California
    • Univ California, San Diego

  View abstract →

• Heisenberg Model Analysis on Inelastic Powder Neutron Scattering Data Using Pure and K doped BaMn2As2 samples

  ORAL

  March 18, 2016, 9:48 AM – March 18, 2016, 10:00 AM

  Authors

  • Mehmet Ramazanoglu

    • Istanbul Techinal Univiversity

  • A. Sapkota

    • Ames Lab., Dept. of Physics and Astronomy, Iowa State Univ.
    • Ames Laboratory, Dept. of Physics and Astronomy, Iowa State University
    • Ames Lab. & Iowa State Univ., Ames, IA, 50011

  • A. Pandey

    • Ames Lab., Dept. of Physics and Astronomy, Iowa State Univ.
    • Ames Laboratory, Dept. of Physics and Astronomy, Iowa State University
    • Ames Laboratory, Department of Physics and Astronomy, Iowa State University, Ames, Iowa 50011
    • Ames Lab. & Iowa State Univ., Ames, IA, 50011

  • David C. Johnston

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

  • Alan Goldman

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

  • A. Kreyssig$^{*}$

    • Ames Laboratory, U.S. DOE and Department of Physics and Astronomy, Iowa State University, Ames, Iowa 50011, USA
    • Ames Lab., Dept. of Physics and Astronomy, Iowa State Univ.
    • Ames Laboratory, Dept. of Physics and Astronomy, Iowa State University
    • Ames Lab. & Iowa State Univ., Ames, IA, 50011
    • $^*$Ames Laboratory, Dept. of Phys. and Astro., Iowa State University, IA, USA; $^+$University of Missouri Research Reactor, MO, USA

  • Douglas Abernathy

    • Oak Ridge National Laboratory
    • Oak Ridge NAtional Lab., TN, 37831

  • Jennifer L. Niedziela

    • Oak Ridge National Laboratory
    • Oak Ridge NAtional Lab., TN, 37831
    • Oak Ridge National Laboratory, Materials Science Division

  • Matthew Stone

    • Oak Ridge NAtional Lab., TN, 37831
    • Quantum Condensed Matter Division, Oak Ridge National Laboratories
    • Quantum Condensed Matter Division, Oak Ridge National Laboratory
    • Oak Ridge National Laboratory
    • Spallation Neutron Source, Oak Ridge National Laboratory

  • R.J. McQueeney

    • Ames Laboratory, Dept. of Physics and Astronomy, Iowa State University
    • Ames Lab. & Iowa State Univ., Ames, IA, 50011

  View abstract →

• A new class of half-metallic ferromagnets based on the pnictide superconductors from first principles.

  ORAL

  March 18, 2016, 10:00 AM – March 18, 2016, 10:12 AM

  Authors

  • Sinead Griffin

    • Lawrence Berkeley Natl Lab/UC Berkeley

  • Jeffrey Neaton

    • University of California, Berkeley; Lawrence Berkeley National Laboratory
    • Lawrence Berkeley Natl Lab/UC Berkeley
    • Physics Department, UC Berkeley, The Molecular Foundry, LBNL \& Kavli Energy NanoSciences Institute at Berkeley, Berkeley, CA
    • Molecular Foundry, Lawrence Berkeley National Lab; Department of Physics, University of California Berkeley; Kavli Energy NanoSciences Insitute
    • Molecular Foundry, LBNL; Dept. of Physics, UC Berkeley; Kavli ENSI
    • UC Berkeley; Molecular Foundry, LBNL; Kavli Energy Nanosciences Institute at Berkeley
    • Dept. of Physics, UC Berkeley \& Lawrence Berkeley National Lab (USA)
    • Molecular Foundry, LBNL, Dept. of Physics, UC-Berkeley and Kavli ESNI at Berkeley
    • Molecular Foundry, Lawrence Berkeley National Laboratory
    • Physics Department, UC Berkeley; Molecular Foundry, Lawrence Berkeley National Lab; Kavli Energy NanoSciences Institute at Berkeley

  View abstract →

• Antiferromagnetism in CaAl$_2$Si$_2$-type CaMn$_2$As$_2$ and SrMn$_2$As$_2$ single crystals$^{\ast}$

  ORAL

  March 18, 2016, 10:12 AM – March 18, 2016, 10:24 AM

  Authors

  • N. S. Sangeetha

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

  • A. Pandey

    • Ames Lab., Dept. of Physics and Astronomy, Iowa State Univ.
    • Ames Laboratory, Dept. of Physics and Astronomy, Iowa State University
    • Ames Laboratory, Department of Physics and Astronomy, Iowa State University, Ames, Iowa 50011
    • Ames Lab. & Iowa State Univ., Ames, IA, 50011

  • Zackery A. Benson

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

  • David C. Johnston

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

  View abstract →

• Resistivity Anisotropy in Single Crystals of CaCo$_{1.86}$As$_2$

  ORAL

  March 18, 2016, 10:24 AM – March 18, 2016, 10:36 AM

  Authors

  • Makariy A. Tanatar

    • The Ames Laboratory and Iowa State University
    • Ames Laboratory and Iowa State University
    • Iowa State University/ Ames Laboratory

  • V. K. Anand

    • Ames Laboratory and Iowa State University

  • A. Pandey

    • Ames Laboratory and Iowa State University

  • N. S. Sangeetha

    • Ames Laboratory and Iowa State University

  • D.C. Johnston

    • Ames Laboratory and Iowa State University

  • R. Prozorov

    • Ames Laboratory and Iowa State University

  View abstract →

• \textbf{Wall-like spin excitations in A-type antiferromagnetic CaCo}$_{\mathrm{\mathbf{2}}}$\textbf{As}$_{\mathrm{\mathbf{2}}}$

  ORAL

  March 18, 2016, 10:36 AM – March 18, 2016, 10:48 AM

  Authors

  • A. Sapkota

    • Ames Lab., Dept. of Physics and Astronomy, Iowa State Univ.
    • Ames Laboratory, Dept. of Physics and Astronomy, Iowa State University
    • Ames Lab. & Iowa State Univ., Ames, IA, 50011

  • B. G. Ueland

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

  • A. Pandey

    • Ames Lab., Dept. of Physics and Astronomy, Iowa State Univ.
    • Ames Laboratory, Dept. of Physics and Astronomy, Iowa State University
    • Ames Laboratory, Department of Physics and Astronomy, Iowa State University, Ames, Iowa 50011
    • Ames Lab. & Iowa State Univ., Ames, IA, 50011

  • David C. Johnston

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

  • A. Kreyssig$^{*}$

    • Ames Laboratory, U.S. DOE and Department of Physics and Astronomy, Iowa State University, Ames, Iowa 50011, USA
    • Ames Lab., Dept. of Physics and Astronomy, Iowa State Univ.
    • Ames Laboratory, Dept. of Physics and Astronomy, Iowa State University
    • Ames Lab. & Iowa State Univ., Ames, IA, 50011
    • $^*$Ames Laboratory, Dept. of Phys. and Astro., Iowa State University, IA, USA; $^+$University of Missouri Research Reactor, MO, USA

  • R.J. McQueeney

    • Ames Laboratory, Dept. of Physics and Astronomy, Iowa State University
    • Ames Lab. & Iowa State Univ., Ames, IA, 50011

  • Alan Goldman

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

  • V. K. Anand

    • Helmholtz-Zentrum Berlin für Materialien und Energie GmbH

  • Jennifer L. Niedziela

    • Oak Ridge National Laboratory
    • Oak Ridge NAtional Lab., TN, 37831
    • Oak Ridge National Laboratory, Materials Science Division

  • Douglas Abernathy

    • Oak Ridge National Laboratory
    • Oak Ridge NAtional Lab., TN, 37831

  View abstract →

• Pressure-induced collapsed-tetragonal phase in SrCo$_{2}$As$_{2}$ at ambient temperature

  ORAL

  March 18, 2016, 10:48 AM – March 18, 2016, 11:00 AM

  Authors

  • W. T. Jayasekara

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

  • Udhara Kaluarachchi

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

  • B. G. Ueland

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

  • A. Pandey

    • Ames Lab., Dept. of Physics and Astronomy, Iowa State Univ.
    • Ames Laboratory, Dept. of Physics and Astronomy, Iowa State University
    • Ames Laboratory, Department of Physics and Astronomy, Iowa State University, Ames, Iowa 50011
    • Ames Lab. & Iowa State Univ., Ames, IA, 50011

  • Y. Lee

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

  • Valentin Taufour

    • The Ames Laboratory and Iowa State University
    • Ames Lab., Dept. of Physics and Astronomy, Iowa State Univ.
    • Iowa State University/ Ames Laboratory
    • Ames Laboratory / Iowa State University, Ames, IA 50011, USA

  • A. Sapkota

    • Ames Lab., Dept. of Physics and Astronomy, Iowa State Univ.
    • Ames Laboratory, Dept. of Physics and Astronomy, Iowa State University
    • Ames Lab. & Iowa State Univ., Ames, IA, 50011

  • K. Kothapalli$^{*}$

    • Ames Lab., Dept. of Physics and Astronomy, Iowa State Univ.
    • $^*$Ames Laboratory, Dept. of Phys. and Astro., Iowa State University, IA, USA; $^+$Argonne National Laboratory, Argonne, IL, USA

  • N. S. Sangeetha

    • Ames Lab., Dept. of Physics and Astronomy, Iowa State Univ.

  • Sergey L. Bud'ko

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

  • B. N. Harmon

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

  • Paul C. Canfield

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

  • David C. Johnston

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

  • A. Kreyssig$^{*}$

    • Ames Laboratory, U.S. DOE and Department of Physics and Astronomy, Iowa State University, Ames, Iowa 50011, USA
    • Ames Lab., Dept. of Physics and Astronomy, Iowa State Univ.
    • Ames Laboratory, Dept. of Physics and Astronomy, Iowa State University
    • Ames Lab. & Iowa State Univ., Ames, IA, 50011
    • $^*$Ames Laboratory, Dept. of Phys. and Astro., Iowa State University, IA, USA; $^+$University of Missouri Research Reactor, MO, USA

  • Alan Goldman

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

  • G. Fabbris

    • Argonne Natl. Lab.

  • Y. Feng

    • Argonne Natl. Lab.

  • L. S. I. Veiga

    • Argonne Natl. Lab.

  • A. M. dos Santos

    • Oak Ridge Natl. Lab.

  View abstract →