Focus Session: Iron Pnictides and Other Novel Superconductors XVI: Hc2 and Vortex Dynamics

Presentations

• Fluorine Doping Effect On H$_{c2}$ and R$_{h}$ In LaFeAsO$_{1-x}$F$_{x}$

  ORAL

  March 20, 2009, 8:00 AM – March 20, 2009, 8:12 AM

  Authors

  • Y. Kohama

    • Los Alamos National Laboratory

  • S. Riggs

    • Los Alamos National Laboratory

  • F. Balakirev

    • Los Alamos National Laboratory

  • M. Jaime

    • Los Alamos National Laboratory

  • Y. Kamihara

    • Tokyo Institute of Technology

  • T. Atake

    • Tokyo Institute of Technology

  • M. Hirano

    • Tokyo Institute of Technology

  • H. Hosono

    • Tokyo Institute of Technology

  View abstract →

• Upper critical fields of NdFeAsO$_{0.7}$F$_{0.3}$ single crystal

  ORAL

  March 20, 2009, 8:12 AM – March 20, 2009, 8:24 AM

  Authors

  • J. Jaroszynski

    • National High Magnetic Field Laboratory, Florida State University, Tallahassee, FL 32310, USA
    • NHMFL
    • NHMFL-Florida State University

  • F. Hunte

    • NHMFL

  • Luis Balicas

    • NHMFL
    • Florida State University
    • National High Magnetic Field Laboratory, Florida State University, Tallahassee-FL 32310, USA

  • Youn-jung Jo

    • National High Magnetic Laboratory
    • NHMFL

  • I. Rai\v{c}evi\'c

    • NHMFL
    • Dept. of Phys. \& Natl. High Magnetic Field Lab., Florida State Univ.

  • Alex Gurevich

    • NHMFL
    • Florida State University
    • NHMFL-Florida State University
    • National High Magnetic Field Laboratory

  • D.C. Larbalestier

    • NHMFL

  • Fedor Balakirev

    • National High Magnetic Field Laboratory
    • NHMFL
    • NHMFL-Los Alamos National Laboratory
    • Los Alamos National Laboratory

  • L. Fang

    • NLS CAS

  • P. Cheng

    • NLS CAS

  • Y. Jia

    • NLS CAS

  • Hai-Hu Wen

    • Institute of Physics, Chinese Academy of Sciences, Beijing, China
    • NLS CAS
    • National Laboratory for Superconductivity, Institute of Physics and Beijing National Laboratory for Condensed Matter Physics, CAS
    • IOP, CAS

  View abstract →

• Determination of anisotropic $H_{c2}$ in (Ba$_{0.55}$K$_{0.45}$)Fe$_2$As$_2$ single crystals

  ORAL

  March 20, 2009, 8:24 AM – March 20, 2009, 8:36 AM

  Authors

  • C. H. Mielke

    • Los Alamos National Laboratory

  • M. M. Altarawneh

    • Los Alamos National Laboratory

  • K. Collar

    • Los Alamos National Laboratory

  • N. Ni

    • Ames Laboratory

  • S. L. Bud'ko

    • Ames Laboratory

  • P. C. Canfield

    • Ames Laboratory

  View abstract →

• Thermodynamic estimation of the upper critical field slope of doped SmFeAsO from fluctuation conductivity in the critical regime

  ORAL

  March 20, 2009, 8:36 AM – March 20, 2009, 8:48 AM

  Authors

  • Marina Putti

    • CNR-INFM-LAMIA and University of Genova, Via Dodecaneso 33, 16146 Genova, Italy
    • LAMIA-INFM-CNR \& Dipartimento di Fisica \& Applied Superconductivity Cen

  • Ilaria Pallecchi

    • CNR-INFM-LAMIA and University of Genova, Via Dodecaneso 33, 16146 Genova, Italy

  • Carlo Fanciulli

    • CNR-INFM-LAMIA and University of Genova, Via Dodecaneso 33, 16146 Genova, Italy

  • Matteo Tropeano

    • CNR-INFM-LAMIA and University of Genova, Via Dodecaneso 33, 16146 Genova, Italy
    • LAMIA-INFM-CNR, Genova- Italy \& Dipartimento di Fisica, Genova- Italy

  • Maurizio Ferretti

    • CNR-INFM-LAMIA and University of Genova, Via Dodecaneso 33, 16146 Genova, Italy

  • Alberto Martinelli

    • CNR-INFM-LAMIA and University of Genova, Via Dodecaneso 33, 16146 Genova, Italy
    • LAMIA-INFM-CNR, Genova- Italy

  • Andrea Palenzona

    • CNR-INFM-LAMIA and University of Genova, Via Dodecaneso 33, 16146 Genova, Italy
    • Dipartimento di Chimica e Chimica Industriale, Genova – Italy \& LAMIA-INFM-CNR

  • Carlo Ferdeghini

    • CNR-INFM-LAMIA and University of Genova, Via Dodecaneso 33, 16146 Genova, Italy
    • LAMIA-INFM-CNR, Genova- Italy

  View abstract →

• Upper critical field in Ba(Fe$_{1-x}$Co$_{x})_{2}$As$_{2}$ and FeSe$_{1-x}$ Te$_{x}$ compounds

  ORAL

  March 20, 2009, 8:48 AM – March 20, 2009, 9:00 AM

  Authors

  • C. Tarantini

    • National High Magnetic Field Laboratory, Florida State University, Tallahassee, FL 32310, USA
    • Florida State University

  • J. Jaroszynski

    • National High Magnetic Field Laboratory, Florida State University, Tallahassee, FL 32310, USA
    • NHMFL
    • NHMFL-Florida State University

  • Jianyi Jiang

    • National High Magnetic Field Laboratory, Florida State University, Tallahassee, FL 32310, USA
    • Florida State University

  • Alexander Gurevich

    • National High Magnetic Field Laboratory, Florida State University, Tallahassee, FL 32310, USA
    • Florida State University

  • David Larbelestier

    • National High Magnetic Field Laboratory, Florida State University, Tallahassee, FL 32310, USA
    • Florida State University
    • NHMFL-Florida State University

  • R. Jin

    • Oak Ridge National Laboratory
    • Materials Science \& Technology Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA

  • A. Sefat

    • Oak Ridge National Laboratory
    • Materials Science \& Technology Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA

  • Michael A. McGuire

    • Oak Ridge National Laboratory
    • Materials Science \& Technology Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA

  • Brian C. Sales

    • Oak Ridge National Laboratory
    • Materials Science \& Technology Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA

  • D. G. Mandrus

    • Oak Ridge National Laboratory
    • Oak Ridge National Laboratory, University of Tennessee
    • Materials Science \& Technology Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA

  View abstract →

• Thermodynamic Determination of the Upper Critical Field and Anisotropy of Ba$_{0.6}$K$_{0.4}$Fe$_{2}$As$_{2}$ Single Crystals

  ORAL

  March 20, 2009, 9:00 AM – March 20, 2009, 9:12 AM

  Authors

  • Wai -K. Kwok

    • Materials Science Division, Argonne National Laboratory, Argonne, IL 60439, USA
    • Argonne National Lab,*Northern Illinois University
    • Argonne National Laboratory
    • Argonne National Lab
    • Argonne National Laboratory, Argonne, IL 60439, USA

  • Ulrich Welp

    • Materials Science Division, Argonne National Laboratory, Argonne, IL 60439, USA
    • Argonne National Laboratory
    • Argonne National Laboratory, Argonne, IL 60439, USA

  • Ruobing Xie

    • Materials Science Division, Argonne National Laboratory, Argonne, IL 60439, USA

  • Alex Koshelev

    • Materials Science Division, Argonne National Laboratory, Argonne, IL 60439, USA
    • Materials Science Division, Argonne National Laboratory
    • Argonne National Laboratory, Argonne, IL 60439, USA
    • Argonne National Laboratory

  • J.A. Schlueter

    • Materials Science Division, Argonne National Laboratory, Argonne, IL 60439, USA
    • Argonne

  • Jiong Hua

    • Materials Science Division, Argonne National Laboratory, Argonne, IL 60439, USA

  • Hui-qian Luo

    • Institute of Physics, Chinese Academy of Sciences, Beijing, China

  • Zhao-sheng Wang

    • Institute of Physics, Chinese Academy of Sciences, Beijing, China

  • Gang Mu

    • Institute of Physics, Chinese Academy of Sciences, Beijing, China

  • Hai-Hu Wen

    • Institute of Physics, Chinese Academy of Sciences, Beijing, China
    • NLS CAS
    • National Laboratory for Superconductivity, Institute of Physics and Beijing National Laboratory for Condensed Matter Physics, CAS
    • IOP, CAS

  View abstract →

• Inter- and intra-granular current properties of iron pnictide superconductors

  ORAL

  March 20, 2009, 9:12 AM – March 20, 2009, 9:24 AM

  Authors

  • Akiyasu Yamamoto

    • National High Magnetic Field Laboratory

  • Anatolii Polyanskii

    • National High Magnetic Field Laboratory

  • Jianyi Jiang

    • National High Magnetic Field Laboratory

  • Fumitake Kametani

    • National High Magnetic Field Laboratory

  • Marina Putti

    • National High Magnetic Field Laboratory

  • Chiara Tarantini

    • National High Magnetic Field Laboratory

  • Frank Hunte

    • National High Magnetic Field Laboratory

  • Jan Jaroszynski

    • National High Magnetic Field Laboratory

  • Eric Hellstrom

    • National High Magnetic Field Laboratory

  • Alex Gurevich

    • National High Magnetic Field Laboratory

  • David Larbalestier

    • National High Magnetic Field Laboratory

  View abstract →

• Magneto-optical imaging of flux distribution in single crystals Ba(Fe$_{1-x}$Co$_x$)$_2$As$_2$ of various doping level $x$.

  ORAL

  March 20, 2009, 9:24 AM – March 20, 2009, 9:36 AM

  Authors

  • P. C. Canfield

  • R. Prozorov

  • N. Ni

  • S. L. Bud'ko

  • Erick C. Blomberg

    • Ames laboratory and Department of Physics \& Astronomy, Iowa State University

  • P. Prommapan

  • M. A. Tanatar

  • V. G. Kogan

  View abstract →

• ABSTRACT WITHDRAWN

  March 20, 2009, 9:36 AM – March 20, 2009, 9:48 AM

  View abstract →

• Similarity Between Fe-based Pnictide Superconductors and High-T$_c$ Cuprates Revealed by the Irreversible Magnetic Behavior in the Vortex State

  ORAL

  March 20, 2009, 9:48 AM – March 20, 2009, 10:00 AM

  Authors

  • Ruslan Prozorov

    • Ames Laboratory

  • M.A. Tanatar

  • C. Martin

  • R.T. Gordon

  • E.C. Blomberg

  • P. Prommapan

  • V.G. Kogan

  • N. Ni

  • M.E. Tillman

  • S.L. Bud'ko

  • P.C. Canfield

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

  View abstract →

• Flux Pinning and Structural Inhomogeneity in Superconducting BaFe$_{1.8}$Co$_{0.2}$As$_{2}$ Single Crystals

  ORAL

  March 20, 2009, 10:00 AM – March 20, 2009, 10:12 AM

  Authors

  • Qiang Li

  • Juan Zhou

    • Brookhaven National Lab

  • Jiufeng Tu

    • City College of New York

  • Yuhang Ren

    • Hunter College, CUNY

  • Linjun Li

  • Yongkang Luo

  • Hang Chen

  • Guanghan Cao

  • Zhu'an Xu

    • Zhe Jiang University

  View abstract →

• Thermally-activated and temperature-independent magnetic relaxation in aligned grains of NdFeAsO(F)

  ORAL

  March 20, 2009, 10:12 AM – March 20, 2009, 10:24 AM

  Authors

  • J.R. Thompson

    • Dept. of Physics, University of Tennessee and Oak Ridge National Laboratory
    • Dept Physics, Univ. Tennessee, Knoxville, TN, USA
    • U. of Tennessee
    • Dept. of Physics, University of Tennessee, and Oak Ridge National Laboratory
    • University of Tennessee

  • Yuri L. Zuev

    • Oak Ridge National Laboratory

  • D. K. Christen

    • Oak Ridge National Laboratory

  • E. D. Specht

    • Oak Ridge National Laboratory

  • R. Jin

    • Oak Ridge National Laboratory
    • Materials Science \& Technology Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA

  • Brian C. Sales

    • Oak Ridge National Laboratory
    • Materials Science \& Technology Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA

  • Michael A. McGuire

    • Oak Ridge National Laboratory
    • Materials Science \& Technology Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA

  • A. Sefat

    • Oak Ridge National Laboratory
    • Materials Science \& Technology Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA

  • D. G. Mandrus

    • Oak Ridge National Laboratory
    • Oak Ridge National Laboratory, University of Tennessee
    • Materials Science \& Technology Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA

  View abstract →

• Magnetic imaging of vortices and inhomogeneity in Ba(Fe,Co)$_2$As$_2$ by magnetic force microscopy

  ORAL

  March 20, 2009, 10:24 AM – March 20, 2009, 10:36 AM

  Authors

  • Weida Wu

  • S. Park

    • Rutgers Center for Emergent Materials and Dept. of Physics \& Astronomy, Rutgers University

  • Linjun Li

  • Yongkang Li

  • Hang Chen

  • Guanghan Cao

  • Zhuan Xu

    • Department of Physics Zhejiang University, Hangzhou 310027 China
    • Zhejiang University

  View abstract →

• Isotropic low-temperature upper critical field in (Ba,K)Fe$_2$As$_2$

  ORAL

  March 20, 2009, 10:36 AM – March 20, 2009, 10:48 AM

  Authors

  • H.Q. Yuan

    • Department of Physics, Zhejiang University
    • Zhejiang University

  • Scot Baily

    • National High Magnetic Field Laboratory

  • John Singleton

    • National High Magnetic Field Laboratory
    • Los Alamos National Laboratory

  • Fedor Balakirev

    • National High Magnetic Field Laboratory
    • NHMFL
    • NHMFL-Los Alamos National Laboratory
    • Los Alamos National Laboratory

  • G.F. Chen

    • Beijing National Laboratory for Condensed Matter Physics

  • J.L. Luo

    • Beijing National Laboratory for Condensed Matter Physics

  • N.L. Wang

    • Beijing National Laboratory for Condensed Matter Physics

  View abstract →

• Unconventional magnetic field-temperature superconducting phase-diagram in Co doped BaFe$_2$As$_2$

  ORAL

  March 20, 2009, 10:48 AM – March 20, 2009, 11:00 AM

  Authors

  • Youn-jung Jo

    • National High Magnetic Laboratory
    • NHMFL

  • R.H. Liu

    • Hefei National Laboratory

  • H. Chen

    • Hefei National Laboratory

  • X.H. Chen

    • Hefei National Laboratory

  • L. Balicas

    • National High Magnetic Laboratory

  View abstract →