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Title: Oxypnictide SmFeAs(O,F) superconductor: a candidate for high–field magnet applications

Abstract

The recently discovered oxypnictide superconductor SmFeAs(O,F) is the most attractive material among the Fe-based superconductors due to its highest transition temperature of 56 K and potential for high-field performance. In order to exploit this new material for superconducting applications, the knowledge and understanding of its electro-magnetic properties are needed. Recent success in fabricating epitaxial SmFeAs(O,F) thin films opens a great opportunity to explore their transport properties. Here we report on a high critical current density of over 105 A/cm2 at 45 T and 4.2 K for both main field orientations, feature favourable for high-field magnet applications. Additionally, by investigating the pinning properties, we observed a dimensional crossover between the superconducting coherence length and the FeAs interlayer distance at 30–40 K, indicative of a possible intrinsic Josephson junction in SmFeAs(O,F) at low temperatures that can be employed in electronics applications such as a terahertz radiation source and a superconducting Qubit.

Authors:
 [1];  [1];  [2];  [1];  [2];  [3];  [3];  [4];  [4];  [1];  [1];  [1];  [1]
  1. Leibniz Inst. for Solid State and Materials Research (IFW), Dresden (Germany). Inst. for Metallic Materials
  2. Florida State Univ., Tallahassee, FL (United States). National High Magnetic Field Lab. (MagLab), Applied Superconductivity Center
  3. Tokyo Univ. of Agriculture, Koganei (Japan). Dept. of Applied Physics
  4. Central Research Inst. of Electric Power Industry, Kanagawa (Japan)
Publication Date:
Research Org.:
Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
Sponsoring Org.:
USDOE Office of Science (SC)
OSTI Identifier:
1624629
Grant/Contract Number:  
AC52-06NA25396
Resource Type:
Accepted Manuscript
Journal Name:
Scientific Reports
Additional Journal Information:
Journal Volume: 3; Journal Issue: 1; Journal ID: ISSN 2045-2322
Publisher:
Nature Publishing Group
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; 71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; 77 NANOSCIENCE AND NANOTECHNOLOGY; 75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; Applied physics; Materials science; Nanoscience and technology; Superconducting properties and materials

Citation Formats

Iida, Kazumasa, Hänisch, Jens, Tarantini, Chiara, Kurth, Fritz, Jaroszynski, Jan, Ueda, Shinya, Naito, Michio, Ichinose, Ataru, Tsukada, Ichiro, Reich, Elke, Grinenko, Vadim, Schultz, Ludwig, and Holzapfel, Bernhard. Oxypnictide SmFeAs(O,F) superconductor: a candidate for high–field magnet applications. United States: N. p., 2013. Web. doi:10.1038/srep02139.
Iida, Kazumasa, Hänisch, Jens, Tarantini, Chiara, Kurth, Fritz, Jaroszynski, Jan, Ueda, Shinya, Naito, Michio, Ichinose, Ataru, Tsukada, Ichiro, Reich, Elke, Grinenko, Vadim, Schultz, Ludwig, & Holzapfel, Bernhard. Oxypnictide SmFeAs(O,F) superconductor: a candidate for high–field magnet applications. United States. https://doi.org/10.1038/srep02139
Iida, Kazumasa, Hänisch, Jens, Tarantini, Chiara, Kurth, Fritz, Jaroszynski, Jan, Ueda, Shinya, Naito, Michio, Ichinose, Ataru, Tsukada, Ichiro, Reich, Elke, Grinenko, Vadim, Schultz, Ludwig, and Holzapfel, Bernhard. Thu . "Oxypnictide SmFeAs(O,F) superconductor: a candidate for high–field magnet applications". United States. https://doi.org/10.1038/srep02139. https://www.osti.gov/servlets/purl/1624629.
@article{osti_1624629,
title = {Oxypnictide SmFeAs(O,F) superconductor: a candidate for high–field magnet applications},
author = {Iida, Kazumasa and Hänisch, Jens and Tarantini, Chiara and Kurth, Fritz and Jaroszynski, Jan and Ueda, Shinya and Naito, Michio and Ichinose, Ataru and Tsukada, Ichiro and Reich, Elke and Grinenko, Vadim and Schultz, Ludwig and Holzapfel, Bernhard},
abstractNote = {The recently discovered oxypnictide superconductor SmFeAs(O,F) is the most attractive material among the Fe-based superconductors due to its highest transition temperature of 56 K and potential for high-field performance. In order to exploit this new material for superconducting applications, the knowledge and understanding of its electro-magnetic properties are needed. Recent success in fabricating epitaxial SmFeAs(O,F) thin films opens a great opportunity to explore their transport properties. Here we report on a high critical current density of over 105 A/cm2 at 45 T and 4.2 K for both main field orientations, feature favourable for high-field magnet applications. Additionally, by investigating the pinning properties, we observed a dimensional crossover between the superconducting coherence length and the FeAs interlayer distance at 30–40 K, indicative of a possible intrinsic Josephson junction in SmFeAs(O,F) at low temperatures that can be employed in electronics applications such as a terahertz radiation source and a superconducting Qubit.},
doi = {10.1038/srep02139},
journal = {Scientific Reports},
number = 1,
volume = 3,
place = {United States},
year = {Thu Jul 04 00:00:00 EDT 2013},
month = {Thu Jul 04 00:00:00 EDT 2013}
}

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