Nematic Electronic Structure in the “Parent” State of the Iron-Based Superconductor Ca(Fe 1– x Co x ) 2 As 2-Reference-Cited by-同舟云学术

Nematic Electronic Structure in the “Parent” State of the Iron-Based Superconductor Ca(Fe 1– x Co x ) 2 As 2

Published:2010-01-08 Issue:5962 Volume:327 Page:181-184
ISSN:0036-8075
Container-title:Science
language:en
Short-container-title:Science

Author:

Chuang T.-M.¹²,Allan M. P.¹³,Lee Jinho¹⁴,Xie Yang¹,Ni Ni⁵⁶,Bud’ko S. L.⁵⁶,Boebinger G. S.²,Canfield P. C.⁵⁶,Davis J. C.¹³⁴⁷

Affiliation:

1. Laboratory of Atomic and Solid State Physics, Department of Physics, Cornell University, Ithaca, NY 14853, USA.

2. National High Magnetic Field Laboratory, Department of Physics, Florida State University, Tallahassee, FL 32310, USA.

3. School of Physics and Astronomy, University of Saint Andrews, Saint Andrews, Fife KY16 9SS, UK.

4. Condensed Matter Physics and Materials Science Department, Brookhaven National Laboratory, Upton, NY 11973, USA.

5. Ames Laboratory, U.S. Department of Energy (DOE), Iowa State University, Ames, IA 50011, USA.

6. Department of Physics and Astronomy, Iowa State University, Ames, IA 50011, USA.

7. Department of Physics and Astronomy, University of British Columbia, Vancouver, British Columbia, Canada.

Abstract

Nematic Electronic Order in Iron Superconductors The properties of many high-temperature superconductors vary strongly as the composition of a doping element changes, and at sufficient under- or overdoping, other phases with different types of electronic ordering can form. Chuang et al. (p. 181 ; see the Perspective by Fradkin and Kivelson ) use scanning tunneling microscopy techniques to probe the electronic structure of an underdoped compound in the iron superconductor family, Ca(Fe 1− x Co x ) 2 As 2 . They observed periodic nanostructures oriented along Fe–Fe bonds that exhibit an electronic ordering related to ordering seen in nematic liquid crystals.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

Reference35 articles.

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