Bulk charge stripe order competing with superconductivity in La2-xSrxCuO4 (x=0.12)

N. B. Christensen; J. Chang; J. Larsen; M. Fujita; M. Oda; M. Ido; N. Momono; E. M. Forgan; A. T. Holmes; J. Mesot; M. Huecker; M. v. Zimmermann

Bulk charge stripe order competing with superconductivity in La2-xSrxCuO4 (x=0.12)

Superconductivity 2014-04-14 v1 Strongly Correlated Electrons

Authors: N. B. Christensen , J. Chang , J. Larsen , M. Fujita , M. Oda , M. Ido , N. Momono , E. M. Forgan , A. T. Holmes , J. Mesot , M. Huecker , M. v. Zimmermann

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Abstract

We present a volume-sensitive high-energy x-ray diffraction study of the underdoped cuprate high temperature superconductor La2-xSrxCuO4 (x = 0.12, Tc=27 K) in applied magnetic field. Bulk short-range charge stripe order with propagation vector q_ch = (0.231, 0, 0.5) is demonstrated to exist below T_ch = 85(10) K and shown to compete with superconductivity. We argue that bulk charge ordering arises from fluctuating stripes that become pinned near boundaries between orthorhombic twin domains.

Keywords

charge stripe order high-temperature superconductivity La2-xSrxCuO4 x-ray diffraction magnetic field twin domains

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@article{arxiv.1404.3192,
  title  = {Bulk charge stripe order competing with superconductivity in La2-xSrxCuO4 (x=0.12)},
  author = {N. B. Christensen and J. Chang and J. Larsen and M. Fujita and M. Oda and M. Ido and N. Momono and E. M. Forgan and A. T. Holmes and J. Mesot and M. Huecker and M. v. Zimmermann},
  journal= {arXiv preprint arXiv:1404.3192},
  year   = {2014}
}

Comments

5 pages, 4 figures. To be submitted to Phys. Rev. Lett

Bulk charge stripe order competing with superconductivity in La2-xSrxCuO4 (x=0.12)

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