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首页> 外文期刊>Physical review >Magnetic field effect in stripe-ordered 214(La_(1.6-x)Nd_(0.4))Sr_xCuO_4 and La_(2-x)Ba_xCuO_4 superconducting cuprates studied by resonant soft x-ray scattering
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Magnetic field effect in stripe-ordered 214(La_(1.6-x)Nd_(0.4))Sr_xCuO_4 and La_(2-x)Ba_xCuO_4 superconducting cuprates studied by resonant soft x-ray scattering

机译:通过共振软X射线散射研究214(La_(1.6_x)Nd_(0.4))Sr_xCuO_4和La_(2-x)Ba_xCuO_4超导铜酸盐中的有序条纹214中的磁场效应

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摘要

We present a study of the charge order of 214 stripe ordered superconducting cuprates (La_(1.6-x)Nd_(0.4))Sr_xCuO_4 and La_(2-x)Ba_xCuO_4 for doping levels 0.11≤p ≤0.14 by means of resonant x-ray scattering. Up to 6 T. we find no field dependence on either the integrated intensity or the correlation length of the charge modulations, providing evidence for strong stability of charge order under applied fields. The magnetic field data support a strong pinning scenario induced by the low-temperature tetragonal distortion and static disorder, and they highlight the role of the symmetry of the lattice on the stabilization of electronic periodicities.
机译:我们通过共振X射线研究了掺杂水平为0.11≤p≤0.14的214条有序超导铜酸盐(La_(1.6-x)Nd_(0.4))Sr_xCuO_4和La_(2-x)Ba_xCuO_4的电荷阶数散射。高达6T。我们发现电场不依赖于电荷调制的积分强度或相关长度,这提供了在应用电场下电荷顺序的强大稳定性的证据。磁场数据支持由低温四方形畸变和静态无序引起的强钉扎情况,并且它们强调了晶格对称性对电子周期稳定性的作用。

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  • 来源
    《Physical review》 |2018年第19期|195130.1-195130.7|共7页
  • 作者单位

    CIC nanoGUNE, 20018 Donostia-San Sebastian, Basque Country, Spain,IKEKBASQUE, Basque Foundation for Science, 48011 Bilbao, Basque Country, Spain,Donostia International Physics Center, DIPC, 20018 Donostia-San Sebastian, Basque Country, Spain;

    Helmholtz-Zentrum Berlin fur Materialien und Energie, Albert-Einstein-Strasse 15, 12489 Berlin, Germany;

    Max Planck Institute for Chemical Physics of Solids, Nbthnitzerstrasse 40, 01187 Dresden, Germany;

    Max Planck Institute for Chemical Physics of Solids, Nbthnitzerstrasse 40, 01187 Dresden, Germany;

    Department of Engineering and Applied Sciences, Sophia University 7-1 Kioi-cho, Chiyoda-ku, Tokyo 102-8554, Japan;

    Department of Applied Physics, Tohoku University 6-6-05 Aoba, Aramaki, Aoba-ku, Sendai 980-8579, Japan;

    Georg-August Universitaet, Goettingen, Institut fuer Physikalisches Chemmie, Tammannstraβe 6, D-37077 Goettingen, Germany;

    Helmholtz-Zentrum Berlin fur Materialien und Energie, Albert-Einstein-Strasse 15, 12489 Berlin, Germany;

    Max Planck Institute for Chemical Physics of Solids, Nbthnitzerstrasse 40, 01187 Dresden, Germany;

    Helmholtz-Zentrum Berlin fur Materialien und Energie, Albert-Einstein-Strasse 15, 12489 Berlin, Germany;

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