Thermoelectric signature of the nematic phase in hole-doped iron-based superconductors

Matusiak Marcin; Babij Michal

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Thermoelectric signature of the nematic phase in hole-doped iron-based superconductors

机译：孔掺杂铁基超导体中的向方相的热电特征

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Studies of copper-based superconductors demonstrate how their phase diagram becomes more complex as experimental probes improve, able to distinguish among subtly different electronic phases. One of those phases, nematicity, has become a matter of great interest also in iron-based superconductors, where it is detected deep in the tetragonal state. Here, we present the evolution of in-plane Nernst effect anisotropy in strain-detwinned Ca(Fe1-xCox)(2)As-2 single crystals. We interpret the observed behavior using an approach developed to describe the nematic order parameter in liquid crystals. We also apply the same model to data from other superconductors, Ba(Fe1-xCox)(2)As-2 and YBa2Cu3Oy. We conclude the observed broken rotational symmetry of the electronic system is a consequence of the emerging thermodynamic electronic nematic order at a temperature much higher than the onset of the magnetic and structural transitions.

机译：铜基超导体的研究证明了它们的相图随着实验探针改善而变得更复杂的，能够区分巧妙的不同电子阶段。其中一个阶段，即淫秽，已经成为一种兴趣的重要性，也是铁基超导体，在四方状态下被检测到深处。在这里，我们介绍了菌株 - 碎屑Ca（Fe1-Xcox）（2）AS-2单晶中的平面内部麻醉效应各向异性的演变。我们使用开发的方法解释观察到的行为，所述方法来描述液晶中的向列序参数。我们还将相同的模型与其他超导体，BA（FE1-XCOX）（2）AS-2和YBA2Cu3oy的数据应用于数据。我们结束了所观察到的旋转对称性的电子系统是新兴热力学电子向量的结果，其温度远高于磁性和结构转变的开始。

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《Physical review》 |2019年第17期|174507.1-174507.6|共6页
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Matusiak Marcin; Babij Michal;
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Polish Acad Sci Inst Low Temp & Struct Res Ul Okolna 2 PL-50422 Wroclaw Poland;

Polish Acad Sci Inst Low Temp & Struct Res Ul Okolna 2 PL-50422 Wroclaw Poland;

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1. Thermoelectric signature of the nematic phase in hole-doped iron-based superconductors [J] . Matusiak Marcin, Babij Michal Physical review . 2019,第17期

机译：空穴掺杂铁基超导体中向列相的热电特征
2. Thermoelectric signature of the nematic phase in hole-doped iron-based superconductors [J] . Matusiak Marcin, Babij Michal Physical review, B . 2019,第17期

机译：孔掺杂铁基超导体中的向方相的热电特征
3. Evolution from B_(2g) Nematics to B_(1g) Nematics in Heavily Hole-Doped Iron-Based Superconductors [J] . Borisov Vladislav, Fernandes Rafael M., Valenti Roser Physical review letters . 2019,第14期

机译：重掺杂铁基超导体中从B_（2g）向列向B_（1g）向列的演变
4. Study of magnetic, nematic and superconducting properties of iron-based high-temperature superconductors: Variational cluster approximation [C] . Y. V. Zumagulov, V. D. Neverov, A. E. Lukyanov, International Young Researchers Conference . 2018

机译：铁基高温超导体磁，向型和超导特性研究：变分簇近似
5. Nuclear Magnetic Resonance Studies of Magnetic Fluctuations and Nematic Order in Iron-based Superconductors [D] . Wiecki, Paul Waymouth. 2018

机译：铁基超导体中磁波动和向列顺序的核磁共振研究
6. Novel electronic nematicity in heavily hole-doped iron pnictide superconductors [O] . Kousuke Ishida, Masaya Tsujii, Suguru Hosoi, 2020

机译：重孔掺杂铁预防超导体的新型电子向量
7. The form and the origin of the orbital ordering in the electronic nematic phase of the Iron-based superconductors [O] . Su, Yuehua, Liao, Haijun, Li, Tao 2014

机译：电子轨道排序的形式和起源铁基超导体的向列相

Thermoelectric signature of the nematic phase in hole-doped iron-based superconductors

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