Hidden phases revealed at the surface of double-layered Sr3(Ru1-xMnx)2O7

被引：7

作者：

Chen, Chen ^{[1
]}

Kim, Jisun ^{[1
]}

Nascimento, V. B. ^{[2
]}

Diao, Zhenyu ^{[1
]}

Teng, Jing ^{[1
]}

Hu, Biao ^{[1
]}

Li, Guorong ^{[1
]}

Liu, Fangyang ^{[1
]}

Zhang, Jiandi ^{[1
]}

Jin, Rongying ^{[1
]}

Plummer, E. W. ^{[1
]}

机构：

[1] Louisiana State Univ, Dept Phys & Astron, Baton Rouge, LA 70803 USA

[2] ICEx UFMG, Dept Fis, CP 702, BR-30123970 Belo Horizonte, MG, Brazil

来源：

PHYSICAL REVIEW B | 2016年 / 94卷 / 08期

基金：

美国国家科学基金会;

关键词：

ELECTRONIC-STRUCTURE; LATTICE DISTORTION; SR2RUO4; FERROMAGNETISM; TEMPERATURE; SR3RU2O7; STATES; SUPERCONDUCTIVITY; TRANSITION; RAMAN;

D O I：

10.1103/PhysRevB.94.085420

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Double-layered Sr3Ru2O7 has received phenomenal consideration because it exhibits a plethora of exotic phases when perturbed. New phases emerge with the application of pressure, magnetic field, or doping. Here, we show that creating a surface is an alternative and effective way to reveal hidden phases that are different from those seen in the bulk by investigating the surface properties of Sr-3(Ru1-xMnx)(2)O-7. Driven by the tilt distortion of RuO6 octahedra, the surface of Sr3Ru2O7 is less metallic than the bulk. In contrast, because of the vanishing of tilt and enhanced rotation with Mn doping, the surface of Sr-3(Ru0.84Mn0.16)(2)O-7 is metallic, while the bulk is insulating. Our result demonstrates that the electronic and structural properties at the surface are intimately coupled and consistent with quasitwo-dimensional character.

引用

页数：7

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