期刊
SCIENTIFIC REPORTS
卷 3, 期 -, 页码 -出版社
NATURE PUBLISHING GROUP
DOI: 10.1038/srep02882
关键词
-
资金
- NSF [DMR-1002622, DMR-1005562]
- Oak Ridge National Laboratory by the Scientific User Facilities Division, Office of Basic Energy Sciences, U.S. Department of Energy
- Direct For Mathematical & Physical Scien
- Division Of Materials Research [1005562] Funding Source: National Science Foundation
Chemical doping in materials is known to give rise to emergent phenomena. These phenomena are extremely difficult to predict a priori, because electron-electron interactions are entangled with local environment of assembled atoms. Scanning tunneling microscopy and low energy electron diffraction are combined to investigate how the local electronic structure is correlated with lattice distortion on the surface of Sr-3(Ru1-xMnx)(2)O-7, which has double-layer building blocks formed by (Ru/Mn)O-6 octahedra with rotational distortion. The presence of doping-dependent tilt distortion of (Ru/Mn)O-6 octahedra at the surface results in a C-2v broken symmetry in contrast with the bulk C-4v counterpart. It also enables us to observe two Mn sites associated with the octahedral rotation in the bulk through the chirality of local electronic density of states surrounding Mn, which is randomly distributed. These results serve as fingerprint of chemical doping on the atomic scale.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据