An Atomic Force Microscopy Study of Single-Layer FeSe Superconductor
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概要
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The single-layer iron selenide (FeSe) superconductor is becoming an ideal system to study the mechanism of high-temperature superconductivity. In this work, we use atomic force microscopy (AFM) to demonstrate that: (1) unidirectional stripe in the single-layer FeSe film is purely an electronic feature instead of lattice reconstruction; (2) the charge transfer from the SrTiO<inf>3</inf>substrate to FeSe plays an important role in inducing superconductivity in single-layer FeSe. Both short-range and long-range forces are exploited in the study. The combination of AFM with scanning tunneling microscopy opens a new opportunity to investigate the mechanism of high-T_{\text{c}} materials.
- 2013-11-25
著者
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Li Na
State Key Lab Of Rolling Technologies And Automation Northeastern University
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Chen Xi
State Key Laboratory of Low-Dimensional Quantum Physics, Department of Physics, Tsinghua University, Beijing 100084, China
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Li Na
State Key Laboratory of Low-Dimensional Quantum Physics, Department of Physics, Tsinghua University, Beijing 100084, China
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Ding Hao
State Key Laboratory of Low-Dimensional Quantum Physics, Department of Physics, Tsinghua University, Beijing 100084, China
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Li Zhi
Institute of Physics, Chinese Academy of Sciences, Beijing 100080, China
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Ji Shuaihua
State Key Laboratory of Low-Dimensional Quantum Physics, Department of Physics, Tsinghua University, Beijing 100084, China
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Xue Qi-Kun
State Key Laboratory of Low-Dimensional Quantum Physics, Department of Physics, Tsinghua University, Beijing 100084, China
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- An Atomic Force Microscopy Study of Single-Layer FeSe Superconductor
- An Atomic Force Microscopy Study of Single-Layer FeSe Superconductor