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97663 |
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|a Huang, Dennis
|e author
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|a Massachusetts Institute of Technology. Department of Physics
|e contributor
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|a Massachusetts Institute of Technology. Plasma Science and Fusion Center
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|a Francis Bitter Magnet Laboratory
|q (Massachusetts Institute of Technology)
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|a Chang, Cui-zu
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|a Moodera, Jagadeesh
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|a Song, Can-Li
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|a Webb, Tatiana A.
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|a Fang, Shiang
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|a Kaxiras, Efthimios
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|a Hoffman, Jennifer E.
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|a Chang, Cui-zu
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|a Moodera, Jagadeesh
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|a Revealing the Empty-State Electronic Structure of Single-Unit-Cell FeSe/SrTiO[subscript 3]
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|b American Physical Society,
|c 2015-07-06T12:23:09Z.
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|z Get fulltext
|u http://hdl.handle.net/1721.1/97663
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|a We use scanning tunneling spectroscopy to investigate the filled and empty electronic states of superconducting single-unit-cell FeSe deposited on SrTiO[subscript 3](001). We map the momentum-space band structure by combining quasiparticle interference imaging with decay length spectroscopy. In addition to quantifying the filled-state bands, we discover a Γ-centered electron pocket 75 meV above the Fermi energy. Our density functional theory calculations show the orbital nature of empty states at Γ and explain how the Se height is a key tuning parameter of their energies, with broad implications for electronic properties.
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|a National Science Foundation (U.S.) (STC Center for Integrated Quantum Materials Grant DMR-1231319)
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|a National Science Foundation (U.S.) (STC Center for Integrated Quantum Materials Grant DMR-0847433)
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|a Gordon and Betty Moore Foundation (EPiQS Initiative Grant GBMF4536)
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|a Article
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|t Physical Review Letters
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