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Electronic origin of high-temperature superconductivity in single-layer FeSe superconductor

The exact mechanism for superconductivity in iron-based superconductors remains elusive, but is thought to involve complex interactions between many orbitals. Using angle-resolved photoelectron spectroscopy, Liuet al. report the electronic structure of the single-layer parent compound FeSe.

Defa Liu
Wenhao Zhang
X.J. Zhou
Research03 Jul 2012
Nature Communications

Volume: 3, P: 1-6
Electrically tuned magnetic order and magnetoresistance in a topological insulator

The magnetic field dependence of the electrical resistance of topological insulators is not well understood. Zhang et al.now incorporate a magnetic topological insulator into a field effect transistor and identify unconventional magnetoresistance behaviour that could be useful in sensing and data storage.

Zuocheng Zhang
Xiao Feng
Yayu Wang
Research15 Sept 2014
Nature Communications

Volume: 5, P: 1-7
Phase diagram and electronic indication of high-temperature superconductivity at 65 K in single-layer FeSe films

The unconventional superconductivity associated with iron pnictide materials has been the subject of intense interest. Using an annealing procedure to control the charge-carrier concentration, the behaviour of an FeSe monolayer deposited on SrTiO₃ is now investigated, and indications of superconductivity at temperatures up to 65 K observed.

Shaolong He
Junfeng He
X. J. Zhou
Research26 May 2013
Nature Materials

Volume: 12, P: 605-610
Single molecule detection from a large-scale SERS-active Au₇₉Ag₂₁ substrate

Hongwen Liu
Ling Zhang
Mingwei Chen
ResearchOpen Access10 Oct 2011
Scientific Reports

Volume: 1, P: 1-5
Dichotomy of the electronic structure and superconductivity between single-layer and double-layer FeSe/SrTiO₃ films

The critical temperature of single-layer FeSe films is much higher than the bulk of other iron-based superconductors, but the mechanism for this is unclear. Adding to the puzzle, Liu et al.show that it is much more difficult to induce superconductivity in a double-layer FeSe film than a single layer.

Xu Liu
Defa Liu
X. J. Zhou
Research23 Sept 2014
Nature Communications

Volume: 5, P: 1-10
Quantum and Classical Magnetoresistance in Ambipolar Topological Insulator Transistors with Gate-tunable Bulk and Surface Conduction

Jifa Tian
Cuizu Chang
Yong P. Chen
ResearchOpen Access07 May 2014
Scientific Reports

Volume: 4, P: 1-10

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Electronic origin of high-temperature superconductivity in single-layer FeSe superconductor

Electrically tuned magnetic order and magnetoresistance in a topological insulator

Phase diagram and electronic indication of high-temperature superconductivity at 65 K in single-layer FeSe films

Single molecule detection from a large-scale SERS-active Au79Ag21 substrate

Dichotomy of the electronic structure and superconductivity between single-layer and double-layer FeSe/SrTiO3 films

Quantum and Classical Magnetoresistance in Ambipolar Topological Insulator Transistors with Gate-tunable Bulk and Surface Conduction

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Single molecule detection from a large-scale SERS-active Au₇₉Ag₂₁ substrate

Dichotomy of the electronic structure and superconductivity between single-layer and double-layer FeSe/SrTiO₃ films