Monolayer FeSe on SrTiO3

D Huang, JE Hoffman - Annual Review of Condensed Matter …, 2017‏ - annualreviews.org
Epitaxial engineering of solid state heterointerfaces is a leading avenue to realizing
enhanced or novel electronic states of matter. As a recent example, bulk FeSe is an …

Role of the orbital degree of freedom in iron-based superconductors

M Yi, Y Zhang, ZX Shen, D Lu - npj Quantum Materials, 2017‏ - nature.com
Almost a decade has passed since the serendipitous discovery of the iron-based high
temperature superconductors (FeSCs) in 2008. The fact that, as in the copper oxide high …

Nematic energy scale and the missing electron pocket in FeSe

M Yi, H Pfau, Y Zhang, Y He, H Wu, T Chen, ZR Ye… - Physical Review X, 2019‏ - APS
Superconductivity emerges in proximity to a nematic phase in most iron-based
superconductors. It is therefore important to understand the impact of nematicity on the …

What makes the T c of monolayer FeSe on SrTiO3 so high: a sign-problem-free quantum Monte Carlo study

ZX Li, F Wang, H Yao, DH Lee - Science bulletin, 2016‏ - Springer
Monolayer FeSe films grown on SrTiO 3 (STO) substrate show superconducting gap-
opening temperatures (T_ c T c) which are almost an order of magnitude higher than those …

Routes to High-Temperature Superconductivity: A Lesson from FeSe/SrTiO3

DH Lee - Annual Review of Condensed Matter Physics, 2018‏ - annualreviews.org
Raising the superconducting transition temperature to a point where applications are
practical is one of the most important challenges in science. In this review, we aim at gaining …

High-temperature superconductivity in one-unit-cell FeSe films

Z Wang, C Liu, Y Liu, J Wang - Journal of Physics: Condensed …, 2017‏ - iopscience.iop.org
Since the dramatic enhancement of the superconducting transition temperature (T c) was
reported in a one-unit-cell FeSe film grown on a SrTiO 3 substrate (1-UC FeSe/STO) by …

Evolution of the low-temperature Fermi surface of superconducting FeSe1−xSx across a nematic phase transition

AI Coldea, SF Blake, S Kasahara… - npj Quantum …, 2019‏ - nature.com
The existence of a nematic phase transition in iron-chalcogenide superconductors poses an
intriguing question about its impact on superconductivity. To understand the nature of this …

Effect of nematic ordering on electronic structure of FeSe

A Fedorov, A Yaresko, TK Kim, Y Kushnirenko… - Scientific reports, 2016‏ - nature.com
Electronically driven nematic order is often considered as an essential ingredient of high-
temperature superconductivity. Its elusive nature in iron-based superconductors resulted in …

Ubiquitous strong electron–phonon coupling at the interface of FeSe/SrTiO3

C Zhang, Z Liu, Z Chen, Y **e, R He, S Tang… - Nature …, 2017‏ - nature.com
The observation of replica bands in single-unit-cell FeSe on SrTiO3 (STO)(001) by angle-
resolved photoemission spectroscopy (ARPES) has led to the conjecture that the coupling …

Prominent role of spin-orbit coupling in FeSe revealed by inelastic neutron scattering

M Ma, P Bourges, Y Sidis, Y Xu, S Li, B Hu, J Li… - Physical Review X, 2017‏ - APS
In most existing theories for iron-based superconductors, spin-orbit coupling (SOC) has
been assumed to be insignificant. Here, we use spin-polarized inelastic neutron scattering to …