Colloquium: The unexpected properties of alkali metal iron <?format ?>selenide superconductors

E Dagotto - Reviews of modern physics, 2013 - APS
The iron-based superconductors that contain FeAs layers as the fundamental building block
in the crystal structures have been rationalized in the past using ideas based on the Fermi …

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

S He, J He, W Zhang, L Zhao, D Liu, X Liu, D Mou… - Nature materials, 2013 - nature.com
The recent discovery of possible high-temperature superconductivity in single-layer FeSe
films, has generated significant experimental and theoretical interest,. In both the cuprate …

Interface-induced superconductivity and strain-dependent spin density waves in FeSe/SrTiO3 thin films

S Tan, Y Zhang, M Xia, Z Ye, F Chen, X Xie, R Peng… - Nature materials, 2013 - nature.com
The record superconducting transition temperature (T c) for the iron-based high-temperature
superconductors (Fe-HTS) has long been 56 K. Recently, in single-layer FeSe films grown …

Lack of coupling between superconductivity and orthorhombic distortion in stoichiometric single-crystalline FeSe

AE Böhmer, F Hardy, F Eilers, D Ernst, P Adelmann… - Physical Review B …, 2013 - APS
The coupling between superconductivity and orthorhombic distortion is studied in vapor-
grown FeSe single crystals using high-resolution thermal-expansion measurements. In …

[HTML][HTML] High current superconductivity in FeSe0.5Te0.5-coated conductors at 30 tesla

W Si, SJ Han, X Shi, SN Ehrlich, J Jaroszynski… - Nature …, 2013 - nature.com
Although high-temperature superconductor cuprates have been discovered for more than 25
years, superconductors for high-field application are still based on low-temperature …

Quantum phase transition from triangular to stripe charge order in NbSe2

A Soumyanarayanan, MM Yee, Y He… - Proceedings of the …, 2013 - National Acad Sciences
The competition between proximate electronic phases produces a complex phenomenology
in strongly correlated systems. In particular, fluctuations associated with periodic charge or …

Atomic and electronic structures of single-layer FeSe on SrTiO(001): The role of oxygen deficiency

J Bang, Z Li, YY Sun, A Samanta, YY Zhang… - Physical Review B …, 2013 - APS
Using first-principles calculation, we propose an interface structure for single triple-layer
FeSe on the SrTiO 3 (001) surface, a high-T c superconductor found recently. The key …

Enhancement of the superconducting transition temperature in FeSe epitaxial thin films by anisotropic compression

F Nabeshima, Y Imai, M Hanawa, I Tsukada… - Applied Physics …, 2013 - pubs.aip.org
In order to investigate the effects of in-plane strain on the superconductivity of FeSe,
epitaxial thin films of FeSe were fabricated on CaF 2 substrates. The films are compressed …

[HTML][HTML] Antiferromagnetic FeSe monolayer on SrTiO3: The charge doping and electric field effects

F Zheng, Z Wang, W Kang, P Zhang - Scientific reports, 2013 - nature.com
By growing monolayer FeSe on SrTiO3 (001) surface, researchers obtain the highest
superconducting transition-temperature for iron-based superconductor. Here, we study the …

Pairing insights in iron-based superconductors from scanning tunneling microscopy

CL Song, JE Hoffman - Current Opinion in Solid State and Materials …, 2013 - Elsevier
Scanning tunneling microscopy (STM) has made tremendous progress in the study and
understanding of both classical and unconventional superconductors. This has motivated a …