Enhanced superconducting transition temperature in hyper-interlayer-expanded FeSe despite the suppressed electronic nematic order and spin fluctuations

MM Hrovat, P Jeglič, M Klanjšek, T Hatakeda, T Noji… - Physical Review B, 2015 - APS
The superconducting critical temperature, T c, of FeSe can be dramatically enhanced by
intercalation of a molecular spacer layer. Here we report on a Se 77, Li 7, and H 1 nuclear …

Enhanced superconductivity and moderate spin fluctuations suppressed at low energies in heavily electron-doped La1111-based superconductor

T Kouchi, S Nishioka, K Suzuki, M Yashima, H Mukuda… - Physical Review B, 2022 - APS
To elucidate the origin of the reenhanced high-T c phase in the heavily electron-doped Fe
pnictides, systematic As 75 NMR studies are performed on heavily electron-doped LaFe P n …

Dual role of Fe dopants in enhancing stability and charge transfer in superconductors

W Chen, C Zeng, E Kaxiras, Z Zhang - Physical Review B, 2016 - APS
The recently discovered (Li 0.8 Fe 0.2) OHFeSe superconductor provides a new platform for
exploiting the microscopic mechanisms of high-T c superconductivity in FeSe-derived …

Coexistence of magnetism and superconductivity in separate layers of the iron-based superconductor

CV Topping, FKK Kirschner, SJ Blundell, PJ Baker… - Physical Review B, 2017 - APS
The magnetic properties attributed to the hydroxide layer of Li 1− x Fe x (OH) Fe 1− y Se
have been elucidated by the study of superconducting and nonsuperconducting members of …

Doping Mn into (Li1-xFex) OHFe1-ySe superconducting crystals via ion-exchange and ion-release/introduction syntheses

H Zhou, S Ni, J Yuan, J Li, Z Feng, X Jiang… - arXiv preprint arXiv …, 2017 - arxiv.org
We report the success in introducing Mn into (Li1-xFex) OHFe1-ySe superconducting
crystals by applying two different hydrothermal routes, ion exchange (1-Step) and ion …

Search for Fe magnetic ordering in the 40 K superconductor (Li0. 8 Fe0. 2) OHFeSe

F Nejadsattari, ZM Stadnik - Journal of Alloys and Compounds, 2015 - Elsevier
We report the results of x-ray diffraction and 57 Fe Mössbauer spectroscopy study,
complemented by ab-initio electronic structure and the hyperfine-interaction parameters …

Probing the anisotropy of by angular-dependent torque measurements

H Xiao, T Hu, HX Zhou, XJ Li, SL Ni, F Zhou, XL Dong - Physical Review B, 2020 - APS
A strongly correlated superconductor with reduced dimension attracts much interest since its
critical temperature (T c) is often enhanced. Superconducting anisotropy is the key …

Superconducting fluctuations above T c in (Li1− x Fe x) OHFeSe single crystal

Y Wu, Z Wen, Y Li, Y Chen, Y Zhao - … Science and Technology, 2021 - iopscience.iop.org
The magnetization and resistivity measurements have been done to investigate the
superconducting fluctuations effect above the superconducting transition temperature (T c) …

(Li1−xFex)OHFeSe Superconductors: Crystal Growth, Structure, and Electromagnetic Properties

GY Zhang, MMC Chou, CT Lin - Crystals, 2017 - mdpi.com
This review focuses on the growth of high-quality (Li1− x Fe x) OHFeSe single crystals by a
hydrothermal method using floating-zone-grown Ax Fe2− y Se2 (A= K, Rb, and Cs) as …

Long-range magnetic order in hydroxide-layer-doped

B Wilfong, X Zhou, H Zheng, N Babra, CM Brown… - Physical review …, 2020 - APS
The (Li 1− x Fe x OH) FeSe superconductor has been suspected of exhibiting long-range
magnetic ordering due to Fe substitution in the LiOH layer. However, no direct observation …