Hyper-expanded interlayer separations in superconducting barium intercalates of FeSe.
Kirill V. Yusenko,Kirill V. Yusenko,Jonas Sottmann,Hermann Emerich,Wilson A. Crichton,Lorenzo Malavasi,Serena Margadonna +6 more
TLDR
The values of Tc are primarily dependent on Ba content, and are further modulated by the interlayer spacing through facile intercalation and deintercalation of ammonia.About:
This article is published in Chemical Communications.The article was published on 2015-04-09 and is currently open access. It has received 26 citations till now. The article focuses on the topics: Intercalation (chemistry) & Barium.read more
Citations
More filters
Journal ArticleDOI
Superconductivity and Intercalation State in the Lithium-Hexamethylenediamine-Intercalated Superconductor Lix(C6H16N2)yFe2−zSe2: Dependence on the Intercalation Temperature and Lithium Content
TL;DR: In this paper, the superconductivity and intercalation state in the lithium- and hexamethylenediamine (HMDA)-intercalated superconductor Lix(C6H16N2)yFe2−zSe2 have been investigated from powder x-ray diffraction, thermogravimetric, and magnetic susceptibility measurements, changing the inter-calation temperature Ti and the Li content x.
Journal ArticleDOI
Structural evolution and phase diagram of the superconducting iron selenides L i x ( C 2 H 8 N 2 ) y F e 2 S e 2 ( x = 0 ∼ 0.8 )
Linlin Zhao,D. J. Wang,Qingzhen Huang,Hui Wu,Ruijin Sun,Xiao Fan,Yanpeng Song,Shifeng Jin,Xiaolong Chen +8 more
TL;DR: In this paper, the structural and electronic phase diagram of lithium and ethylenediamine intercalated FeSe in a wide range of dopant concentration was reported, and the dominant hole carrier in electron-doped FeSe tetrahedron was determined by using high-resolution neutron diffraction data at 5, 60, 150, and 295 K.
Journal ArticleDOI
Chemical Pressure Boost Record-High Superconductivity in van der Waals Materials FeSe1−xSx
Journal ArticleDOI
Intercalated Iron Chalcogenides: Phase Separation Phenomena and Superconducting Properties.
TL;DR: In this article, the main aspects of intercalation chemistry are discussed, involving the influence of the chemical and electrochemical nature of inter-calating species on the crystal structure and critical issues related to the superconducting properties of the hybrid inorganic-organic phases.
References
More filters
Journal ArticleDOI
Superconductivity at 55 K in Iron-Based F-Doped Layered Quaternary Compound Sm[O1-xFx] FeAs
Ren Zhi-An,Lu Wei,Yang Jie,Yi Wei,Shen Xiao-Li,Zheng-Cai,Che Guang-Can,Dong Xiao-Li,Sun Li-Ling,Zhou Fang,Zhao Zhong-Xian +10 more
TL;DR: In this article, the superconductivity of iron-based oxyarsenide Sm[O1-xFx]FeAs was reported, with the onset resistivity transition temperature at 55.0K and Meissner transition at 54.6 K. This compound has the same crystal structure as LaOFeAs with shrunk crystal lattices.
Journal ArticleDOI
Superconductivity at 43 K in SmFeAsO1-xFx.
TL;DR: Chen et al. as discussed by the authors reported the discovery of bulk superconductivity in the related compound SmFeAsO1-xF x, which has a ZrCuSiAs-type structure.
Journal ArticleDOI
Superconductivity at 43 K in an iron-based layered compound LaO 1-x F x FeAs
TL;DR: It is reported that increasing the pressure causes a steep increase in the onset Tc of F-doped LaOFeAs, to a maximum of ∼43 K at ∼4 GPa, which is the highest Tc reported to date.
Journal ArticleDOI
Enhancement of the superconducting transition temperature of FeSe by intercalation of a molecular spacer layer
Maththew Burrard-Lucas,David G. Free,Stefan J. Sedlmaier,Jack D. Wright,Simon J. Cassidy,Yoshiaki Hara,Alex J. Corkett,Tom Lancaster,Peter J. Baker,Stephen J. Blundell,Simon J. Clarke +10 more
TL;DR: In this paper, the composition of the spacer layers present in iron-based superconductors is altered to increase the temperature below which they superconduct, and intercalating FeSe with molecular spacer layer is also shown to enhance the superconducting transition temperature.
Journal ArticleDOI
Re-emerging superconductivity at 48 kelvin in iron chalcogenides
Liling Sun,Xiao-Jia Chen,Xiao-Jia Chen,Jing Guo,Peiwen Gao,Qing-Zhen Huang,Hangdong Wang,Minghu Fang,Xiaolong Chen,Genfu Chen,Qi Wu,Chao Zhang,Dachun Gu,Xiaoli Dong,Lin Wang,Ke Yang,Aiguo Li,Xi Dai,Ho-kwang Mao,Zhongxian Zhao +19 more
TL;DR: It is reported that in the superconducting iron chalcogenides, a secondsuperconducting phase suddenly re-emerges above 11.5 GPa, after the Tc drops from the first maximum of 32 K at 1 GPa.