气候变化领域集成服务门户(CCPortal): Enhancement of superconductivity in organic-inorganic hybrid topological materials

CCPortal

DOI	10.1016/j.scib.2019.11.021
	Enhancement of superconductivity in organic-inorganic hybrid topological materials
	Zhang H.; Rousuli A.; Shen S.; Zhang K.; Wang C.; Luo L.; Wang J.; Wu Y.; Xu Y.; Duan W.; Yao H.; Yu P.; Zhou S.
发表日期	2020
ISSN	20959273
起始页码	188
结束页码	193
卷号	65 期号:3
英文摘要	Inducing or enhancing superconductivity in topological materials is an important route toward topological superconductivity. Reducing the thickness of transition metal dichalcogenides (e.g. WTe2 and MoTe2) has provided an important pathway to engineer superconductivity in topological matters. However, such monolayer sample is difficult to obtain, unstable in air, and with extremely low Tc. Here we report an experimentally convenient approach to control the interlayer coupling to achieve tailored topological properties, enhanced superconductivity and good sample stability through organic-cation intercalation of the Weyl semimetals MoTe2 and WTe2. The as-formed organic-inorganic hybrid crystals are weak topological insulators with enhanced Tc of 7.0 K for intercalated MoTe2 (0.25 K for pristine crystal) and 2.3 K for intercalated WTe2 (2.8 times compared to monolayer WTe2). Such organic-cation intercalation method can be readily applied to many other layered crystals, providing a new pathway for manipulating their electronic, topological and superconducting properties. © 2019 Science China Press
关键词	Enhanced superconductivity Intercalation of organic cation Ionic liquids cations Organic-inorganic hybrid materials Topological materials Weyl semimetals MoTe2 and WTe2
英文关键词	Ionic liquids; Molybdenum compounds; Monolayers; organic-inorganic materials; Positive ions; Tellurium compounds; Topology; Transition metals; Organic cations; Organic-inorganic hybrid; Organic-inorganic hybrid crystals; Organic-inorganic hybrid materials; Superconducting properties; Topological materials; Transition metal dichalcogenides; Weyl semimetals MoTe2 and WTe2; Tungsten compounds
语种	英语
来源期刊	Science Bulletin
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/207294
作者单位	State Key Laboratory of Low Dimensional Quantum Physics and Department of Physics, Tsinghua University, Beijing, 100084, China; Department of Mechanical Engineering and Tsinghua-Foxconn Nanotechnology Research Center, Tsinghua University, Beijing, 100084, China; Frontier Science Center for Quantum Information, Beijing, 100084, China; Institute for Advanced Study, Tsinghua University, Beijing, 100084, China
推荐引用方式 GB/T 7714	Zhang H.,Rousuli A.,Shen S.,et al. Enhancement of superconductivity in organic-inorganic hybrid topological materials[J],2020,65(3).
APA	Zhang H..,Rousuli A..,Shen S..,Zhang K..,Wang C..,...&Zhou S..(2020).Enhancement of superconductivity in organic-inorganic hybrid topological materials.Science Bulletin,65(3).
MLA	Zhang H.,et al."Enhancement of superconductivity in organic-inorganic hybrid topological materials".Science Bulletin 65.3(2020).