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Intercalation Route to New Hybrid Organic-Inorganic Superconductors

 

作者: Jin-Ho Choy,   Soon-Jae Kwon,   Seong-Ju Hwang,  

 

期刊: Molecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals  (Taylor Available online 1998)
卷期: Volume 311, issue 1  

页码: 383-388

 

ISSN:1058-725X

 

年代: 1998

 

DOI:10.1080/10587259808042414

 

出版商: Taylor & Francis Group

 

关键词: intercalation;tetraiodomercurate;interblock complexation;interlayer distance

 

数据来源: Taylor

 

摘要:

Recently, we have successfully synthesized new type of high-Tcsuperconductors of (HgX2)0.5Bi2Sr2Cam-1CumOy(X˭Br, I, and m = 1, 2) by means of intercalation technique. From the X-ray diffraction(XRD) and X-ray absorption spectroscopy(XAS) analyses, we found that the intercalated mercuric halides are stabilized as the isolated gaseous molecules in the interlayer space of superconducting lattice, leading to an increase of basal spacing. A small amount of charge transfer between guest molecule and host lattice could be observed upon intercalation with a slight depression ofTc. For the extension of metal halide intercalation into high-Tc, superconductor, we have developed new type of hybridized superconducting nanohybrid with periodic stacking of organic and superconducting layer by stepwise synthetic approach, where organic compounds are stabilized in the form of organic-inorganic complex salt in-between Bi-O double layers of Bi-based high-Tccuprates. The synthetic strategy proposed here can be applicable to many other layered systems

 

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