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Molecule-Confined Engineering toward Superconductivity and Ferromagnetism in Two-Dimensional Superlattice

Molecule-Confined Engineering toward Superconductivity and Ferromagnetism in Two-Dimensional Superlattice

Authors :
Yuqiao Guo
Yi Xie
Changzheng Wu
Jiajing Wu
Qiran Wu
Huan Shan
Kejun Mu
Zhe Sun
Xuefeng Cui
Yueqi Su
Aidi Zhao
Zejun Li
Yingcheng Zhao
Source :
Journal of the American Chemical Society. 139(45)
Publication Year :
2017

Abstract

Superconductivity is mutually exclusive with ferromagnetism, because the ferromagnetic exchange field is often destructive to superconducting pairing correlation. Well-designed chemical and physical methods have been devoted to realize their coexistence only by structural integrity of inherent superconducting and ferromagnetic ingredients. However, such coexistence in freestanding structure with nonsuperconducting and nonferromagnetic components still remains a great challenge up to now. Here, we demonstrate a molecule-confined engineering in two-dimensional organic–inorganic superlattice using a chemical building-block approach, successfully realizing first freestanding coexistence of superconductivity and ferromagnetism originated from electronic interactions of nonsuperconducting and nonferromagnetic building blocks. We unravel totally different electronic behavior of molecules depending on spatial confinement: flatly lying Co(Cp)2 molecules in strongly confined SnSe2 interlayers weaken the coordinatio...

Details

ISSN :
15205126
Volume :
139
Issue :
45
Database :
OpenAIRE
Journal :
Journal of the American Chemical Society
Accession number :
edsair.doi.dedup.....6014fef902223e0bc148abdc9b02ac98