Synthesis of new lithium- And monoamine-intercalated superconductors Lix(CnH2n+3N)yFe1-zSe (n = 6, 8, 18) with the dramatically expanded interlayer spacing

Chika Sakamoto, Takashi Noji, Kazuki Sato, Takayuki Kawamata, Masatsune Kato

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Abstract

New superconductors, Lix(CnH2n+3N)yFe1-zSe (n = 6, 8, 18), have been synthesized via the co-intercalation of linear monoamines together with Li into FeSe. The distance between neighboring Fe layers expands up to 55.7 Å for n = 18, which is much larger than the previous record of 19Å in the FeSe-based intercalation superconductors. Tc remains saturated at ∼42 K.

Original languageEnglish
Article number115002
Journaljournal of the physical society of japan
Volume89
Issue number11
DOIs
Publication statusPublished - 2020 Nov 15

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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