Synthesis of New Lithium- and Monoamine-Intercalated Superconductors Lix(CnH2n+3N)yFe1−zSe (n=6,8,18) with the Dramatically Expanded Interlayer Spacing

Synthesis of New Lithium- and Monoamine-Intercalated Superconductors Lix(CnH2n+3N)yFe1−zSe (n=6,8,18) with the Dramatically Expanded Interlayer Spacing

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 19 Å in the FeSe-based i...

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Veröffentlicht in:Journal of the Physical Society of Japan 2020-11, Vol.89 (11), p.1
Hauptverfasser: Sakamoto, Chika, Noji, Takashi, Sato, Kazuki, Kawamata, Takayuki, Kato, Masatsune
Format: Artikel
Sprache:eng
Schlagworte:
Intercalation
Interlayers
Lithium
Superconductors
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Zusammenfassung: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 19 Å in the FeSe-based intercalation superconductors. Tc remains saturated at ∼42 K.
ISSN:0031-9015
1347-4073
DOI:10.7566/JPSJ.89.115002