Superconductivity in Uncollapsed Tetragonal LaFe2As2

We report synthesis, crystal structure, and superconductivity in ThCr2Si2-type LaFe2As2 (La122). La122 was synthesized at 960 °C for 1.5 h under a pressure of 3.4 GPa. An as-synthesized La122 (nonsuperconductor) had a collapsed tetragonal structure with a short c-axis length of 11.0144(4) Å as obser...

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Veröffentlicht in:	The journal of physical chemistry letters 2019-03, Vol.10 (5), p.1018-1023
Hauptverfasser:	Iyo, Akira, Ishida, Shigeyuki, Fujihisa, Hiroshi, Gotoh, Yoshito, Hase, Izumi, Yoshida, Yoshiyuki, Eisaki, Hiroshi, Kawashima, Kenji
Format:	Artikel
Sprache:	eng
Online-Zugang:	Volltext
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