Persistent antiferromagnetic order in heavily overdoped Ca 1-x La x FeAs 2

Persistent antiferromagnetic order in heavily overdoped Ca 1-x La x FeAs 2

In the Ca La FeAs (1 1 2) family of pnictide superconductors, we have investigated a highly overdoped composition (x  =  0.56), prepared by a high-pressure, high-temperature synthesis. Magnetic measurements show an antiferromagnetic transition at T   =  120 K, well above the one at lower doping (0.1...

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Veröffentlicht in:Journal of physics. Condensed matter 2019-12, Vol.31 (48), p.485705
Hauptverfasser: Martino, Edoardo, Bachmann, Maja D, Rossi, Lidia, Modic, Kimberly A, Zivkovic, Ivica, Rønnow, Henrik M, Moll, Philip J W, Akrap, Ana, Forró, László, Katrych, Sergiy
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Sprache:eng
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Zusammenfassung:In the Ca La FeAs (1 1 2) family of pnictide superconductors, we have investigated a highly overdoped composition (x  =  0.56), prepared by a high-pressure, high-temperature synthesis. Magnetic measurements show an antiferromagnetic transition at T   =  120 K, well above the one at lower doping (0.15  
ISSN:0953-8984
1361-648X
DOI:10.1088/1361-648X/ab3b43