Toward Reliable Synthesis of Superconducting Infinite Layer Nickelate Thin Films by Topochemical Reduction
Abstract: Infinite layer (IL) nickelates provide a new route beyond copper oxides to address outstanding questions in the field of unconventional superconductivity. However, their synthesis poses considerable challenges, largely hindering experimental research on this new class of oxide superconductors. That synthesis is achieved in a two‐step process that yields the most thermodynamically stable perovskite phase first, then the IL phase by topotactic reduction, the quality of the starting phase playing a crucial role. Here, a reliable synthesis of superconducting IL nickelate films is reported after successive topochemical reductions of a parent perovskite phase with nearly optimal stoichiometry. Careful analysis of the transport properties of the incompletely reduced films reveals an improvement in the strange metal behavior of their normal state resistivity over subsequent topochemical reductions, offering insight into the reduction process.
- Standort
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Deutsche Nationalbibliothek Frankfurt am Main
- Umfang
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Online-Ressource
- Sprache
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Englisch
- Erschienen in
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Toward Reliable Synthesis of Superconducting Infinite Layer Nickelate Thin Films by Topochemical Reduction ; day:18 ; month:04 ; year:2024 ; extent:10
Advanced science ; (18.04.2024) (gesamt 10)
- Urheber
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Gutiérrez‐Llorente, Araceli
Raji, Aravind
Zhang, Dongxin
Divay, Laurent
Gloter, Alexandre
Gallego, Fernando
Galindo, Christophe
Bibes, Manuel
Iglesias, Lucía
- DOI
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10.1002/advs.202309092
- URN
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urn:nbn:de:101:1-2404191407145.232036975036
- Rechteinformation
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Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
- Letzte Aktualisierung
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14.08.2025, 11:00 MESZ
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Beteiligte
- Gutiérrez‐Llorente, Araceli
- Raji, Aravind
- Zhang, Dongxin
- Divay, Laurent
- Gloter, Alexandre
- Gallego, Fernando
- Galindo, Christophe
- Bibes, Manuel
- Iglesias, Lucía
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