Low-temperature synthesis of CuFeO2 (delafossite) at 70 °c: A new process solely by precipitation and ageing

Melanie John, Soraya Heuss-Aßbichler, So Hyun Park, Aladin Ullrich, Georg Benka, Nikolai Petersen, Daniel Rettenwander, Siegfried R. Horn

Publikation: Beitrag in einer FachzeitschriftArtikelForschungBegutachtung

Abstract

This study presents a new low temperature synthesis method to obtain pure delafossite (Cu1+Fe3+O2) at a temperature of 70 °C within 24 h. For the first time delafossite is synthesized solely by precipitation and subsequent ageing process and without usage of any additives controlling the oxidation state of copper. The synthesized material, called LT-delafossite, consists of pure Cu1+Fe3+O2 exclusive of any side products. Rietveld analysis confirms the presence of both 3R (space group (SG): R-3m) and 2H (SG: P63/mmc) polytypes in LT-delafossite. Electron microscopy images show nanometer-sized hexagonal plates with a diameter

Originalspracheenglisch
Seiten (von - bis)390-396
Seitenumfang7
FachzeitschriftJournal of solid state chemistry
Jahrgang233
DOIs
PublikationsstatusVeröffentlicht - 1 Jan 2016
Extern publiziertJa

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Aging of materials
Rietveld analysis
synthesis
Electron microscopy
Copper
electron microscopy
copper
Oxidation
Temperature
oxidation
products
temperature

Schlagwörter

    ASJC Scopus subject areas

    • !!Electronic, Optical and Magnetic Materials
    • !!Ceramics and Composites
    • !!Condensed Matter Physics
    • !!Physical and Theoretical Chemistry
    • Anorganische Chemie
    • !!Materials Chemistry

    Dies zitieren

    John, M., Heuss-Aßbichler, S., Park, S. H., Ullrich, A., Benka, G., Petersen, N., ... Horn, S. R. (2016). Low-temperature synthesis of CuFeO2 (delafossite) at 70 °c: A new process solely by precipitation and ageing. Journal of solid state chemistry, 233, 390-396. https://doi.org/10.1016/j.jssc.2015.11.011

    Low-temperature synthesis of CuFeO2 (delafossite) at 70 °c : A new process solely by precipitation and ageing. / John, Melanie; Heuss-Aßbichler, Soraya; Park, So Hyun; Ullrich, Aladin; Benka, Georg; Petersen, Nikolai; Rettenwander, Daniel; Horn, Siegfried R.

    in: Journal of solid state chemistry, Jahrgang 233, 01.01.2016, S. 390-396.

    Publikation: Beitrag in einer FachzeitschriftArtikelForschungBegutachtung

    John, Melanie ; Heuss-Aßbichler, Soraya ; Park, So Hyun ; Ullrich, Aladin ; Benka, Georg ; Petersen, Nikolai ; Rettenwander, Daniel ; Horn, Siegfried R. / Low-temperature synthesis of CuFeO2 (delafossite) at 70 °c : A new process solely by precipitation and ageing. in: Journal of solid state chemistry. 2016 ; Jahrgang 233. S. 390-396.
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    AU - Park, So Hyun

    AU - Ullrich, Aladin

    AU - Benka, Georg

    AU - Petersen, Nikolai

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