June 21, 2021

Optical Plasmon Excitations in Transparent Conducting SrNbO3 and SrVO3 Thin Films

Mathieu Mirjolet, Mikko Kataja, Tommi K. Hakala, Philipp Komissinskiy, Lambert Alff, Gervasi Herranz, Josep Fontcuberta,

Adv. Opt. Materials First published: 14 June 2021;      DOI:doi.org/10.1002/adom.202100520

From catalysis and flat panel displays to photovoltaics, transparent and conducting transition metal oxides are gaining momentum toward more sustainable and cost-efficient applications.

Here it is shown that, without using phase-matching arrangements, bulk plasmons can be excited in continuous epitaxial films of metallic SrVO3 and SrNbO3, with plasma absorption edges at visible range, and tuned mainly by electron correlations and phonon dressing.

Films can be made reflective or transparent at whish.

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