6–10 Jul 2026
University of the Western Cape
Africa/Johannesburg timezone
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Synthesis of SrVO3 thin films using pulsed laser deposition.

7 Jul 2026, 15:00
20m
Lecture Hall GH1 (University of the Western Cape)

Lecture Hall GH1

University of the Western Cape

Oral Presentation Track A - Physics of Condensed Matter and Materials Physics of Condensed Matter and Materials

Speaker

Edward Lee (University of the Free State)

Description

Thin films have been used and are used in many technological applications, as they are more practical than bulk powders. The unique properties of thin films enable them to be fabricated and integrated into more complex devices while preserving the bulk material's original properties. The preservation of bulk material properties has enabled transparent conductive oxide (TCO) thin films to garner significant interest for their high conductivity while maintaining transparency in the visible region. Strontium vanadate (SrVO3) has been shown to be a promising TCO candidate. Early reports showed that SrVO3 thin films prepared by pulsed laser deposition (PLD) exhibited a conductivity comparable to that of indium tin oxide (ITO), while maintaining a visible transparency of more than 80%.

In this study, SrVO3 thin films were prepared by PLD. Various environmental parameters were varied during deposition to examine their effects on the thin-film properties, including conductivity, transparency, and morphology. The results showed that a conductive SrVO3 thin film could be achieved. However, balancing transparency and electrical conductivity was challenging, as these two properties are mutually exclusive. To try to overcome this limitation, a SrVO3 thin film with a square grid pattern was prepared. This result showed an improvement in overall visible transparency while maintaining conductivity.

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Author

Edward Lee (University of the Free State)

Co-authors

Hendrik Swart (University of the Free State) J.J Terblans (University of the Free State) Richard Harris (University of the Free State)

Presentation materials

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