Publication

In-situ sputter deposition of PbTiO3 thin films: nucleation on textured platinum films

Paul Muralt, Thomas Maeder, Nicolas Xanthopoulos, Hans Jörg Mathieu
1996
Conference Papers

Abstract

The texture of sputter deposited PbTiO3 films could be turned from (100)- to (111)-orientation by adding a few nm thick TiO2 layer onto the textured Pt(111) substrate film. AES, XPS, and XPD measurements showed that such TiO2 films were epitaxially ordered and covered the whole surface of Pt. Various deposition experiments indicated that the TiO2 is effective only when it is ordered before the PbTiO3 nucleation starts. Otherwise, the (100) self texture dominates.

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https://infoscience.epfl.ch/entities/publication/8e05bd31-05a7-4919-a242-e3323246c648

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Paul Muralt, Thomas Maeder, Nicolas Xanthopoulos, Hans Jörg Mathieu
1996
Conference Papers

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/8e05bd31-05a7-4919-a242-e3323246c648

About this result

Related concepts (18)

Thin film

A thin film is a layer of material ranging from fractions of a nanometer (monolayer) to several micrometers in thickness. The controlled synthesis of materials as thin films (a process referred to as deposition) is a fundamental step in many applications. A familiar example is the household mirror, which typically has a thin metal coating on the back of a sheet of glass to form a reflective interface. The process of silvering was once commonly used to produce mirrors, while more recently the metal layer is deposited using techniques such as sputtering.

Thin-film solar cell

Thin-film solar cells are made by depositing one or more thin layers (thin films or TFs) of photovoltaic material onto a substrate, such as glass, plastic or metal. Thin-film solar cells are typically a few nanometers (nm) to a few microns (μm) thick–much thinner than the wafers used in conventional crystalline silicon (c-Si) based solar cells, which can be up to 200 μm thick. Thin-film solar cells are commercially used in several technologies, including cadmium telluride (CdTe), copper indium gallium diselenide (CIGS), and amorphous thin-film silicon (a-Si, TF-Si).

Evaporation (deposition)

Evaporation is a common method of thin-film deposition. The source material is evaporated in a vacuum. The vacuum allows vapor particles to travel directly to the target object (substrate), where they condense back to a solid state. Evaporation is used in microfabrication, and to make macro-scale products such as metallized plastic film. Evaporation involves two basic processes: a hot source material evaporates and condenses on the substrate. It resembles the familiar process by which liquid water appears on the lid of a boiling pot.

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In-situ sputter deposition of PbTiO3 thin films: nucleation on textured platinum films

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