TITLE

Complex oxide nanostructures by pulsed laser deposition through nanostencils

AUTHOR(S)
Cojocaru, Cristian-Victor; Harnagea, Catalin; Rosei, Federico; Pignolet, Alain; van den Boogaart, Marc A. F.; Brugger, Jürgen
PUB. DATE
May 2005
SOURCE
Applied Physics Letters;5/2/2005, Vol. 86 Issue 18, p183107
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
We achieved parallel nanoscale patterning of ferroelectric complex oxides by pulsed laser deposition through a nanostencil (i.e., through a pattern of apertures in a thin free-standing membrane). Ordered arrays of nanostructured barium titanate (BaTiO3) were obtained onto different substrates in a single deposition step, at room temperature, replicating accurately the aperture patterns in the stencil membrane. After a postdeposition annealing treatment, x-ray diffraction pattern showed a nanocrystalline BaTiO3 structure close to the perovskite cubic phase with grains 30–35 nm in size. Their local ferroelectric properties were detected using piezoresponse force microscopy.
ACCESSION #
17164691

 

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