TITLE

Epitaxial growth of the first five members of the Sr[sub n+1]Ti[sub n]O[sub 3n+1] Ruddlesden-Popper homologous series

AUTHOR(S)
Haeni, J. H.; Theis, C. D.; Schlom, D. G.; Tian, W.; Pan, X. Q.; Chang, H.; Takeuchi, I.; Xiang, X.-D.
PUB. DATE
May 2001
SOURCE
Applied Physics Letters;5/21/2001, Vol. 78 Issue 21, p3292
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
The first five members of the Sr[sub n+1]Ti[sub n]O[sub 3n+1] Ruddlesden-Popper homologous series, i.e., Sr[sub 2]TiO[sub 4], Sr[sub 3]Ti[sub 2]O[sub 7], Sr[sub 4]Ti[sub 3]O[sub 10], Sr[sub 5]Ti[sub 4]O[sub 13], and Sr[sub 6]Ti[sub 5]O[sub 16], have been grown by reactive molecular beam epitaxy. A combination of atomic absorption spectroscopy and reflection high-energy electron diffraction intensity oscillations were used for the strict composition control necessary for the synthesis of these phases. X-ray diffraction and high-resolution transmission electron microscope images confirm that these films are epitaxially oriented and nearly free of intergrowths. Dielectric measurements indicate that the dielectric constant tensor coefficient ε[sub 33] increases from a minimum of 44±4 in the n=1(Sr[sub 2]TiO[sub 4]) film to a maximum of 263±2 in the n=∞(SrTiO[sub 3]) film. © 2001 American Institute of Physics.
ACCESSION #
4715219

 

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