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@ARTICLE{Regnery:47592,
author = {Regnery, S. and Ding, Y. and Jia, C. L. and Szot, K. and
Thomas, R. and Waser, R.},
title = {{M}etal organic chemical vapor deposition of
({B}a,{S}r){T}i{O}3: {N}ucleation and growth on {P}t-(111)},
journal = {Journal of applied physics},
volume = {98},
issn = {0021-8979},
address = {Melville, NY},
publisher = {American Institute of Physics},
reportid = {PreJuSER-47592},
pages = {084904-1 - 084904-12},
year = {2005},
note = {Record converted from VDB: 12.11.2012},
abstract = {Thin films of the (BaxSr1-x)TiO3 (BST) solid solution
series were grown by metal-organic chemical-vapor deposition
(MOCVD) on platinized silicon wafers with emphasis to
(Ba0.7Sr0.3)TiO3 and SrTiO3. The nucleation behavior and the
size of the stable nuclei were investigated by different
scanning probe microscope techniques including local
conductivity scanning. The characteristic differences were
observed for different deposition temperatures, i.e., a
homogeneous nucleation of small BST grains on the larger Pt
grains at 565 degrees C and a dominating grain-boundary
nucleation at 655 degrees C. X-ray photoelectron
spectroscopy indicates a stoichiometric composition from the
beginning. The microstructural evolution was investigated by
high-resolution transmission electron microscopy and
revealed randomly oriented grains (typical in-plane size
10-20 nm) with a high density of twins at 565 degrees C and
(100)-oriented defect-free grains of slightly increased size
at 655 degrees C. This remarkably stable (100) texture seems
specific for MOCVD as it is not observed for other
deposition methods. The grain structure and surface
morphology and their dependence on film stoichiometry
(group-II/Ti ratio) are investigated. The relation between
the structural and the electrical properties, capacitance,
and leakage current, is finally discussed. (c) 2005 American
Institute of Physics.},
keywords = {J (WoSType)},
cin = {IFF-IEM / CNI / IFF-IMF},
ddc = {530},
cid = {I:(DE-Juel1)VDB321 / I:(DE-Juel1)VDB381 /
I:(DE-Juel1)VDB37},
pnm = {Materialien, Prozesse und Bauelemente für die Mikro- und
Nanoelektronik},
pid = {G:(DE-Juel1)FUEK252},
shelfmark = {Physics, Applied},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000232937500094},
doi = {10.1063/1.2084312},
url = {https://juser.fz-juelich.de/record/47592},
}