ZIB

Hits per page

hits 1 - 2 | 2 hits

Sorting

Electronic Resource

Structural and morphologic evolution of Pt/Ba0.7Sr0.3TiO3/Pt capacitors with annealing processes (2002)

Qin, Y. L. ; Jia, C. L. ; Urban, K.

Woodbury, NY : American Institute of Physics (AIP)

Applied Physics Letters 80 (2002), S. 2728-2730

add to mindlist on the mindlist

Details

ISSN: 1077-3118

Source: AIP Digital Archive

Topics: Physics

Notes: The microstructure and chemistry of the as-grown, the postannealed and the forming-gas-atmosphere-treated Pt/Ba0.7Sr0.3TiO3/Pt capacitors are studied by means of high-resolution transmission electron microscopy and energy-disperse x-ray spectroscopy. It is found that the annealed Ba0.7Sr0.3TiO3 films have larger grain size and more smooth top film-electrode interfaces. High-resolution images reveal the presence of disordered or amorphous regions at the interfaces in the Ba0.7Sr0.3TiO3 film heated in the forming-gas atmosphere. These regions show a higher Ti/(Ba+Sr) ratio than the grain matrix. The effects of these amorphous regions on the electrical properties of Ba0.7Sr0.3TiO3 films are discussed. © 2002 American Institute of Physics.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1063/1.1469683

Permalink

Library	Location	Call Number	Volume/Issue/Year	Availability

Others were also interested in ...

Paper (German National Licenses)

Fulltext

Electronic Resource

Anisotropic Properties of Bi2Sr2−xLaxCu1O6+δ Thin-Films Grown on Vicinal SrTiO3 Substrates (2000)

Zhang, Y. Z. ; Qin, Y. L. ; Deltour, R. ; [et al.]

Springer

Journal of superconductivity 13 (2000), S. 153-162

add to mindlist on the mindlist

Details

ISSN: 1572-9605

Keywords: superconducting thin films ; AFM ; TEM ; activation energy ; upper critical magnetic field

Source: Springer Online Journal Archives 1860-2000

Topics: Electrical Engineering, Measurement and Control Technology , Physics

Notes: Abstract Epitaxial Bi2Sr2−xLa x Cu1O6+δ thin films were grown on vicinal substrates by magnetron sputtering. The growth mode and the superconductivity of the thin films were studied. The films were deposited on 5–7° misoriented (100) SrTiO3 (STO). The surface of misoriented substrate is tilted to the 〈111〉 azimuth. The topographies of the Bi-2201 films show strip-like shapes. The transmission electron microscopy (TEM) study revealed that the films grew with very good in-plane alignments which were comparable to those of single crystals. Both of the temperature dependence of the a- and c-axis resistivities were studied under magnetic fields. The corresponding anisotropic activation energies and upper critical magnetic fields were investigated.