Publications

Displaying 26 - 31 of 31

Microstructure and Chemistry of Non-Stoichiometric (Ba,Sr)TiO 3 Thin Films Deposited by Metalorganic Chemical Vapor Deposition

July 1, 2000

Author(s)

Igor Levin, Richard D. Leapman, Debra L. Kaiser

The microstructure and chemistry of (Ba,Sr)TiO 3 thin films deposited on Pt/SiO 2/Si substrates by metalorganic chemical vapor deposition were studied using high-resolution transmission electron microscopy and quantitative spectrum imaging in electron

Correlation of the optical gap of (Ba,Sr)yTiO 2+y thin films with film composition

June 1, 2000

Author(s)

L D. Rotter, Mark D. Vaudin, John E. Bonevich, Debra L. Kaiser, S 0. Park

A series of (Ba 1-x,Sr x)yTiO 2+y films with a wide range of y and x < 0.07 was grown by metalorganic chemical vapor deposition. The composition of the films was determined by wavelength dispersive x-ray spectrometry. Transmission spectra were measured and

Accommodation of Excess Ti in a (Ba,Sr)TiO 3 Thin Film with 53.4% Ti Grown on Pt/SiO 2 /Si by Metalorganic Chemical-Vapor Deposition

August 1, 1999

Author(s)

Igor Levin, Richard D. Leapman, Debra L. Kaiser, P C. van Buskirk, R Bilodeau, R Carl

The microstructure and chemistry of a Ti-rich (Ba,Sr)TiO 3 film with 53.4 % Ti deposited on Pt/SiO 2/Si substrate by MOCVD was studied using high-resolution transmission electron microscopy and elemental mapping in electron energy loss spectroscopy. We

Effect of Film Composition on the Orientation of (Ba,Sr)TiO 3 Grains in (Ba,Sr) y TiO 2+y Thin Films

January 12, 1999

Author(s)

Debra L. Kaiser, Mark D. Vaudin, L D. Rotter, John E. Bonevich, J T. Armstrong

(Ba,Sr) yTiO 2+y thin films with 0.34 {1-xSr xTiO 3 (x {aproximately equal to} 0.06) and an amorphous phase. The orientation of the tetragonal Ba 1-xSr xTiO 3 grains (pure a axis, pure c axis, or a mix of the two) was found to be strongly dependent upon

Large Enhancement of the Critical Curent Density Due to Vortex Matching at Periodic Facet Structure in YBa[d2]Cu[d3]O[d7-[delta]] Bicrystals

January 12, 1998

Author(s)

X Y. Cai, A Gurevich, I F. Tsu, Debra Kaiser, S E. Babcock, D C. Larbalestier

We observe pronounced peaks in the critical current density (J[db](B) vs. applied magnetic field B in YBa[d2]Cu[d3]O[d7-delta] bicrystals well above the lower critical field. These peaks correspond to the fields for which the spacing between intragrain

Thermomechanical Detwinning of Superconducting YBa2Cu3O7-x Single Crystals

July 11, 1989

Author(s)

Debra L. Kaiser, Frank W. Gayle, Robert S. Roth, L Swartzendruber

A method for the complete removal of twins from single crystals of superconducting YBa2Cu3O7-x is described. The process depends on ferroelastic behavior found to exist in the phase, and should be generally applicable to the layered perovskite-type phases

Search Publications by: Debra L. Kaiser (Assoc)