We present an analytical thermal model to explain the crosstalk in YBCO edge-transition bolometer arrays. The verification of the model was tested on sample array devices made of 200 and 400 nm YBCO films on LaAlO3 and SrTiO3 substrates. The model presented was able to explain the effects of the various physical parameters of the devices, such as the film thickness, operating temperature, and t...

In-plane resistance and magnetization measurements were performed on La0:7Ca0:3MnO3=YBa2Cu3O7 d=La0:7Ca0:3MnO3 (LCMO/ YBCO/LCMO) trilayers below the superconducting transition temperature of the YBCO layer. Two magnetoresistance (MR) peaks were found: The first MR peak is consistent with the suppression of superconductivity due to the stray fields generated by the domain walls and the second on...

In-plane aligned, c-axis oriented YBazCu307 (YBCO) films with superconducting critical current densities, Jc, as high as 700,000 amperes per square centimeter at 77 kelvin have been grown on thermo-mechanically, rolled-textured (00 1) Ni tapes using pulsed-laser deposition. Epitaxial growth of oxide buffer layers directly on biaxially textured Ni, formed by recrystallization of cold-rolled pure...

We report on the growth mechanism of YBa2Cu3O7−x. Our study is based on the analysis of ultrathin, YBa2Cu3O7−x layers in c-axis oriented YBa2Cu3O7−x / PrBa2Cu3O7 superlattices. We have found that the release of epitaxial strain in very thin YBCO layers triggers a change in the dimensionality of the growth mode. Ultrathin, epitaxially strained, YBCO layers with thickness below 3 unit cells grow ...

The effect of the patterning process on the nonlinearity of the microwave surface resistance RS of YBCO thin films is investigated. With the use of a sapphire dielectric resonator and a stripline resonator, the microwave RS of YBCO thin films was measured before and after the patterning process, as a function of temperature and the rf peak magnetic field in the film. The microwave loss was also...

We use electromigration (EM) to tune the oxygen content of YBa$_2$Cu$_3$O$_{7-\delta}$ (YBCO) nanowi\-res. During EM, dopant atoms in nanowire are moved under combined effect electrostatic force and Joule heating. The EM current can be tuned either deplete or replenish nanowires with oxygen, allowing fine tuning its hole doping level. Electrical transport measurements Kelvin probe microscopy co...

We use electromigration (EM) to tune the oxygen content of YBa$_2$Cu$_3$O$_{7-\delta}$ (YBCO) nanowi\-res. During EM, dopant atoms in nanowire are moved under combined effect electrostatic force and Joule heating. The EM current can be tuned either deplete or replenish nanowires with oxygen, allowing fine tuning its hole doping level. Electrical transport measurements Kelvin probe microscopy co...

This article presents results from a simple experimental methodology used to determine the amount of heat transferred an yttrium barium copper oxide (YBCO) bulk liquid nitrogen (LN2) and LN2 consumption during process zero-field cooling (ZFC). The thermal power can be determined YBCO temperature variation, which is difficult measure with accuracy. In this procedure, measured rate evaporation, c...

A model for superstructure ordering in the « chain » layers of Ga (Co) substituted YBCO intergrowths with gencral formula (REO~)NSr~MCU~O~ (M = Co, Ga