Characterization of high-temperature superconductors by AC susceptibility measurements

F Gömöry - Superconductor Science and Technology, 1997 - iopscience.iop.org
A magnetic field harmonically varying in time (to probe the sample) and a lock-in technique
(to register the sample response sensed by a pick-up coil) are widely used for characterizing …

Synthesis, characterization, and Vickers microhardness for (YIG) x/(Bi, Pb)-2223 superconducting phase

MH El Makdah, N El Ghouch, MH El-Dakdouki… - Ceramics …, 2023 - Elsevier
The current study investigated the effect of adding yttrium iron garnet (Y 3 Fe 5 O 12; YIG)
nanoparticles to the (Bi 1.8 Pb 0.4) Sr 2 Ca 2.1 Cu 3.2 O y ((Bi, Pb)-2223) superconductor …

Al3+-modified elastic properties of copper ferrite

VK Lakhani, KB Modi - Solid state sciences, 2010 - Elsevier
Ultrasonic pulse echo-overlap technique at 300K (9MHz) has been employed to study the
elastic properties of Al3+-substituted CuFe2O4 spinel ferrite system. The longitudinal and …

Superconductivity investigation of (Bi, Pb)-2223 added with different nanoferrites and their composites

A Najem, K Habanjar, R Awad, M Anas… - Physica Scripta, 2024 - iopscience.iop.org
In this study, the impact of different types of nanoferrites additions of Zn 0.5 Ni 0.5 Fe 2 O 4
and Ba 0.4 Sr 0.4 Ca 0.2 Fe 12 O 19 nanoparticles and their nanocomposite of (Zn 0.5 Ni 0.5 …

Investigation of Physical Properties of (Nano-SmIG)/(Bi, Pb)-2212 Phase

M Anas, MH El Makdah, MH El Dakdouki… - Journal of Low …, 2023 - Springer
In this study, the impact of adding samarium iron garnet (Sm3Fe5O12; SmIG) nanoparticles
to the (Bi1. 6Pb0. 4) Sr1. 9Ca0. 9Y0. 2Cu2. 1O8+ δ ((Bi, Pb)-2212) superconductor was …

Dynamics of deformation and water flow in heterogeneous porous media and its impact on soil properties

SJ Wang, KC Hsu - Hydrological Processes: An International …, 2009 - Wiley Online Library
The interaction of geomechanics and flow within a soil body induces deformation and pore
pressure change. Deformation may change hydrogeological and elastic properties, which …

Improvement in elastic properties of spinel ferrite by rapid thermal cooling

KB Modi, SJ Shah, TK Pathak, NH Vasoya… - AIP Conference …, 2014 - pubs.aip.org
The elastic properties of spinel ferrite composition, CuAl 0.4 Fe 1.6 O 4, quenched from final
sintering temperature of 1373 K to liquid nitrogen temperature (∼ 80K) have been studied …

Influence of Ca2+ Substitution on Elastic Properties of CaCu3Ti4O12 Quadruple Perovskites Determined by Ultrasonic Pulse Echo Selection Technique

DJ Parekh, DV Barad, DK Thummar, NS Kanani… - Russian Journal of …, 2024 - Springer
The structural, microstructural, optical, and elastic properties of polycrystalline perovskite
series, Ca1+ x Cu3–x Ti4O12; x= 0–1.0, have been investigated employing X-ray powder …

A semi-analytical equation for the Young's modulus of isotropic ceramic materials

DT Hristopulos, M Demertzi - Journal of the European Ceramic Society, 2008 - Elsevier
This paper proposes a new relation between the Young's modulus of ceramics and the
volume fraction of porosity. The relation is obtained by upscaling (coarse-graining) the …

BaCuO melt processing: from bulks towards thick films

GJ Schmitz, ES Reddy, EA Goodilin - Physica C: Superconductivity, 2002 - Elsevier
In contrast to huge efforts in the area of thin films and bulk materials there exists little work for
preparation and application of superconducting thick films. Inspite of the limited efforts, the …