Defect formation, distribution and size reduction of in melt-processed YBCO superconductors

CJ Kim, GW Hong - Superconductor Science and Technology, 1999 - iopscience.iop.org
High critical current density in high temperature superconducting melt-processed Y-Ba-Cu-O
(YBCO), which consists of a superconducting (Y123) phase matrix containing discrete …

Elucidation of the Mechanism in Fluorine-Free Prepared YBa2Cu3O7−δ Coatings

P Vermeir, I Cardinael, J Schaubroeck… - Inorganic …, 2010 - ACS Publications
In this work, the reaction mechanism used in the preparation of fluorine-free
superconducting YBa2Cu3O7− δ (YBCO) was investigated. To determine which precursor …

An efficient methodology for utilization of K-feldspar and phosphogypsum with reduced energy consumption and CO2 emissions

Z Gan, Z Cui, H Yue, S Tang, C Liu, C Li, B Liang… - Chinese journal of …, 2016 - Elsevier
The issues of reducing CO 2 emissions, sustainably utilizing natural mineral resources, and
dealing with industrial waste offer challenges for sustainable development in energy and the …

Construction of the Quasi‐ternary Phase Diagram in the NdO1. 5‐BaO‐CuOx System in an Air Atmosphere: Part I, Equilibrium Tie Lines in the Nd1+ xBa2− xCu3O6+ …

M Kambara, T Umeda, M Tagami, X Yao… - Journal of the …, 1998 - Wiley Online Library
Quasi‐ternary phase diagrams of the NdO1. 5‐BaO‐CuOx system near the CuOx corner
have been constructed near the peritectic temperature in air of the Nd1+ xBa2− xCu3O6+ …

Synthesis of HTSC Re (Y) Ba2Cu3Ox powders: the role of ionic radius

C Andreouli, A Tsetsekou - Physica C: Superconductivity, 1997 - Elsevier
A comparison study of the calcination conditions for the synthesis of pure ReBa2Cu3Ox
phases (Re: Y, Nd, Eu, Gd, Dy, Ho, Er) by solid state reaction from Re2O3, BaCO3 and CuO …

Effective pore control and critical current density in liquid infiltration growth processed Y-123 superconductors with Ag addition

A Mahmood, BH Jun, YH Han… - … Science and Technology, 2010 - iopscience.iop.org
The effect of a sintered density (open porosity) of Y 2 BaCuO 5 (Y211) pre-forms on the final
porosity and Y211 size within Y Ba 2 Cu 3 O 7− y (Y-123) products was systematically …

[HTML][HTML] Liquidus diagram of the Ba-Y-Cu-O system in the vicinity of the Ba2YCu3O6+ x phase field

W Wong-Ng, LP Cook - Journal of research of the National Institute …, 1998 - ncbi.nlm.nih.gov
This paper describes the melting equilibria in the vicinity of the high T c phase Ba 2 YCu 3 O
6+ x, including evidence for two Ba-Y-Cu-O immiscible liquids. Melting equilibria have been …

Role of PtO2 on the refinement of Y2BaCuO5 second phase particles in melt-textured Y Ba Cu O oxides

CJ Kim, KB Kim, IH Kuk, GW Hong - Physica C: Superconductivity, 1997 - Elsevier
In order to understand the mechanism of the Y2BaCuO5 (Y211) refinement, the effect of
PtO2 addition on the microstructure of each reaction state, ie, the solid state, the Y211 plus …

Grain boundaries in high temperature superconducting ceramics

J Ayache - Philosophical Magazine, 2006 - Taylor & Francis
The aim of this paper is to review the different types of grain boundaries found in
YBa2Cu3O7− d superconducting ceramics, which have been investigated over the past …

BaO–Nd2O3–CuOx subsolidus equilibria under carbonate-free conditions at pO2= 100 Pa and at pO2= 21 kPa

W Wong-Ng, LP Cook, J Suh, R Coutts… - Journal of Solid State …, 2003 - Elsevier
Subsolidus phase equilibria of the BaO–Nd2O3–CuOx system at pO2= 100Pa (0.1% O2
volume fraction, 810° C) and at pO2= 21kPa (21% O2 volume fraction, 930° C) have been …