Crystal growth of bulk high-Tc superconducting oxide materials

Y Shiohara, A Endo - Materials Science and Engineering: R: Reports, 1997 - Elsevier
The growth of single crystals and highly oriented polycrystals of bulk high critical
temperature (Tc) superconducting (HTSC) materials is reviewed. Steady progress continues …

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 …

Fabrication of textured (RE= Y, Gd) composites by infiltration and growth of preforms by liquid phases

ES Reddy, T Rajasekharan - Superconductor Science and …, 1998 - iopscience.iop.org
A process for the fabrication of high-quality and near-net-shaped superconducting
specimens of (Y-123) with uniformly distributed fine (Y-211) is discussed. The process …

Fabrication of large grain YBCO by seeded peritectic solidification

W Lo, DA Cardwell, CD Dewhurst, SL Dung - Journal of materials research, 1996 - Springer
The ability to process large grain, uniform high temperature superconducting ceramics that
exhibit high critical current densities at 77 K is essential if the enormous potential of these …

Entrapment of Y2BaCuO5 particles in melt-textured YBa2Cu3O7− δ crystals and its effect on J

A Endo, HS Chauhan, Y Shiohara - Physica C: Superconductivity, 1996 - Elsevier
In order to investigate the entrapment phenomenon of Y2BaCuO5 (Y211) particles and its
effect on the properties of the critical current density (Jc) in YBa2Cu3O7− δ (Y123) crystals …

Nonuniform distribution of second phase particles in melt-textured Y–Ba–Cu–O oxide with metal oxide (CeO2, SnO2, and ZrO2) addition

CJ Kim, KB Kim, GW Hong, HY Lee - Journal of materials research, 1995 - cambridge.org
Segregation of second-phase particles within Y1Ba2Cu3O7− y domain was investigated in
melt-textured Y-Ba-Cu-O with metal oxide (CeO2, SnO2, and ZrO2) addition. It is found that …

Microstructure of melt-textured Y-Ba-Cu-O oxides with addition and the formation mechanism of the Ba-Cu-O platelet structure

CJ Kim, KB Kim, HW Park, TH Sung… - Superconductor …, 1996 - iopscience.iop.org
Abstract Melt-textured (Y123) containing fine particles of (Y211) has been prepared from
Y123/Y211 powder that was attrition milled with 1 wt% addition, and the microstructure has …

Y2BaCuO5 morphology in melt-textured Y-Ba-Cu-O oxides with PtO2· H2O/CeO2 additions

CJ Kim, KB Kim, GW Hong - Physica C: Superconductivity, 1994 - Elsevier
Abstract Microstructures related to the 2-1-1 morphology, and the effect of PtO 2· H 2 O and
CeO 2 additions on 2-1-1 refinement were examined in melt-textures Y 1 Ba 2 Cu 3 O 7− y …

Formation of BaCeO3 and its influence on microstructure of sintered/melt-textured Y-Ba-Cu-O oxides with CeO2 addition

CJ Kim, KB Kim, DY Won, HC Moon… - Journal of materials …, 1994 - cambridge.org
The formation of BaCeO3 and its effects on microstructure were studied in sintered/melt-
textured Y-Ba-Cu-O oxides containing 5 wt.% CeO2 and various amounts of Y2Ba1Cu1O5 …

Effect of oxygen partial pressure on the lower solubility limit of Nd1+ xBa2− xCu3O7

H Wu, MJ Kramer, KW Dennis, RW McCallum - Physica C …, 1997 - Elsevier
The lower solubility limits of Nd1+ xBa2− xCu3O7 (Nd123ss) in 1 bar, 0.2 bar, 0.01 bar, and
0.001 bar oxygen partial pressure (PO2) were studed by differential thermal analysis (DTA) …