Crystal chemical substitutions and doping of YBa2Cu3Ox and related superconductors

JMS Skakle - Materials Science and Engineering: R: Reports, 1998 - Elsevier
The 90 K superconductor, YBa2Cu3Oδ (YBCO), has proved to be highly adaptable
chemically as it can accommodate a wide variety of cationic and anionic substitutions …

Bulk superconductivity at 120 K in the Tl–Ca/Ba–Cu–O system

ZZ Sheng, AM Hermann - Nature, 1988 - nature.com
The discovery of 30-K superconductivity in the La–Ba–Cu–O system1 and 90-K
superconductivity in the Y–Ba–Cu–O system2 stimulated a worldwide search for even …

Superconductivity in the rare-earth-free Tl–Ba–Cu–O system above liquid-nitrogen temperature

ZZ Sheng, AM Hermann - Nature, 1988 - nature.com
The initial discovery by Bednorz and Muller1 of 35-K superconduc-tivity in the La–Ba–Cu–O
system has stimulated worldwide activity in searching for higher-temperature …

Superconducting oxide films with high transition temperature prepared from metal trifluoroacetate precursors

A Gupta, R Jagannathan, EI Cooper, EA Giess… - Applied Physics …, 1988 - pubs.aip.org
Superconducting thin films of Y‐Ba‐Cu oxide have been prepared on yttria‐stabilized
zirconia substrates using metal trifluoroacetate spin‐on precursors. The films exhibit an …

Perovskites and high-Tc superconductors

FS Galasso - 1990 - inis.iaea.org
[en] This book is a compendium of research on perovskite-type compounds beginning with
discovery in 1945 up to and including recent developments and modern applications. It …

Ab initio MO calculations of effective exchange integrals between transition-metal ions via oxygen dianions: nature of the copper-oxygen bonds and superconductivity

K Yamaguchi, Y Takahara, T Fueno… - Japanese journal of …, 1987 - iopscience.iop.org
The superexchange interaction between transition-metal ions via oxygen dianion was
investigated by the ab initio molecular orbital (MO) method. It is found that the magnitude of …

The Crystal Chemistry of High‐Temperature Oxide Superconductors and Materials with Related Structures

H Müller‐Buschbaum - Angewandte Chemie International …, 1989 - Wiley Online Library
Never before in human history has a chemical substance been the object of collaborative
research by so many scientists of different disciplines as in the case of the first high …

The Structure of Y1Ba2Cu3O7-δ and its Derivatives

R Beyers, TM Shaw - Solid state physics, 1989 - Elsevier
Publisher Summary This chapter discusses the structural studies performed on
superconducting oxides. It focuses primarily on Y 1 Ba 2 Cu 3 O 7–δ, nicknamed the 123 …

Evidence for two pairing energies from nuclear spin-lattice relaxation in superconducting

WW Warren Jr, RE Walstedt, GF Brennert… - Physical review …, 1987 - APS
We report Cu 63 nuclear spin-lattice relaxation data for Ba 2 YC 3 O 7− δ in the
superconducting state obtained by nuclear quadrupole resonance in zero applied magnetic …

Electronic structure and excitonic-enhanced superconducting mechanism in

WY Ching, Y Xu, GL Zhao, KW Wong… - Physical review letters, 1987 - APS
Electronic structure and excitonic-enhanced superconducting mechanism in YBa_{2}Cu_{3}O_{7-d}
Page 1 VOLUME 59, NUMBER 12 PHYSICAL REVIEW LETTERS 21 SEPTEMBER 1987 …