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 …

Topochemical modifications of mixed metal oxide compounds by low-temperature fluorination routes

O Clemens, PR Slater - Reviews in Inorganic Chemistry, 2013 - degruyter.com
In this review, we discuss recent developments in the use of low-temperature fluorination
routes for the topochemical modification of mixed metal oxide compounds. By applying such …

Effect of oxygen pressure on the synthesis of YBa2Cu3O7−x thin films by post‐deposition annealing

R Feenstra, TB Lindemer, JD Budai… - Journal of Applied …, 1991 - pubs.aip.org
The effect of ambient oxygen pressure on the synthesis of epitaxial YBa2Cu3O7− x films on
(100) SrTiO3 substrates by post‐deposition annealing of amorphous precursor films was …

Review on synthesis, characterization, and electrochemical properties of fluorinated nickel‐cobalt‐manganese cathode active materials for lithium‐ion batteries

U Breddemann, I Krossing - ChemElectroChem, 2020 - Wiley Online Library
In this Review, we report and compare non‐fluorinated with fluorinated cathode active
materials (CAMs) based on a nickel‐cobalt‐manganese (NCM) composition such as HE …

YBa2Cu3O7− δXσ (X= F and CI): highly active and durable catalysts for the selective oxidation of ethane to ethene

HX Dai, CF Ng, CT Au - Journal of Catalysis, 2000 - Elsevier
The catalytic performance and characterization of YBa2Cu3O7− δ and YBa2Cu3O7− δXσ
for the oxidative dehydrogenation of ethane (ODE) to ethene have been investigated. Under …

Hole-Doped La1. 85Sr0. 15CuO4–δXσ (X= F, Cl) and Electron-Doped Nd1. 85Ce0. 15CuO4–δXσ Halo-Oxide Catalysts for the Selective Oxidation of Ethane to …

HX Dai, CF Ng, CT Au - Journal of Catalysis, 2001 - Elsevier
The catalytic performance and characterization of Ln1. 85A0. 15CuO4–δ and Ln1. 85A0.
15CuO4–δXσ (Ln= La, Nd; A= Sr, Ce; X= F, Cl) for the oxidative dehydrogenation of ethane …

Defect phenomena in superconducting oxides and analogous ceramic oxides

AM Stoneham, LW Smith - Journal of Physics: Condensed Matter, 1991 - iopscience.iop.org
The authors discuss the defect phenomena in superconducting oxides. They survey those
aspects of oxide superconductors which relate them most closely to conventional ceramic …

Chemical diffusion of oxygen in single-crystal and polycrystalline determined by electrical-resistance measurements

JR LaGraff, DA Payne - Physical Review B, 1993 - APS
Isothermal electrical-resistance measurements were used to monitor oxygen diffusion
kinetics in both single-crystal and polycrystalline YBa 2 Cu 3 O 6+ x between 350 and 780 …

Inducing superconductivity and structural transformations by fluorination of reduced YBCO

RV Shpanchenko, MG Rozova, AM Abakumov… - Physica C …, 1997 - Elsevier
Bulk superconductivity with Tc up to 94 K has been induced by fluorination of non-
superconducting YBa2Cu3O6. 11 using XeF2 as a fluorination agent. Strong changes on X …

Halide-doped perovskite-type AMn1− xCuxO3− δ (A= La0. 8Ba0. 2) catalysts for ethane-selective oxidation to ethene

HX Dai, CT Au, Y Chan, KC Hui, YL Leung - Applied Catalysis A: General, 2001 - Elsevier
The undoped and halide-doped perovskite-type oxide AMn1− xCuxO3− δ (A= La0. 8Ba0. 2)
catalysts have been investigated for the oxidative dehydrogenation of ethane (ODE) to …