In situ neutron powder diffraction measurements show that the orthorhombic-to-tetragonal
phase transition in Y Ba 2 Cu 3 O 7− x, which occurs near 700 C in a pure oxygen …

The thermodynamic and kinetic aspects of the oxygen exchange in the solid oxide-oxygen
phase system are discussed for the YBaCuO compounds. For both YBa2Cu3O7− x (Y123) …

The structural and superconducting properties of orthorhombic and tetragonal Y Ba 2 Cu 3 O
7− x have been determined for a wide range of stoichiometries (0.3< x< 0.7). In the …

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 …

With a Curie point at 370 K, the half-metal (La0. 7Sr0. 3) MnO3 (LSMO) is one of the most
interesting candidates for electronic devices based on tunnel magnetoresistance. SrTiO3 …

Perovskite oxides can host various anion-vacancy orders, which greatly change their
properties, but the order pattern is still difficult to manipulate. Separately, lattice strain …

Using ultrasonic methods, the quasi-isotropic elastic stiffnesses of void-containing
Y1Ba2Cu3O7− x were determined By a composite-material model, these were corrected to …

Electron diffraction photographs of the title samples show extra diffuse scattering in the
reciprocal a* b* plane, which can be attributed to the partial ordering of the oxygen …

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From XPS core level spectroscopy the average copper charge on the Cu sites in the high
temperature superconductor Y 1 Ba 2 Cu 3 O 7− x is determined as function of the oxygen …