Articles written in Pramana – Journal of Physics
Volume 12 Issue 4 April 1979 pp 317-329 Solids
X-ray and ultraviolet photoelectron spectroscopy as well as x-ray absorption spectroscopy have been employed to investigate transition metal oxide perovskites of the general formula ABO3 (A = La or rare-earth ion, B=trivalent transition metal ion). Systematics in the core levels and in the valence bands in the series of LaBO3 compounds have been discussed. Lanthanum chemical shifts in the x-ray absorption spectra in this series show interesting trends. Photoelectron spectra of the solid solutions, LaNi1−
Volume 28 Issue 2 February 1987 pp 1- Rapid Communication
Oxides of the Y-Ba-Cu-O system are found to show onset of superconductivity in the 100–120 K region.
Volume 28 Issue 3 March 1987 pp 1- Rapid Communications
The oxide responsible for high-temperature superconductivity (onset ∼100 K, zero resistance above liquid N2 temperature) is found to be YBa2Cu3O7±δ.
Volume 28 Issue 5 May 1987 pp 605-605 Erratum
Volume 29 Issue 3 September 1987 pp 1- Rapid Communications
Superconductivity is found in tetragonal La3−
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