Structural Changes Accompanying the Low-Temperature Annealing of YBa2Cu3O7-δ (0.3 ≤ δ ≤ 0.4): Transformation of the 123 Phase to a 124-Type Structure

R. Nagarajan; Cnr Rao

doi:10.1006/jssc.1993.1133

Back

Structural Changes Accompanying the Low-Temperature Annealing of YBa2Cu3O7-δ (0.3 ≤ δ ≤ 0.4): Transformation of the 123 Phase to a 124-Type Structure

Journal of Solid State Chemistry 103(2): 533-538

Article 1993 English

Abstract

1 min read

Superconducting YBa2Cu3O7-δ (0.3 ≤ δ ≤ 0.4) compositions seem to transform to a metastable YBa2Cu4O8 (124)-like phase with a c parameter of 27.2 Å on annealing at 473 K for a few hours.

Related publications

Article1990

123, 247, and 124 cuprate superconductors: Investigations of thermodynamic stabilities, defect structures, and intergrowths

Cnr Rao, G. N. Subbanna, R. Nagarajan, Ashok K. Ganguli, L. Ganapathi, R. Vijayaraghavan, S. V. Bhat, A. R. Raju

Journal of Solid State Chemistry

Article1990

Cuprate superconductors: phase stability of 123 compounds, novel features of $Bi_2Ca_{1-x}Ln_xSr_2Cu_2O_{8+\\delta}$ (Ln=rare earth) and new thallium cuprates

Cnr Rao

Article1987

HIGH-TEMPERATURE OXIDE SUPERCONDUCTORS: STRUCTURE, STOICHIOMETRY AND THE MECHANISM OF SUPERCONDUCTIVITY

Cnr Rao

International Journal of Modern Physics B

Article1994

Synthesis of Cuprates of Perovskite Structure in the Ba-Pb-Cu-O, Ba-Bi-Cu-O, and Ba-Pb-Tl-Cu-O Systems: Possible High Tc Superconductivity in a Perovskite-like Phase in the Ba-Pb-Tl-Cu-O System

V. Manivannan, J. Gopalakrishnan, Cnr Rao

Journal of Solid State Chemistry

Article2003

Protein 14-3-3σ Interacts with and Favors Cytoplasmic Subcellular Localization of the Glucocorticoid Receptor, Acting as a Negative Regulator of the Glucocorticoid Signaling Pathway

Tomoshige Kino, Emanuel Souvatzoglou, Massimo U. De Martino, Maria Tsopanomihalu, Yihong Wan, George Chrousos

Structural Changes Accompanying the Low-Temperature Annealing of YBa2Cu3O7-δ (0.3 ≤ δ ≤ 0.4): Transformation of the 123 Phase to a 124-Type Structure

Abstract

Discussion(0)

Related publications

123, 247, and 124 cuprate superconductors: Investigations of thermodynamic stabilities, defect structures, and intergrowths

Cuprate superconductors: phase stability of 123 compounds, novel features of $Bi_2Ca_{1-x}Ln_xSr_2Cu_2O_{8+\\delta}$ (Ln=rare earth) and new thallium cuprates

HIGH-TEMPERATURE OXIDE SUPERCONDUCTORS: STRUCTURE, STOICHIOMETRY AND THE MECHANISM OF SUPERCONDUCTIVITY

Synthesis of Cuprates of Perovskite Structure in the Ba-Pb-Cu-O, Ba-Bi-Cu-O, and Ba-Pb-Tl-Cu-O Systems: Possible High Tc Superconductivity in a Perovskite-like Phase in the Ba-Pb-Tl-Cu-O System

Protein 14-3-3σ Interacts with and Favors Cytoplasmic Subcellular Localization of the Glucocorticoid Receptor, Acting as a Negative Regulator of the Glucocorticoid Signaling Pathway