# The $YBa_2Cu_3O_{7-\delta}$ System: Structure, Stoichiometry and Orbital Ordering and their Role in Superconductivity

Subbanna, GN and Ganguly, P and Rao, CNR (1987) The $YBa_2Cu_3O_{7-\delta}$ System: Structure, Stoichiometry and Orbital Ordering and their Role in Superconductivity. In: Modern Physics Letters B, 1 (4). pp. 155-165.

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## Abstract

In this communication, alternative structures of $YBa_2Cu_3O_{7-\delta}$ $(\delta=0.0-0.5)$ are discussed making use of the results from thermogravimetric analysis and electron microscopy. Possible orbital orderings in $YBa_2Cu_3O_7$ corresponding to the different structures are also discussed. Magnetic susceptibility data of the non-superconducting $\delta=0.5$ phase are briefly examined.

Item Type: Journal Article http://dx.doi.org/10.1142/S0217984987000... Copyright of this article belongs to World Scientific Publishing Company Division of Chemical Sciences > Solid State & Structural Chemistry Unit 10 Apr 2008 11 Sep 2008 11:51 http://eprints.iisc.ernet.in/id/eprint/13719