Ln2Ti2S2O5 (Ln = Nd, Pr, Sm): a novel series of defective Ruddlesden–Popper phases
- 1 January 1999
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Chemical Communications
- No. 11,p. 979-980
- https://doi.org/10.1039/a809737b
Abstract
The reaction of Nd2S2O, TiS2 and S at 1000 °C and subsequent chemical transport with I2 yields the new crystalline layered oxysulfide Nd2Ti2S2O5 that possesses a defective Sr3Ti2O7 structure whose cuboctahedral sites within the double-perovskite layers are empty; Nd2Ti2S2O5 is paramagnetic and semiconducting; the synthesis of the isostructural compounds Pr2Ti2S2O5 and Sm2Ti2S2O5 is also reported.Keywords
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