Thermal-expansion-derived lattice instability in La2CuO4

Lang, M.; Höhr, A.; Spille, H.; Steglich, F.; Rietschel, H.; Roth, G.; Hidaka, Y.; Murakami, T.

doi:10.1007/BF01307233

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Thermal-expansion-derived lattice instability in La₂CuO₄

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Lang, M., Höhr, A., Spille, H., Steglich, F., Rietschel, H., Roth, G., et al. (1989). Thermal-expansion-derived lattice instability in La₂CuO₄. Zeitschrift für Physik B, 74(1), 3-4. doi:10.1007/BF01307233.

Cite as: https://hdl.handle.net/11858/00-001M-0000-0019-D4DC-C

Abstract

We present results for the thermal expansion, α(T), of both polycrystalline and single crystalline La2CuO4. Our results demonstrate the existence of an anomaly in α(T) aroundT=35 K which is clearly intrinsic and most likely due to a lattice instability.