The effect of composition on the occurrence of a second phase transition in the 
vicinity of Tc in CeCu2Si2

Modler, R.; Lang, M.; Geibel, C.; Schank, C.; Müller-Reisener, R.; Hellmann, P.; Link, A.; Sparn, G.; Assmus, W.; Steglich, F.

doi:10.1016/0921-4526(94)00527-3

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The effect of composition on the occurrence of a second phase transition in the vicinity of T_c in CeCu₂Si₂

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Modler, R., Lang, M., Geibel, C., Schank, C., Müller-Reisener, R., Hellmann, P., et al. (1995). The effect of composition on the occurrence of a second phase transition in the vicinity of T_c in CeCu₂Si₂. Physica B-Condensed Matter, 206-207, 586-588. doi:10.1016/0921-4526(94)00527-3.

Cite as: https://hdl.handle.net/11858/00-001M-0000-0019-E586-1

Abstract

We report on measurements of the thermal expansion and specific heat on a series of polycrystalline CeCu2Si2 samples with small variations in the stoichiometry. The occurrence of superconductivity and/or the surrounding phase labeled ‘A’, were found to be most sensitively controlled by the Ce:Cu:Si composition.