Thermal expansion of the intermediate valence system Sm1-xYxS

Schefzyk, R.; Steglich, F.; Penney, T.; Holtzberg, F.

doi:10.1016/0304-8853(86)90610-4

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Thermal expansion of the intermediate valence system Sm_1-xY_xS

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Schefzyk, R., Steglich, F., Penney, T., & Holtzberg, F. (1986). Thermal expansion of the intermediate valence system Sm_1-xY_xS. Journal of Magnetism and Magnetic Materials, 54-7, 341-342. doi:10.1016/0304-8853(86)90610-4.

Cite as: https://hdl.handle.net/11858/00-001M-0000-0019-CF00-A

Abstract

The thermal expansion, (T), of intermediate valent (IV) Sm1-xYxS single crystals has been measured. For x = 0.7, (T) behaves similar to that published for many other IV systems. For x = 0.28 and x = 0.25, gigantic negative (T) peaks at 172 and 275 K as well as distinct low-T anomalies are observed and ascribed to the vicinity of a first-order valence transition.