Valence fluctuations and giant isotropic negative thermal expansion in Sm1-xRxS (R= Y, La, Ce, Pr, Nd)

Asai, D; Mizuno, Y; Hasegawa, H; Yokoyama, Y; Okamoto, Y; Katayama, N; Suzuki, HS; Imanaka, Y; Takenaka, K

Takenaka, K (reprint author), Nagoya Univ, Dept Appl Phys, Chikusa Ku, Furo Cho, Nagoya, Aichi 4648603, Japan.

APPLIED PHYSICS LETTERS, 2019; 114 (14):

Abstract

The valence fluctuations of Sm in samarium monosulfide (SmS) are known to induce possible large isotropic negative thermal expansion (NTE), but diffic......

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