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. 2016 Aug 13;374(2074):20150304. doi: 10.1098/rsta.2015.0304

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© 2016 The Author(s)

Published by the Royal Society. All rights reserved.

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Figure 3. — (a) ΔS_t/ΔS_t(0) versus 1−T_s/T_c (continuousline—parabolic to a very good approximation). Symbols correspond to experimental data for Ni₅₀Mn_xIn_1−x (diamonds), Ni₄₅Co₅Mn_xIn_1−x (squares) and Ni_42.5Co_7.5Mn_xIn_1−x (triangles) metamagnetic shape-memory alloys. Circles correspond to a Ni₄₅Co₅Mn_36.7In_13.3 alloy subjected to heat treatment that enables the atomic order to be selected [ΔS_t(0)=40 J K kg⁻¹]. For Ni₅₀Mn_xIn_1−x, ΔS_t(0)= 32 J K kg⁻¹; for Ni₄₅Co₅Mn_xIn_1−x, ΔS_t(0)=60 J K kg⁻¹; and for Ni_42.5Co_7.5Mn_xIn_1−x, ΔS_t(0)=50 J K kg⁻¹. (b) ΔS_t(0) and T_c (in reduced units) versus used for scaling the data in panel (a).

Inline graphic — (a) ΔS_t/ΔS_t(0) versus 1−T_s/T_c (continuousline—parabolic to a very good approximation). Symbols correspond to experimental data for Ni₅₀Mn_xIn_1−x (diamonds), Ni₄₅Co₅Mn_xIn_1−x (squares) and Ni_42.5Co_7.5Mn_xIn_1−x (triangles) metamagnetic shape-memory alloys. Circles correspond to a Ni₄₅Co₅Mn_36.7In_13.3 alloy subjected to heat treatment that enables the atomic order to be selected [ΔS_t(0)=40 J K kg⁻¹]. For Ni₅₀Mn_xIn_1−x, ΔS_t(0)= 32 J K kg⁻¹; for Ni₄₅Co₅Mn_xIn_1−x, ΔS_t(0)=60 J K kg⁻¹; and for Ni_42.5Co_7.5Mn_xIn_1−x, ΔS_t(0)=50 J K kg⁻¹. (b) ΔS_t(0) and T_c (in reduced units) versus used for scaling the data in panel (a).