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The resistivity, magnetoresistance and in-field heat capacity measurementswere performed on GdPt$_{2}$ intermetallic compound. The magnetocaloricparameters $\Delta T_{ad}$ and $-\Delta S$ were derived from the in-field heatcapacity data. Comparison has been made between the magnetocaloric effect$-\Delta S$ and difference in resistivity $-\Delta \rho$ $(=\rho(H)-\rho(0))$as a function of temperature. There is distinct difference in the temperaturedependence of $-\Delta S$ and $-\Delta \rho$ below the ferromagnetic transitiontemperature. However after removing the domain wall contribution from $-\Delta\rho$, the nature of $-\Delta S$ and $-\Delta \rho$ dependence as a function oftemperature are similar. Our observation indicates that the domain wallcontribution in magnetocaloric effect is negligible in spite of the fact thatit has significant contribution in magnetotransport.Comment: RevTex 4 pages, 6 figure

physical review. b, condensed matter and materials physics

Negligible influence of domain walls on the magnetocaloric effect in<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mi mathvariant="normal">Gd</mml:mi><mml:msub><mml:mi mathvariant="normal">Pt</mml:mi><mml:mn>2</mml:mn></mml:msub></mml:mrow></mml:math>

Negligible influence of domain walls on the magnetocaloric effect inGdPt2