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Some recent experimental studies show the invisibility of antiferromagnetictransition in the cases of manganites when their particle size is reduced tonanometer scale. In complete contrast to these cases, we have observed thesignature of antiferromagnetic transition in the magnetocaloric properties ofnanocrystalline La$_{0.125}$Ca$_{0.875}$MnO$_{3}$ of average particle size 70and 60 nm similar to its polycrystalline bulk form. The system exhibit inversemagnetocaloric effect in its polycrystalline and nanocrystalline form. An extraferromagnetic phase is stabilized at low temperature for the sample withparticle size $\sim 60$ nm.

Magnetocaloric properties of nanocrystalline La$_{0.125}$Ca$_{0.875}$MnO$_{3}$