Field induced magnetic transition and metastability in Co substituted $Mn {2}Sb$ - Condensed Matter > Strongly Correlated ElectronsReportar como inadecuado




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Abstract: A detailed investigation of first order ferrimagnetic FRI toantiferromagnetic AFM transition in Co 15% doped $Mn 2Sb$ is carried out.These measurements demonstrate anomalous thermomagnetic irreversibility andglass-like frozen FRI phase at low temperatures. The irreversibility arisingbetween the supercooling and superheating spinodals is distinguised in aningenious way from the irreversibility arising due to kinetic arrest. Fieldannealing measurements shows reentrant FRI-AFM-FRI transition with increasingtemperature. These measurements also show that kinetic arrest band andsupercooling band are anitcorrelated i.e regions which are kinetically arrestedat higher temperature have lower supercooling temperature and vice versa.



Autor: Pallavi Kushwaha, R Rawat, P Chaddah

Fuente: https://arxiv.org/







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