2023
DOI: 10.1088/1361-648x/acf827
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Unusual critical behavior of Griffiths ferromagnet Ho2NiMnO6 at magnetic phase transition

Tirthankar Chakraborty,
Suja Elizabeth

Abstract: The critical behavior at the ferromagnetic to paramagnetic phase transition of a Griffiths ferromagnet, Ho2NiMnO6, is studied using modified Arrott plot, Kouvel-Fischer, and critical isotherm analysis. Here, we report a second-order phase transition and conclude from the estimated critical exponents that it is unusual and do not belong to conventional universality classes. However, they obey scaling relationships, which indicates the renormalization of interactions around the phase transition temperature. The … Show more

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Cited by 2 publications
(4 citation statements)
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“…This implies an intrinsic and well-defined phase transition with classic magnetic ordering. This observation is consistent with the identified magnetic phase transition at 86 K using DC magnetization data and critical analysis of the phase transition [30,31].…”
Section: Ac Susceptibilitysupporting
confidence: 89%
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“…This implies an intrinsic and well-defined phase transition with classic magnetic ordering. This observation is consistent with the identified magnetic phase transition at 86 K using DC magnetization data and critical analysis of the phase transition [30,31].…”
Section: Ac Susceptibilitysupporting
confidence: 89%
“…. Furthermore, our findings unveiled the second order nature of the Griffiths phase transition, causing a departure from the anticipated critical exponents typically associated with conventional universality classes [31]. Here, we will carry out a detailed analysis of AC susceptibility to explore the dynamic aspects of magnetic behavior of the system, with a particular focus on the Griffiths phase.…”
Section: Resultsmentioning
confidence: 86%
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