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- W4361806912 abstract "We report the Griffiths phase (GP)-like state along with cluster-glass-like state in geometrically frustrated antiferromagnetic $Cr$ substituted $Y_2Ir_2O_7$ pyrochlore iridates. The strength of GP-like behaviour increases with substitution. Interestingly, isothermal remanent magnetization suggests the Ising-like interaction of spins in GP region. The GP-like state is not attributed to the structural disorder as substitution of Cr does not induces any structural change. Then the spin coupling between $Cr^{3+} leftrightarrow Cr^{3+}$, $Ir^{4+} leftrightarrow Ir^{4+}$, $Ir^{4+} leftrightarrow Cr^{3+}$ and $Ir^{4+} leftrightarrow Ir^{5+}$ leads the competition between antiferromagnetic and ferromagnetic correlations. It give rise to Ruderman-Kittel-Kasuya-Yosida (RKKY)-like interaction between $Cr^{3+}$ local magnetic moments mediated by itinerant $Ir$ conduction electrons, hence, as a result GP and cluster-glass-like states emerges." @default.
- W4361806912 created "2023-04-05" @default.
- W4361806912 creator A5045391798 @default.
- W4361806912 date "2023-03-29" @default.
- W4361806912 modified "2023-09-24" @default.
- W4361806912 title "Identification of Griffiths-like phase and its evolution in Cr substituted pyrochlore iridates $Y_2Ir_2O_7$" @default.
- W4361806912 doi "https://doi.org/10.48550/arxiv.2303.16615" @default.
- W4361806912 hasPublicationYear "2023" @default.
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