Evolution of spin freezing transition and structural, magnetic phase diagram of Dy $$_{2-\textit{x}}$$ 2 - x La $$_\textit{x}$$ x Zr $$_{2}$$ 2 O $$_{7}$$ 7 (0 $$\le$$ ≤ $$\textit{x}$$ x $$\le$$ ≤ 2.0)
Abstract Dy $$_{2}$$ 2 Zr $$_{2}$$ 2 O $$_{7}$$ 7 a disordered pyrochlore system, exhibits the spin freezing behavior under the application of the magnetic field. We have performed detailed magnetic studies of Dy $$_{2-\textit{x}}$$ 2 - x La $$_\textit{x}$$ x Zr $$_{2}$$ 2 O $$_{7}$$ 7 to understand...
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Nature Portfolio
2021
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oai:doaj.org-article:f9ffeeb7e23745008666338c934c64cc2021-12-02T18:01:41ZEvolution of spin freezing transition and structural, magnetic phase diagram of Dy $$_{2-\textit{x}}$$ 2 - x La $$_\textit{x}$$ x Zr $$_{2}$$ 2 O $$_{7}$$ 7 (0 $$\le$$ ≤ $$\textit{x}$$ x $$\le$$ ≤ 2.0)10.1038/s41598-021-99035-z2045-2322https://doaj.org/article/f9ffeeb7e23745008666338c934c64cc2021-10-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-99035-zhttps://doaj.org/toc/2045-2322Abstract Dy $$_{2}$$ 2 Zr $$_{2}$$ 2 O $$_{7}$$ 7 a disordered pyrochlore system, exhibits the spin freezing behavior under the application of the magnetic field. We have performed detailed magnetic studies of Dy $$_{2-\textit{x}}$$ 2 - x La $$_\textit{x}$$ x Zr $$_{2}$$ 2 O $$_{7}$$ 7 to understand the evolution of the magnetic spin freezing in the system. Our studies suggest the stabilization of the pyrochlore phase with the substitution of non-magnetic La along with the biphasic mixture of fluorite and pyrochlore phases for the intermediate compositions. We observed that the spin freezing (T $$_{f}$$ f $$\sim$$ ∼ 17 K) at higher La compositions (1.5 $$\le$$ ≤ $$\textit{x}$$ x $$\le$$ ≤ 1.99) is similar to the field-induced spin freezing for low La compositions (0 $$\le$$ ≤ $$\textit{x}$$ x $$\le$$ ≤ 0.5) and the well-known spin ice systems Dy $$_{2}$$ 2 Ti $$_{2}$$ 2 O $$_{7}$$ 7 and Ho $$_{2}$$ 2 Ti $$_{2}$$ 2 O $$_{7}$$ 7 . The low-temperature magnetic state for higher La compositions (1.5 $$\le$$ ≤ $$\textit{x}$$ x $$\le$$ ≤ 1.99) culminates into a spin-glass like state below 6 K. Cole–Cole plot and Casimir-du Pr $$\acute{e}$$ e ´ fit shows the narrow distribution of spin relaxation time in these compounds.SheetalC. S. YadavNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-9 (2021) |
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Medicine R Science Q |
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Medicine R Science Q Sheetal C. S. Yadav Evolution of spin freezing transition and structural, magnetic phase diagram of Dy $$_{2-\textit{x}}$$ 2 - x La $$_\textit{x}$$ x Zr $$_{2}$$ 2 O $$_{7}$$ 7 (0 $$\le$$ ≤ $$\textit{x}$$ x $$\le$$ ≤ 2.0) |
| description |
Abstract Dy $$_{2}$$ 2 Zr $$_{2}$$ 2 O $$_{7}$$ 7 a disordered pyrochlore system, exhibits the spin freezing behavior under the application of the magnetic field. We have performed detailed magnetic studies of Dy $$_{2-\textit{x}}$$ 2 - x La $$_\textit{x}$$ x Zr $$_{2}$$ 2 O $$_{7}$$ 7 to understand the evolution of the magnetic spin freezing in the system. Our studies suggest the stabilization of the pyrochlore phase with the substitution of non-magnetic La along with the biphasic mixture of fluorite and pyrochlore phases for the intermediate compositions. We observed that the spin freezing (T $$_{f}$$ f $$\sim$$ ∼ 17 K) at higher La compositions (1.5 $$\le$$ ≤ $$\textit{x}$$ x $$\le$$ ≤ 1.99) is similar to the field-induced spin freezing for low La compositions (0 $$\le$$ ≤ $$\textit{x}$$ x $$\le$$ ≤ 0.5) and the well-known spin ice systems Dy $$_{2}$$ 2 Ti $$_{2}$$ 2 O $$_{7}$$ 7 and Ho $$_{2}$$ 2 Ti $$_{2}$$ 2 O $$_{7}$$ 7 . The low-temperature magnetic state for higher La compositions (1.5 $$\le$$ ≤ $$\textit{x}$$ x $$\le$$ ≤ 1.99) culminates into a spin-glass like state below 6 K. Cole–Cole plot and Casimir-du Pr $$\acute{e}$$ e ´ fit shows the narrow distribution of spin relaxation time in these compounds. |
| format |
article |
| author |
Sheetal C. S. Yadav |
| author_facet |
Sheetal C. S. Yadav |
| author_sort |
Sheetal |
| title |
Evolution of spin freezing transition and structural, magnetic phase diagram of Dy $$_{2-\textit{x}}$$ 2 - x La $$_\textit{x}$$ x Zr $$_{2}$$ 2 O $$_{7}$$ 7 (0 $$\le$$ ≤ $$\textit{x}$$ x $$\le$$ ≤ 2.0) |
| title_short |
Evolution of spin freezing transition and structural, magnetic phase diagram of Dy $$_{2-\textit{x}}$$ 2 - x La $$_\textit{x}$$ x Zr $$_{2}$$ 2 O $$_{7}$$ 7 (0 $$\le$$ ≤ $$\textit{x}$$ x $$\le$$ ≤ 2.0) |
| title_full |
Evolution of spin freezing transition and structural, magnetic phase diagram of Dy $$_{2-\textit{x}}$$ 2 - x La $$_\textit{x}$$ x Zr $$_{2}$$ 2 O $$_{7}$$ 7 (0 $$\le$$ ≤ $$\textit{x}$$ x $$\le$$ ≤ 2.0) |
| title_fullStr |
Evolution of spin freezing transition and structural, magnetic phase diagram of Dy $$_{2-\textit{x}}$$ 2 - x La $$_\textit{x}$$ x Zr $$_{2}$$ 2 O $$_{7}$$ 7 (0 $$\le$$ ≤ $$\textit{x}$$ x $$\le$$ ≤ 2.0) |
| title_full_unstemmed |
Evolution of spin freezing transition and structural, magnetic phase diagram of Dy $$_{2-\textit{x}}$$ 2 - x La $$_\textit{x}$$ x Zr $$_{2}$$ 2 O $$_{7}$$ 7 (0 $$\le$$ ≤ $$\textit{x}$$ x $$\le$$ ≤ 2.0) |
| title_sort |
evolution of spin freezing transition and structural, magnetic phase diagram of dy $$_{2-\textit{x}}$$ 2 - x la $$_\textit{x}$$ x zr $$_{2}$$ 2 o $$_{7}$$ 7 (0 $$\le$$ ≤ $$\textit{x}$$ x $$\le$$ ≤ 2.0) |
| publisher |
Nature Portfolio |
| publishDate |
2021 |
| url |
https://doaj.org/article/f9ffeeb7e23745008666338c934c64cc |
| work_keys_str_mv |
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