Anomalous dielectric response with suppression in Neel temperature of Bi0.9Y0.1Fe1-xMnxO3 (0 <= x <= 0.07) ceramics
IR@NPL: CSIR-National Physical Laboratory, New Delhi
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| Title |
Anomalous dielectric response with suppression in Neel temperature of Bi0.9Y0.1Fe1-xMnxO3 (0 <= x <= 0.07) ceramics
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| Creator |
Kumar, Virendra
Gaur, Anurag Kotnala, R. K. |
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| Subject |
Physical Chemistry
Materials Science Metallurgy & Metallurgical Engineering |
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| Description |
In this study, we have prepared Bi0.9Y0.1Fe1-xMnxO3 (0 <= x <= 0.07) samples by rapid liquid phase sintering method. XRD confirms the pure phase formation without any impurity for all samples. An anomaly near the Neel temperature in dielectric measurement has been observed in the sample with x = 0, which suppressed towards lower temperature as Mn concentration increases from x = 0 to 0.07. This indicates the suppression in Neel temperature, which is further confirmed by magnetization versus temperature results. Magnetization versus field (M-H) curves recorded at room temperature reveal that the value of magnetization increases from 0.046 to 0.62 emu/g by increasing the Mn concentration from x = 0 to 0.07 and samples starts to show the saturated ferromagnetic behavior. Polarization versus electric field (P-E) studies demonstrate that the value of polarization decreases from 0.73 to 0.37 mu C/cm(2) as Mn concentration increases from x = 0 to 0.07.
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| Publisher |
Elsevier
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| Date |
2013-02-25
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| Type |
Article
PeerReviewed |
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| Format |
application/pdf
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| Identifier |
http://npl.csircentral.net/2972/1/Anomalous%20dielectric%20response%20with%20suppression.pdf
Kumar, Virendra and Gaur, Anurag and Kotnala, R. K. (2013) Anomalous dielectric response with suppression in Neel temperature of Bi0.9Y0.1Fe1-xMnxO3 (0 <= x <= 0.07) ceramics. Journal of Alloys and Compounds, 551. pp. 410-414. ISSN 0925-8388 |
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| Relation |
http://npl.csircentral.net/2972/
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