Shukla, R. ; Chakraborty, Keka R. ; Mandal, B. P. ; Kaushik, S. D. ; Mukadam, M. D. ; Lawes, G. ; Naik, R. ; Kumarasiri, A. ; Siruguri, V. ; Yusuf, S. M. ; Tyagi, A. K. (2016) Synthesis, characterization and exploration of multiferroic properties in nano-crystalline Tb1-xYxMnO3 (0 ≤ x ≤ 0.4) Journal of Nanoscience and Nanotechnology, 16 (4). pp. 4094-4099. ISSN 1533-4880
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Official URL: http://www.ingentaconnect.com/contentone/asp/jnn/2...
Related URL: http://dx.doi.org/10.1166/jnn.2016.11102
Abstract
We report the synthesis and electric properties of nano-crystalline Tb1-xYxMnO3 (x = 0, 0.1, 0.2, 0.3 and 0.4) compounds prepared by gel-combustion method. These samples were characterized by a number of techniques including X-ray diffraction (XRD), Raman spectroscopy, specific-heat measurement, neutron diffraction, and magnetic field dependent pyrocurrent measurement. All the samples crystallize in the orthorhombic structure with space group Pnma at room temperature. Anomalies were observed in low temperature specific-heat measurement corresponding to magnetic and electric phase transitions. The magnetic phase transitions occurred at ∼35, ∼22–28 and ∼7 K for all the samples. Signatures of coupling between magnetic and electric order parameters were revealed by pyrocurrent measurements carried out in presence of magnetic fields.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to American Scientific Publishers. |
| Keywords: | Multiferroic; Nanomaterials; Perovskite; Rare-Earth Manganites |
| ID Code: | 111631 |
| Deposited On: | 01 Dec 2017 11:51 |
| Last Modified: | 01 Dec 2017 11:51 |
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