Banerjee, Shilpi ; Datta, Anindya ; Bhaumik, Asim ; Chakravorty, Dipankar (2011) Multiferroic behaviour of nanoporous BaTiO3 Journal of Applied Physics, 110 (6). 064316_1-064316_6. ISSN 0021-8979
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Official URL: http://jap.aip.org/resource/1/japiau/v110/i6/p0643...
Related URL: http://dx.doi.org/10.1063/1.3641639
Abstract
Nanoporous BaTiO3 particles with an average diameter of 27 nm have been synthesized using a soft template based on poloxamer. The pore width has been found to be ~10 nm. The nanoporous particles have a surface area of 107 m2gm−1. This introduces a large surface area leading to the creation of a large number of oxygen vacancies. The latter contributes to the ferromagnetic behavior of the nanoparticles. A multiferroic property was exhibited by these particles. The oxygen vacancy concentration decreased as the BaTiO3 particle size increased. The magnetization decreased with an increase in the particle size. A magnetodielectric parameter of 11% has been observed in this system corresponding to an applied magnetic field of 10 kOe.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to American Institute of Physics. |
| Keywords: | Amorphous Magnetic Materials; Barium Compounds; Ferroelectric Materials; Ferroelectricity; Ferromagnetic Materials; Magnetic Particles; Magnetisation; Magnetoelectric Effects; Multiferroics; Nanofabrication; Nanomagnetics; Nanoparticles; Nanoporous Materials; Particle Size; Vacancies (Crystal) |
| ID Code: | 65702 |
| Deposited On: | 17 Oct 2011 10:40 |
| Last Modified: | 17 Oct 2011 10:40 |
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