Ferroelectric and dielectric properties of nanocrystalline BiFeO3 multiferroic ceramics synthesized by solution combustion method (SCM)

• Autorzy: Chaudhari Y. A. , Mahajan C. M. , Abuassaj E. M. , Jagtap P. P. , Patil P. B. , Bendre S. T.
• Języki publikacji: EN

Abstrakty

EN

Nanocrystalline multiferroic BiFeO3 ceramics was prepared by a novel solution combustion method (SCM). The X-ray diffraction (XRD) studies on structural properties of the synthesized ceramics reveal that the BiFeO3 ceramics has rhombhohedral perovskite structure with an average crystallite size of 15 nm. The ferroelectric P-E hysteresis loop measurement at room temperature shows unsaturated behavior with a partial reversal of polarization. Investigations on temperature dependence of dielectric constant in BiFeO3 demonstrate a clear dielectric anomaly at approximately around 380 C, which corresponds to antiferromagnetic to paramagnetic phase transition (TN) and also evidences a possible coupling among the electric and magnetic dipoles of BiFeO3. A room temperature variation of dielectric constant “e” and dielectric loss “tan d” as a function of frequency in the range of 100 Hz – 1 MHz, confirms that both dielectric constant and loss are strong functions of frequency.

Słowa kluczowe

EN

BiFeO3 ceramics; solution combustion method; X-ray diffraction; ferroelectric properties; dielectric properties

• Wydawca: De Gruyter
• Czasopismo: Materials Science Poland
• Rocznik: 2013
• Tom: Vol. 31, No. 2
• Strony: 221--225
• Opis fizyczny: Bibliogr. 21 poz., wykr.

Twórcy

autor

Chaudhari Y. A.

• Department of Physics, School of Physical Sciences, North Maharashtra University, Jalgaon - 425 001 (M.S) India
• Department of Engineering Sciences and Humanities (DESH), SRTTC-FOE, Kamshet, Pune - 410 405 (M.S) India

autor

Mahajan C. M.

• Department of Engineering Sciences and Humanities (DESH), Vishwakarma Institute of Technology (VIT), Pune - 411 037 (M.S) India

autor

Abuassaj E. M.

• Department of Physics, School of Physical Sciences, North Maharashtra University, Jalgaon - 425 001 (M.S) India

autor

Jagtap P. P.

• Department of Physics, School of Physical Sciences, North Maharashtra University, Jalgaon - 425 001 (M.S) India

autor

Patil P. B.

• Department of Physics, School of Physical Sciences, North Maharashtra University, Jalgaon - 425 001 (M.S) India

autor

Bendre S. T.

• Department of Physics, School of Physical Sciences, North Maharashtra University, Jalgaon - 425 001 (M.S) India

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