Ferroelectricity and ferromagnetism in fine-grained multiferroic BaTiO3/(Ni0.5Zn0.5)Fe2O4 composites prepared by a novel hybrid process |
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| Authors: | Hongfang Zhang Piyi Du |
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| Institution: | 1. Department of Applied Physics, Aligarh Muslim University, Aligarh 202 002, India;2. Spin Device Technology Centre, Department of Information Engineering, Shinshu University, Nagano 380-8553, Japan;3. Solid State Physics Division, Bhabha Atomic Research Centre, Mumbai 400 085, India;4. National Physical Laboratory (CSIR), Dr. K.S. Krishnan Road, New Delhi 110 012, India;5. Department of Physics, Pohang University of Science and Technology, Pohang 790-784, Republic of Korea;6. Department of Physics, School of Science, Gujarat University, Ahmedabad 380 009, India;7. Centre for Material Science Engineering, National Institute of Technology, Hamirpur 171 005, HP, India;1. Department of Physics, The Islamia University of Bahawalpur, Bahawalpur 63100, Pakistan;2. Department of Chemistry, The Islamia University of Bahawalpur, Bahawalpur 63100, Pakistan;3. Deanship of Scientific Research, College of Engineering, P.O. Box 800, King Saud University, Riyadh 11421, Saudi Arabia;4. Centre of Excellence in Solid State Physics, University of the Punjab, Lahore 54590, Pakistan;1. State Key Laboratory of Automotive Simulation and Control, Jilin University,5988 Renmin Avenue, Changchun 130012, China;2. State Key Laboratory on Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University,2699 Qianjin Street, Changchun 130012, China;3. School of Information Science and Engineering, Central South University, Changsha 410083, China;1. Department of Applied Physics, University of Tsukuba, Tsukuba, Ibaraki 305-8573, Japan;2. Univ. Grenoble Alpes, CNRS, Grenoble INP, Institut Néel, 38000 Grenoble, France;1. School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing, Beijing 10083, PR China;2. Shanxi Collaborative Innovation Center of High Value-added Utilization of Coal-related Wastes, Shanxi University, Taiyuan 030006, PR China |
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| Abstract: | Dense, homogeneous, and fine-grained multiferroic BaTiO3/(Ni0.5Zn0.5)Fe2O4 composite ceramics are synthesized by a novel powder-in-sol precursor hybrid processing route. This route includes the dispersion of nanosized BaTiO3 ferroelectric powders prepared via conventional sold-state ceramic process into (Ni0.5Zn0.5)Fe2O4 ferromagnetic sol-gel precursor prepared via a sol-gel wet chemistry process. The composite ceramics show coexistence of obvious ferroelectric and ferromagnetic hysteresis loops at room temperature. Very low dielectric loss of about 0.02–0.0067 in the range of 10 kHz–10 MHz can be achieved, which is about an order of magnitude lower than the results of many reports using conventional processes at room temperature. The combination of high permeability and permittivity with low losses in the ceramics enables significant miniaturization of electronic devices based on the ceramics. |
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