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Article
Enhancement of Multiferroic Properties of La-Doped GaFeO3
The present work reports a series of polycrystalline GaFe1-xLaxO3 (x = 0.05, 0.10, 0.15) ceramics were prepared by using ceramic method. Further, the effect on the structural, electrical and magnetic properties w...
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Article
A scalable ferroelectric non-volatile memory operating at 600 °C
Non-volatile memory devices that can operate reliably at high temperature are required for the development of extreme environment electronics. However, creating such devices remains challenging. Here we report...
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Article
Open AccessCompositional induced structural phase transitions in (1 − x)(K0.5Na0.5)NbO3–x(Ba0.5Sr0.5)TiO3 ferroelectric solid solutions
Ferroelectric materials exhibiting switchable and spontaneous polarization have strong potential to be utilized in various novel electronic devices. Solid solutions of different perovskite structures induce th...
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Article
Dielectric, ferroelectric, magnetic and electrical properties of Sm-doped GaFeO3
The effect of Sm do** on structural, dielectric, multiferroic and electrical properties of GaFeO3 with composition GaFe1-xSmxO3 (x = 0, 0.05, 0.10, 0.15) is studied. Rietveld refinement of the XRD data reveals ...
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Article
Recent developments on 2D magnetic materials: challenges and opportunities
The emergence of two-dimensional (2D) magnetic materials exhibiting strong magnetization at ultrathin limits above room temperature is promising for miniaturization of devices beyond Moore’s law for future ene...
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Article
Open AccessUnravelling the nature of magneto-electric coupling in room temperature multiferroic particulate (PbFe0.5Nb0.5O3)–(Co0.6Zn0.4Fe1.7Mn0.3O4) composites
Multiferroic composites are promising candidates for magnetic field sensors, next-generation low power memory and spintronic devices, as they exhibit much higher magnetoelectric (ME) coupling and coupled order...
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Article
Open AccessLead-free relaxor-ferroelectric thin films for energy harvesting from low-grade waste-heat
One of the ways to mitigate the world energy crisis is to harvest clean and green energy from waste-heat, which is abundant, ubiquitous, and free. Energy harvesting of this waste-heat is one of the most encour...
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Article
Open AccessLarge energy storage density performance of epitaxial BCT/BZT heterostructures via interface engineering
We grew lead-free BaZr0.2Ti0.8O3 (BZT)/Ba0.7Ca0.3TiO3 (BCT) epitaxial heterostructures and studied their structural, dielectric, ferroelectric and energy density characteristics. The BZT/BCT epitaxial heterostruc...
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Article
Open AccessStudies of Multiferroic Palladium Perovskites
We have studied the atomic force microscopy (AFM), X-ray Bragg reflections, X-ray absorption spectra (XAS) of the Pd L-edge, Scanning electron microscopey (SEM) and Raman spectra, and direct magnetoelectric te...
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Article
Open AccessExploring the Magnetoelectric Coupling at the Composite Interfaces of FE/FM/FE Heterostructures
Multiferroic materials have attracted considerable attention as possible candidates for a wide variety of future microelectronic and memory devices, although robust magnetoelectric (ME) coupling between electr...
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Article
Open AccessReconstructing phase diagrams from local measurements via Gaussian processes: map** the temperature-composition space to confidence
We show the ability to map the phase diagram of a relaxor-ferroelectric system as a function of temperature and composition through local hysteresis curve acquisition, with the voltage spectroscopy data being ...
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Article
Structure, dielectric, ferroelectric, and energy density properties of (1 − x)BZT–xBCT ceramic capacitors for energy storage applications
We investigate the dielectric, ferroelectric, and energy density properties of Pb-free (1 − x)BZT–xBCT ceramic capacitors at higher sintering temperature (1600 °C). A significant increase in the dielectric consta...
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Article
Erratum to: Structure and dielectric properties of BaO–B2O3–ZnO–[(BaZr0.2Ti0.80)O3]0.85 − [(Ba0.70Ca0.30)TiO3]0.15 glass–ceramics for energy storage
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Article
Structure and dielectric properties of BaO–B2O3–ZnO–[(BaZr0.2Ti0.80)O3]0.85 − [(Ba0.70Ca0.30)TiO3]0.15 glass–ceramics for energy storage
Alkali-free [0.10 BaO + 0.4 B2O3 + 0.5 ZnO], [0.3 BaO + 0.6 B2O3 + 0.1 ZnO] glass powder materials were mixed with [(BaZr0.2Ti0.80)O3]0.85 − [(Ba0.70Ca0.30)TiO3]0.1—BZT–BCT ceramic materials for energy density st...
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Article
Temperature Dependent Magnetic, Dielectric Studies of Sm-Substituted Bulk BiFeO3
Bismuth ferrite- (BiFeO3) ceramic is the most studied and attractive multiferroic material with low magnetization, moderate leakage current, and low polarization. Samarium substituted bulk BiFeO3 prepared at low ...
