Influence of La doping on structure, AC conductivity and impedance spectroscopy of Ba2SnO4 Ruddlesden Popper oxide

Kumar, Upendra; Cheema, Harshpreet; Yadav, Vedika; Maurya, Ram Sundar; Kumar, Aditya; Alvi, P. A.

doi:10.1016/j.matchemphys.2021.125186

Cited by 20 publications

(8 citation statements)

References 71 publications

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“…The other peaks in the fingerprint region 1377cm -1 is assigned as in plane bendingof -CH. The peaks at 1011cm -1 ,1070cm -1 1119cm -1 1177 cm -1 and 1238 cm This unstability in the phase of polymer is visible in the DSC curve shown in the inset of Fig-2 [22]. The increase in temperature is due to the dissociation of salt facilitate the free charge carrier/ion which enhance the conductivity of the system.…”

Section: Resultsmentioning

confidence: 94%

Estimation of ion transport parameters in PVFM-based solid polymer electrolyte using Trukhan model

Pandey,

Dwivedi,

Sanjay

et al. 2024

Ionics

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Biosynthetic route for the synthesis of nanoparticles involving fossil extract is a modest eco-friendly process, the study focused on a relatively new class of functional materials known as polymerized ionic liquids The synthesized nanoparticles were then characterized through UV-Visible, FTIR and X-ray diffractionspectroscopy.Nanoparticles incorporated in polymers providing an exciting base for newer technology for the development of cost effective electrochemical and devices. Poly (vinyl alcohol) (PVAM) is one of the eco-friendly semi-crystalline polymers which has inter-and intra-molecular hydrogen bonds, whose degree is greatly dependent on the texture of the polymer. We have fabricated a naturally plasticized nanopolymer electrolyte membrane with high ionic conductivity using nano MMT incorporated in PVAM. Randomly interwoven nano-fibrous structures are generally preferred for electrolyte systems due to their continuous structure. The use of nano-composites provided a better polymer interface as well as the high free volume size, through which molecules transport occurs in nano-composite membrane matrix. The advantage of a surface comprised of ultra-fine, continuous nano fibres naturally becomes highly porous. Nano composite membrane due to its high porosity becomes a major responsive factor to enhance the ionic conductivity. We have considered a comparative study of these fabricated nano-composites. The structural behaviour of the polymer nano-composite membrane was investigated by XRD, FTIR, optical microscopy and scanning electron microscopic technique. XRD curve revealed the amorphous nature of membrane, which is favourable for the better conduction and sensing behaviour, as the conductivity-frequency plots showed the Universal power law. The asymmetric shape of the Dielectric relaxation plots given a strong evidence of low frequency dispersion and deviation from the pure Debye behaviour.

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Section: Resultsmentioning

confidence: 94%

Estimation of ion transport parameters in PVFM-based solid polymer electrolyte using Trukhan model

Pandey,

Dwivedi,

Sanjay

et al. 2024

Ionics

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“…9(a). The relationship between the log σ dc and temperature ( T ) is given by the well-known Arrhenius equation and is given by the following equation: 50 where σ 0 is a pre-exponential factor, k B is Boltzmann's constant, and E c is the activation energy involved in the conduction of mobile charge carriers in a sample. The thermal dependence dc conductivity shows two regions of conduction having different values of slope ( E c ).…”

Section: Resultsmentioning

confidence: 99%

Structural, microstructure, dielectric relaxation, and AC conduction studies of perovskite SrSnO₃ and Ruddlesden–Popper oxide Sr₂SnO₄

Jatiya,

Yadav,

Kumar

et al. 2024

Phys. Chem. Chem. Phys.

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“…Ionic polarization occurs due to the ionization of atoms and is active between 1 MHz and 1 GHz. Electronic polarization occurs when electrons completely separate from ions and are active above 1 GHz 53 . Upon considering the measurable frequency range, it was determined that only interfacial and orientational polarization were present within the sample.…”

Section: Resultsmentioning

confidence: 99%

“…Electronic polarization occurs when electrons completely separate from ions and are active above 1 GHz. 53 Upon considering the measurable frequency range, it was determined that only interfacial and orientational polarization were present within the sample. The dielectric constant is higher at low frequencies due to the dipoles being able to easily align with the alternating electric field, resulting in increased interfacial polarization.…”

Section: Dielectric and Dissipation Factor Analysismentioning

confidence: 99%

Structural, microstructure, spectroscopic, and magnetic investigation of vanadium‐doped SrTiO₃ perovskite ceramics

Yadav,

Cheema,

Alvi

et al. 2024

J Am Ceram Soc.

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In this study, we provide the synthesis and analysis of the structure, microstructure, and spectroscopic properties of V‐doped SrTiO3. The monophasic samples were made using the usual ceramic method, which involved calcination at temperatures of 1000°C and 1300°C. The X‐ray diffraction analysis, combined with the Rietveld refinement, conclusively demonstrates that they have crystallized in a cubic structure, namely under the space group . The inclusion of vanadium (V) at the titanium (Ti) site has been investigated by evaluating the size of the crystallite and grain. The investigation of dielectric and dissipation factors at different frequencies indicates the existence of interfacial and orientational polarization. Two distinct conduction and relaxation processes were identified within the temperature range examined based on the spectroscopic plot. The presence of a paramagnetic phase in the samples, caused by the presence of V and its magnetic interaction with oxygen vacancies, indicates that it can be classified as a soft magnetic material. The electrode's consistent dielectric constant and dissipation factor make it well‐suited for use in supercapacitor dielectric capacitors. Additionally, its mixed‐type conduction, involving both ionic and electronic conduction, makes it excellent for use as electrode materials in intermediate‐temperature solid oxide fuel cells’ applications.

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Influence of La doping on structure, AC conductivity and impedance spectroscopy of Ba2SnO4 Ruddlesden Popper oxide

Cited by 20 publications

References 71 publications

Estimation of ion transport parameters in PVFM-based solid polymer electrolyte using Trukhan model

Estimation of ion transport parameters in PVFM-based solid polymer electrolyte using Trukhan model

Structural, microstructure, dielectric relaxation, and AC conduction studies of perovskite SrSnO₃ and Ruddlesden–Popper oxide Sr₂SnO₄

Structural, microstructure, spectroscopic, and magnetic investigation of vanadium‐doped SrTiO₃ perovskite ceramics

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Influence of La doping on structure, AC conductivity and impedance spectroscopy of Ba2SnO4 Ruddlesden Popper oxide

Cited by 20 publications

References 71 publications

Estimation of ion transport parameters in PVFM-based solid polymer electrolyte using Trukhan model

Estimation of ion transport parameters in PVFM-based solid polymer electrolyte using Trukhan model

Structural, microstructure, dielectric relaxation, and AC conduction studies of perovskite SrSnO3 and Ruddlesden–Popper oxide Sr2SnO4

Structural, microstructure, spectroscopic, and magnetic investigation of vanadium‐doped SrTiO3 perovskite ceramics

Contact Info

Product

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About

Structural, microstructure, dielectric relaxation, and AC conduction studies of perovskite SrSnO₃ and Ruddlesden–Popper oxide Sr₂SnO₄

Structural, microstructure, spectroscopic, and magnetic investigation of vanadium‐doped SrTiO₃ perovskite ceramics