Dielectric behaviour of mechano-chemically synthesised [(CH3NH3)3Bi2Br9]: a lead free hybrid perovskite

Pujaru, Swagatalaxmi; Sadhukhan, Priyabrata; Halder, Mithun; Ghosh, Basudev; Dhara, Arup; Das, Sachindranath

doi:10.1080/14328917.2021.1961413

Materials Research Innovations

2021

DOI: 10.1080/14328917.2021.1961413

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Dielectric behaviour of mechano-chemically synthesised [(CH₃NH₃)₃Bi₂Br₉]: a lead free hybrid perovskite

Swagatalaxmi Pujaru

Priyabrata Sadhukhan

Mithun Halder

et al.

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“…Computation of the relaxation time, relaxation frequency and activation energy from the imaginary portion of the impedance spectra was made using the Arrhenius plot (ln(τ p ) vs 1000/T). 13 Also, the possible reason behind the relaxation process may be the existence of defects in the higher temperature region and electrons/ immobile species at low temperatures. Badapanda et al observed the relaxor-like characteristics in BaZr 0.25 TiO 3 ceramic.…”

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Impedance Spectroscopy and AC Conductivity Analysis of (Ba_1−kCa_k)(Zr_0.1Ti_0.9)O₃, (0.140 ≤ k ≤ 0.160), Ceramics

Biswas,

Singh,

Thapliyal

et al. 2023

ECS Adv.

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Ceramic pellets of (Ba1-kCak)(Zr1-zTiz)O3, (k = 0.140-0.160, z = 0.9) were prepared via solid-state reaction technique followed by double sintering. The impedance measurements were carried out at different temperatures and frequencies (12-1000 kHz). The NTCR nature exhibits the semiconducting behavior of the prepared BCZT ceramics in the measured temperature range. The temperature also has a considerable impact on the relaxing process. The characteristics of Nyquist plots show that bulk and grain boundary effects exist in BCZT ceramics. The bulk conductivity indicates an Arrhenius-type thermally activated process. The observed impedance spectra, relaxation behavior, and AC conductivity of the prepared compositions of BCZT ceramics will extend the possibilities for using this compound in various optoelectronic applications.

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confidence: 99%

Impedance Spectroscopy and AC Conductivity Analysis of (Ba_1−kCa_k)(Zr_0.1Ti_0.9)O₃, (0.140 ≤ k ≤ 0.160), Ceramics

Biswas,

Singh,

Thapliyal

et al. 2023

ECS Adv.

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Dielectric behaviour of mechano-chemically synthesised [(CH₃NH₃)₃Bi₂Br₉]: a lead free hybrid perovskite

Cited by 1 publication

References 27 publications

Impedance Spectroscopy and AC Conductivity Analysis of (Ba_1−kCa_k)(Zr_0.1Ti_0.9)O₃, (0.140 ≤ k ≤ 0.160), Ceramics

Impedance Spectroscopy and AC Conductivity Analysis of (Ba_1−kCa_k)(Zr_0.1Ti_0.9)O₃, (0.140 ≤ k ≤ 0.160), Ceramics

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Dielectric behaviour of mechano-chemically synthesised [(CH3NH3)3Bi2Br9]: a lead free hybrid perovskite

Cited by 1 publication

References 27 publications

Impedance Spectroscopy and AC Conductivity Analysis of (Ba1−kCak)(Zr0.1Ti0.9)O3, (0.140 ≤ k ≤ 0.160), Ceramics

Impedance Spectroscopy and AC Conductivity Analysis of (Ba1−kCak)(Zr0.1Ti0.9)O3, (0.140 ≤ k ≤ 0.160), Ceramics

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Dielectric behaviour of mechano-chemically synthesised [(CH₃NH₃)₃Bi₂Br₉]: a lead free hybrid perovskite

Impedance Spectroscopy and AC Conductivity Analysis of (Ba_1−kCa_k)(Zr_0.1Ti_0.9)O₃, (0.140 ≤ k ≤ 0.160), Ceramics

Impedance Spectroscopy and AC Conductivity Analysis of (Ba_1−kCa_k)(Zr_0.1Ti_0.9)O₃, (0.140 ≤ k ≤ 0.160), Ceramics