Analysis of X-ray structure, dielectric properties and AC conductivity of (4E)-2-amino-3-cyanobenzo[b]oxocin-6-one

Ali, H.A.M.; Ibrahim, Magdy A.

doi:10.1515/msp-2016-0044

Cited by 8 publications

(3 citation statements)

References 28 publications

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“…Inset of Fig. 8c shows the temperature variation of τ and it is found to follow the Arrhenius behavior given as: [48][49][50]…”

Section: Impedance Spectroscopymentioning

confidence: 86%

Suppression of magnetic phase transition at high magnetic field and non-Debye's nature of nano-crystalline Gd$_2$CoMnO$_6$: a detail study of physical properties

Bhatti,

Mahato

et al. 2020

Preprint

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Structural, magnetization, phonon behavior, and dielectric response of nanocrystalline Gd2CoMnO6 have been presented in this paper. The study shows that the material crystallizes in P21/n phase group of monoclinic crystal structure. XPS measurement shows Co 2+ and Mn 4+ oxidation states are present in the sample. Magnetization study reveals that sample undergoes a ferromagnetic ordering of Co 2+ and Mn 4+ magnetic ions around Tc ∼132 K. However we have seen that with the application of external magnetic field the phase transition is largely suppressed. Raman study reveals the presence spin-phonon coupling in Gd2CoMnO6. Dielectric study reveals that the sample shows large dielectric constant and strong dispersion in mid frequency range. The dielectric loss shows there are two relaxation processes present in the material with different relaxation time and which are driven by thermally activated relaxation mechanics. Further, the Nyquist plot and AC conductivity study shows that this sample is non-Debye's in nature.

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“…Inset of Fig. 8c shows the temperature variation of τ and it is found to follow the Arrhenius behavior given as: [48][49][50]…”

Section: Impedance Spectroscopymentioning

confidence: 86%

Suppression of magnetic phase transition at high magnetic field and non-Debye's nature of nano-crystalline Gd$_2$CoMnO$_6$: a detail study of physical properties

Bhatti,

Mahato

et al. 2020

Preprint

View full text Add to dashboard Cite

show abstract

“…Fig. 11 shows the temperature variation of τ, it is observed that the relaxation time follows Arrhenius behavior given as: [42,43,44]…”

Section: Impedance Spectroscopymentioning

confidence: 99%

“…13. The relaxation time is distributed and suggests that the relaxation mechanism is thermally activated in nature and follows Arrhenius behavior given by: [42,43,44]…”

Section: Electrical Modulusmentioning

confidence: 99%

Structure, magnetic and dielectric properties in nano-crystalline Yb2CoMnO6

Bhatti

Bhatti²,

Mahato

et al. 2020

Materials Chemistry and Physics

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Structural, magnetic and dielectric properties have been studied for Yb 2 CoMnO 6 . Nano-crystalline sample of Yb 2 CoMnO 6 synthesized by sol-gel method and structural analysis shows that the sample crystallizes in monoclinic crystal structure with P2 1 /n phase group. To understand the charge state of Co, Mn and Yb we have performed the XPS study. Magnetic study shows that the sample undergoes a paramagnetic to ferromagnetic phase transition around T c ∼56 K and an additional magnetic ordering at a lower temperature around 14 K due to ordering of Yb 3+ magnetic ions. Temperature dependent Raman study reveals that spin-phonon interaction is present in this material. Further, we have studied the dielectric properties of this material. We observed that the material shows a relaxation behavior that obeys the thermally activated relaxation mechanism. Impedance spectroscopy reveals that the material shows non-Debye's behavior. AC conductivity study is performed to understand the conduction mechanics which involve the quantum mechanical tunneling phenomenon.

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Modeling for electrical impedance spectroscopy of (4E)-2-amino-3-cyanobenzo[b]oxocin-6-one by artificial neural network

Ali

Mohamed

2018

Ceramics International

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Analysis of X-ray structure, dielectric properties and AC conductivity of (4E)-2-amino-3-cyanobenzo[b]oxocin-6-one

Cited by 8 publications

References 28 publications

Suppression of magnetic phase transition at high magnetic field and non-Debye's nature of nano-crystalline Gd$_2$CoMnO$_6$: a detail study of physical properties

Suppression of magnetic phase transition at high magnetic field and non-Debye's nature of nano-crystalline Gd$_2$CoMnO$_6$: a detail study of physical properties

Structure, magnetic and dielectric properties in nano-crystalline Yb2CoMnO6

Modeling for electrical impedance spectroscopy of (4E)-2-amino-3-cyanobenzo[b]oxocin-6-one by artificial neural network

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