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Probing structural, surface morphological, optical, low temperature magnetic studies and electrochemical studies on gadolinium tellurite (GdTeO3)

  • Ariponnammal Shanmuga Sundaram EMAIL logo , Ramalakshmi Ramakrishnan and Shanmugha Soundare Sivakumar
Published/Copyright: December 6, 2024
Zeitschrift für Physikalische Chemie
From the journal Zeitschrift für Physikalische Chemie Volume 239 Issue 8

Abstract

Gadolinium tellurite (GdTeO3) has been synthesized by hydrothermal process. It displays both tiny nanorods and spherical particles embedded in a structure resembling flakes. Using a particle size analyzer, the size of the particle is found to be 142.5 nm. GdTeO3 has a cubic structure. Urbach energy is 0.4566 eV, energy gap is 5.797 eV, and refractive index is 1.890. The sample is suitable as UV filter and an effective applicant of optoelectronics. The bands observed in UV spectrum are assigned with the transitions between energy levels of Gd and attributed to different surface defects. The bands seen in the spectrum are linked to Gd’s energy level transitions and have various surface imperfections. The sample contained tellurite in an oxide matrix containing gadolinium. Magnetic analysis indicates that GdTeO3 may be undergoing a phase transition and may contain a small impurity. At 300 K, the M−H curve demonstrates paramagnetic and weak ferromagnetic characteristics with aligned cooperative Gadolinium spins. Pseudocapacitive behavior is shown by the cyclic voltammogram and Cp analysis. The sample exhibits 0.90 V potential window. It has been observed that specific capacitance is 139.34 Fg−1 from cyclic voltammogram and 112.93 Fg−1 from Cp analysis. Analysis of impedance reveals a pseudo-capacitive character.

Keywords: GdTeO3; SEM; XRD; optical; magnetic; electrochemical analysis
Corresponding author: Ariponnammal Shanmuga Sundaram, Department of Physics, Gandhigram Rural Institute, Deemed To Be University, Gandhigram 624302, Dindigul District, Tamilnadu, India, E-mail:

Acknowledgments

Authors are thankful to SAIF-IITM, Chennai, India for access to their low temperature facilities.

  1. Research ethics: Not applicable.

  2. Informed consent: Not applicable.

  3. Author contributions: All authors have accepted responsibility for the entire content of this manuscript and approved its submission.

  4. Use of Large Language Models, AI and Machine Learning Tools: None declared.

  5. Conflict of interest: The authors state no conflict of interest.

  6. Research funding: None declared.

  7. Data availability: The raw data can be obtained on request from the corresponding author.

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Received: 2024-02-29
Accepted: 2024-10-25
Published Online: 2024-12-06
Published in Print: 2025-08-26

© 2024 Walter de Gruyter GmbH, Berlin/Boston

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https://doi.org/10.1515/zpch-2024-0755
Keywords for this article
GdTeO3; SEM; XRD; optical; magnetic; electrochemical analysis

Articles in the same Issue

  1. Frontmatter
  2. Contributions to “Materials for solar water splitting”
  3. Synthesis and spectroscopic characterization with topology analysis, drug-likeness (ADMET), and molecular docking of novel antitumor molecule 5-Amino-3-(4-hydroxy-3-methoxyphenyl)-1-isonicotinoyl-2,3-dihydro-1H-pyrazole-4-carbonitrile
  4. Probing structural, surface morphological, optical, low temperature magnetic studies and electrochemical studies on gadolinium tellurite (GdTeO3)
  5. Nanostructured bismuth chloride based ((CH3NH3)3Bi2IxCl9-x) active layers for lead-free perovskite solar cells
  6. Structural, morphological and dielectric properties of Ni-doped ZnO nanoceramics prepared by Sol-gel method
  7. The impact of additives and dope composition on hollow fiber ultrafiltration membrane for pure water permeability
  8. Third-order nonlinear optical characteristics of natural dye anthocyanin extracted from Ixora coccinea
  9. Dimethylsulfoxide functionalized cadmium sulfide quantum dot for heavy metal ion detection
  10. Synthesis of functionalized mesoporous silica hybrid nanoparticles for controlled drug delivery under pH-stimuli
  11. Editorial
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