Structural and optical features of aluminum lead borate glass doped with Fe2O3

Fe 2 O 3 -doped aluminum lead borate glass was synthesized using the melt-quenching technique with a chemical compositional of 55B 2 O 3 -30Pb 3 O 4 - 15 - x Al 2 O 3− x Fe 2 O 3 , where x 0 ≤ x ≤ 5 . X-ray diffraction was used to confirm the nature of this glass. The structural, optical, and dielec...

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Bibliographic Details
Published in:Applied physics. A, Materials science & processing Materials science & processing, 2021-12, Vol.127 (12), Article 956
Main Authors: Abdel Wahab, E. A., Shaaban, Kh. S.
Format: Article
Language:English
Subjects:
Absorptivity
Aluminum oxide
Applied physics
Characterization and Evaluation of Materials
Condensed Matter Physics
Dielectric properties
Energy bands
Energy gap
Machines
Manufacturing
Materials science
Nanotechnology
Optical and Electronic Materials
Optical properties
Physical properties
Physics
Physics and Astronomy
Processes
Refractivity
Slopes
Surfaces and Interfaces
Thin Films
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Summary:Fe 2 O 3 -doped aluminum lead borate glass was synthesized using the melt-quenching technique with a chemical compositional of 55B 2 O 3 -30Pb 3 O 4 - 15 - x Al 2 O 3− x Fe 2 O 3 , where x 0 ≤ x ≤ 5 . X-ray diffraction was used to confirm the nature of this glass. The structural, optical, and dielectric properties of the glass were investigated. Transmittance and absorbance measurements were developed to establish and investigate the optical characteristics of these samples. The fundamental absorption edge shifted toward lower photon energy concerning the concentration of Fe 2 O 3 . The absorption coefficient, optical band gap, Urbach tail, steepness, and skin depth of the glass were estimated and discussed. The obtained result revealed that an indirect optical energy band gap E g was decreased from 2.67 to 2.04 eV; meanwhile, it decreased from 3 to 2.31 eV in a direct transition. While the Urbach energy E u was increased from 0.21 to 0.36 electron Volt. The extinction coefficient, refractive index, and optical and electrical conductivities of the glass were discussed as functions of Fe 2 O 3 content. The real and imaginary parts of the dielectric constant were examined. Further physical constants like λ cut-off , tan δ , molar reflectivity, molar polarizability, and others were investigated.
ISSN:0947-8396
1432-0630
DOI:10.1007/s00339-021-05062-y