2015
DOI: 10.1016/j.jpcs.2015.07.007
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Refractive index, band gap energy, dielectric constant and polarizability calculations of ferroelectric Ethylenediaminium Tetrachlorozincate crystal

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Cited by 34 publications
(7 citation statements)
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“…[12] estimated the bandgap of 3.8 eV for BLBO using diffuse reflectance spectra and analysis employing the Tauc method. [ 29–32 ] The method is based on absorption data relative to the wavelength and is ideal for films or single crystals requiring a very smooth reflective surface or possibly a transmission measurement. [ 33 ] However, due to the poly‐crystalline nature and small quantity of materials, this technique is not usually an ideal method and is often subject to high uncertainty for electronic bandgap measurements.…”
Section: Resultsmentioning
confidence: 99%
“…[12] estimated the bandgap of 3.8 eV for BLBO using diffuse reflectance spectra and analysis employing the Tauc method. [ 29–32 ] The method is based on absorption data relative to the wavelength and is ideal for films or single crystals requiring a very smooth reflective surface or possibly a transmission measurement. [ 33 ] However, due to the poly‐crystalline nature and small quantity of materials, this technique is not usually an ideal method and is often subject to high uncertainty for electronic bandgap measurements.…”
Section: Resultsmentioning
confidence: 99%
“…Unfortunately, there is no available data for Na 4.2 Ca 2.8 (Si 6 O 18 ). The dependence of E g with the dielectric constant ε is not totally understood, where several relationships have been previously found [ 43 , 44 , 45 ]. The shape of the experimental or theoretical expression depends, among others, on the type of materials.…”
Section: Resultsmentioning
confidence: 99%
“…It has been observed from Fig. 12 that the values of α monotonically decrease with increase of λ for all the as-deposited samples while absorption is found to be absent in the visible region which predicts the insulating nature of the films [56]. It also be Table 4.…”
Section: Optical Band Gaps and Band Edge Sharpness Determinationmentioning
confidence: 74%