2020
DOI: 10.1016/j.jpcs.2020.109534
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Structural, optical, and electrical transport properties of some rare-earth-doped nickel ferrites: A study on effect of ionic radii of dopants

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Cited by 55 publications
(27 citation statements)
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“…Therefore, the doping of larger ionic radii of La 3+ (1.05 Å) reduced the band energy gap and also varied the lattice constant of the crystal lattice. The basic reason of the reduction in the band energy gap is the loose bonding of electrons with the nucleus that reveal less amount of energy is needed to remove electron from the outermost shell due to addition of La 3+ ions [50].…”
Section: Optical Propertiesmentioning
confidence: 99%
“…Therefore, the doping of larger ionic radii of La 3+ (1.05 Å) reduced the band energy gap and also varied the lattice constant of the crystal lattice. The basic reason of the reduction in the band energy gap is the loose bonding of electrons with the nucleus that reveal less amount of energy is needed to remove electron from the outermost shell due to addition of La 3+ ions [50].…”
Section: Optical Propertiesmentioning
confidence: 99%
“…FT‐IR in the range of 400 to 1000 cm −1 for NFO‐1 and NFO‐2 are shown in Figure 6A,B. Absorption bands appear at 583 and 606 cm −1 for NFO‐1 and NFO‐2, respectively, inferring to stretching vibration of Fe 3+ –O bond at tetrahedral sites 31‐36 . Absorption bands presence in the spectral region 400 to 500 cm −1 in both the samples correspond to metal ion bonds at octahedral sites 32‐35,37 .…”
Section: Resultsmentioning
confidence: 95%
“…Absorption bands appear at 583 and 606 cm À1 for NFO-1 and NFO-2, respectively, inferring to stretching vibration of Fe 3+ -O bond at tetrahedral sites. [31][32][33][34][35][36] Absorption bands presence in the spectral region 400 to 500 cm À1 in both the samples correspond to metal ion bonds at octahedral sites. [32][33][34][35]37 FT-IR spectral region (1000-4000 cm À1 ) depicted in Figure 6, inset reveals two absorption bands of vibrations due to the absorbed water molecule.…”
Section: Raman Spectramentioning
confidence: 93%
“…Additionally, structural parameters, such as ionic radii, hopping length for the octahedral and tetrahedral site, tetrahedral and octahedral bond length, tetrahedral edge, and the shared and unshared octahedral edge, for prepared ZnFe 2 O 4 nanoparticles were assessed [ 29 , 30 ]. The variation in these parameters with sonication times of 25 min, 50 min, and 100 min was noticed, as mentioned in Table 1 and Table 2 .…”
Section: Resultsmentioning
confidence: 99%