Dielectric and electrical studies of Pr3+ doped nano CaSiO3 perovskite ceramics

The investigation of dielectric properties and ac conductivity of new ceramic diphosphate Ag 0.6 Na 0.4 FeP 2 O 7 using impedance spectroscopy method

“…The high-frequency region above peak maximum, the carriers is confined to potential wells being mobile on short distances and accordingly could be made to have localized motion within the well. This region of the peak therefore is indicative of the transition from long range dominated to short range mobility [25].…”

Effect of exceeding the concentration limit of solubility of silver in perovskites on the dielectric and electric properties of half doped lanthanum–calcium manganite

“…These phenomena could explain the decrease of İ' with frequency. The high value of İ' at lower frequencies may be also attributed to the presence of space charge produced due to electrode-sample contact and interface between the grains and their boundaries [52]. The highest value of İ' can be attributed to the grain size effect [53].…”

Effect of submicron admixtures on mechanical and self‐healing properties of cement‐based composites

“…This absorption band is attributed to -OH stretching vibration due to ambient water absorbance because the latter show increased hydrophilicity compared with the originally synthesized SAPs. 28 Moreover, the characteristic peaks assigned to amorphous Si-O-Si absorbance vibrations from 750 to 1170 cm −1 and to Si-OH deformation vibration from 1020 to 1040 cm −1 are present in the corresponding spectra, 27,29,30 while peaks at 445 and 802 cm −1 are attributed to structures calcium silicon oxides such as CaSiO 3 . 29 In Figure 6, the TGA diagrams of P(MAANa-co-EGDMA)@SiO 2 and P(MAANa-co-EGDMA)@CaO-SiO 2 are illustrated, respectively.…”