Research Article

Dielectric Studies on Fe3O4 Nanodoped - -Alkyloxybenzoic Acids

Table 2

Subset values of relaxation time (Sec) with temperature variation at different frequencies for OBA.

PhasesRelaxation times (frequency (Hz)) (Sec)

Propyloxybenzoic acidsNanopropyloxybenzoic acids
Isotropic0.185 × 10−3 (8.69 × 102)0.191 × 10−4 (11.0 × 103)
Nematic0.116 × 10−4 (1.46 × 104)0.311 × 10−2 (8.69 × 102)

Butyloxybenzoic acidsNanobutyloxybenzoic acids
Nematic0.227 × 10−3 (1.15 × 103)

Pentyloxybenzoic acidsNanopentyloxybenzoic acids
Isotropic0.183 × 10−3 (8.69 × 102)0.192 × 10−3 (8.69 × 102)
Nematic0.116 × 10−4 (1.46 × 104)0.131 × 10−3 (1.21 × 102)

Hexyloxybenzoic acidsNanohexyloxybenzoic acids
Isotropic0.245 × 10−3 (8.69 × 102)0.100 × 10−2 (1.60 × 102)
Nematic0.251 × 10−3 (4.94 × 102)0.126 × 10−2 (1.60 × 102)

Heptyloxybenzoic acidsNanoheptyloxybenzoic acids
Isotropic0.562 × 10−3 (2.81 × 102)
Nematic0.125 × 10−2 (2.21 × 102)

Octyloxybenzoic acidsNanooctyloxybenzoic acids
Isotropic0.138 × 10−3 (2.02 × 103)0.308 × 10−3 (8.69 × 102)
Nematic0.227 × 10−3 (1.15 × 103)0.131 × 10−2 (1.21 × 102)
Smectic0.131 × 10−2 (1.21 × 102)0.130 × 10−2 (3.14 × 102)

Nonyloxybenzoic acidsNanononyloxybenzoic acids
Isotropic0.995 × 10−3 (1.60 × 102)0.563 × 10−3 (2.12 × 102)
Nematic0.131 × 10−2 (1.21 × 102)
Smectic

Decyloxybenzoic acidsNanodecyloxybenzoic acids
Isotropic0.398 × 10−3 (1.15 × 103)0.426 × 10−3 (3.73 × 102)
Nematic0.584 × 10−3 (2.81 × 102)0.312 × 10−3 (8.69 × 102)
Smectic0.186 × 10−3 (8.69 × 102)0.224 × 10−3 (1.53 × 103)

Dodecyloxybenzoic acidsNanododecyloxybenzoic acids
Isotropic0.988 × 10−3 (2.81 × 102)0.162 × 10−3 (2.68 × 103)
Nematic0.991 × 10−3 (2.81 × 102)0.160 × 10−3 (2.81 × 102)
Smectic0.098 × 10−2 (6.55 × 102)0.520 × 10−3 (2.68 × 103)