2015
DOI: 10.1007/s10854-015-3450-0
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Effect of Tb, Ti co-doping on the electrical and magnetic properties of (Bi, La)FeO3 multiferroic ceramics

Abstract: Polycrystalline samples of Bi 0.6 Tb 0.1 La 0.3 Fe 0.7 Ti 0.3 O 3 hereby designated as (BTbLFT) was prepared by using a solid state reaction technique and their structural, magnetic, and electric property were investigated. X-ray diffraction analysis indicated that all the samples maintained original R3c space group. The XRD patterns of the samples at room temperature showed perovskite phase with hexagonal structure at room temperature. The plots of Z 00 and M 00 versus frequency at various temperatures show p… Show more

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Cited by 11 publications
(3 citation statements)
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References 22 publications
(25 reference statements)
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“…¼ 1/2f ( f is the relaxation frequency). We found double semi circular arcs in the complex modulus plots, a small semicircle at the high-frequency area and a large semi-circular arc at the 33, 34 The value of FWHM calculated by the normalized spectrum is greater than log 2þ p 3 2À p 3 , and this indicates about behavior of non-Debye type which is well supported by complex impedance plot. The peaks shift and broadening were found at higher frequencies with increasing temperature.…”
Section: Resultssupporting
confidence: 65%
“…¼ 1/2f ( f is the relaxation frequency). We found double semi circular arcs in the complex modulus plots, a small semicircle at the high-frequency area and a large semi-circular arc at the 33, 34 The value of FWHM calculated by the normalized spectrum is greater than log 2þ p 3 2À p 3 , and this indicates about behavior of non-Debye type which is well supported by complex impedance plot. The peaks shift and broadening were found at higher frequencies with increasing temperature.…”
Section: Resultssupporting
confidence: 65%
“…Moreover, the magnetic, dielectric, and ferroelectric properties can be enhanced with co-doping. For the co-doping of A- and B-sites of BFO, La-Gd, Ba-Ni, Dy-Cr, Y-Mn, and Tb-Ti have been reported [1620]. Until now, various routes including sol-gel [21], mechanochemical [22], auto-combustion [23], pulsed laser deposition [24] , and hydrothermal [25, 26] have been reported to prepare BFO.…”
Section: Introductionmentioning
confidence: 99%
“…Figure 7 shows the variation of log σ ac (s/m) vs 10 3 /T (K –1 ) of the ceramics for x = 0.05, 0.10 and 0.15 at 0.1, 1, 10 and 100 kHz frequencies. The ac electrical conductivity was calculated using the formula σ = ωϵϵ o tan δ , where ϵ o is the vacuum dielectric constant, ω is the angular frequency and k B is the Boltzmann constant [18]. The values of E a for ceramics are given in Table 2.The composition Ba 1- x Mg x TiO 3 have E a , E a x = 0.15 = 0.691>, E a x = 0.10 = 0.108>, E a x = 0.05 = 0.104 at 100 kHz frequency.…”
Section: Resultsmentioning
confidence: 99%