X-ray, SEM, and DSC studies of ferroelectric Pb1−X Ba X TiO3 ceramics

Roy, M.; Dave, Praniti; Barbar, S. K.; Jangid, S.; Phase, D. M.; Awasthi, A. M.

doi:10.1007/s10973-009-0422-8

Cited by 20 publications

(5 citation statements)

References 22 publications

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“…Thermal analysis techniques were used to characterize various phase transitions and other properties in lead-containing and lead-free antiferroelectric and ferroelectric perovskites [20][21][22][23][24][25][26][27][28].…”

Section: Introductionmentioning

confidence: 99%

Thermal analysis of phase transitions in perovskite electroceramics

Young

Guo

et al. 2013

J Therm Anal Calorim

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Perovskite oxide ceramics have found wide applications in energy storage capacitors, electromechanical transducers, and infrared imaging devices due to their unique dielectric, piezoelectric, pyroelectric, and ferroelectric properties. These functional properties are intimately related to the complex displacive phase transitions that readily occur. In this study, these solid-solid phase transitions are characterized with dielectric measurements, dynamic mechanical analysis, thermomechanical analysis, and differential scanning calorimetry in an antiferroelectric lead-containing composition, Pb0.99Nb0.02 [(Zr0.57Sn0.43)0.92Ti0.08]0.98O3, and in a relaxor ferrielectric lead-free composition, (Bi1/ 2Na1/2)0.93Ba0.07TiO3. The (Bi1/2Na1/2)0.93Ba0.07TiO3 ceramic develops strong piezoelectricity through electric field-induced phase transitions during the poling process. The combined thermal analysis techniques clearly reveal the differences in unpoled and poled ceramics.

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Section: Introductionmentioning

confidence: 99%

Thermal analysis of phase transitions in perovskite electroceramics

Young

Guo

et al. 2013

J Therm Anal Calorim

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“…The shift in Tc value from 841 K to 550 K is consistent with our dielectric result. It is surprising that the heat capacity curve does not show any anomaly/transition around 550 K. This change in Tc for Ba-substituted compound may be due ISRN Ceramics 5 to the difference in ionic radii of Pb 2+ and Ba 2+ as discussed in our earlier papers [21][22][23] …”

Section: Resultsmentioning

confidence: 78%

Synthesis, Structural, Electrical, and Thermal Studies of ( and ) Ferroelectric Ceramics

Barbar

Roy

2012

ISRN Ceramics

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The polycrystalline ceramic samples of lead barium niobate with general formula Pb 1−x Ba x Nb 2 O 6 (x = 0.0 and 0.4) were prepared by conventional solid state reaction method. The room temperature X-ray diffraction patterns reveal that both of the samples have orthorhombic crystal structure with space group Cm2m. The dielectric constant and dissipation factor were measured as a function of frequency (100 Hz-2 MHz) and temperature (RT-660K). The DC electrical conductivity of both the samples was measured from RT to 660 K. The activation energies calculated from log σ versus 1000/T curves in ferroelectric phase of the compounds are 1.09 eV for pure (x = 0.0) sample and 1.36 eV for Ba-substituted (x = 0.4) sample. The values of activation energies show that the substitution of Ba 2+ ion on Pb 2+ ion site increases the resistivity of pure PbNb 2 O 6 (x = 0.0) ceramic. The modulated differential scanning calorimetry (MDSC) has been used to investigate the phase transition temperature of both the compounds and also to see the effect of Ba 2+ ion substitution on the phase transition temperature, specific heat, and other thermal parameters of the compound.

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“…Perovskite and ilmenite oxides which are the structure of ABO 3 , represent a prominent of advanced compounds involved in many areas of science and technology [5][6][7]. Several titanates are also known to be promising host matrices.…”

Section: Introductionmentioning

confidence: 99%

Synthesis and characterization of new phosphor based MTiO3

DAYAN

2015

Journal of Nuclear Sciences

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Jo u r nal h o m e p age: h t t p : / / j n s . a n k a r a . e d u . t r /DOI ABSTRACTIn this study, new titanate phosphors were synthesized. The Dy 3+ , Eu 3+ , Ho 3+ rare-earth ions were used as dopants to CaTiO 3 , SrTiO 3 , and BaTiO 3 host crystals. The optimization of reaction conditions were carried out by thermogravimetry (TG) and differential thermal analysis (DTA) methods. The mixtures to achieve a solid state reaction were heated in porcelain crucibles for preheating process at 600 o C and 800 o C and final heating process at 1000 o C for 16 hours in the open atmosphere. The reaction products were characterized by X-ray powder diffractions (XRD). Surface investigations and elemental analysis were determined by using SEM-EDX instrument. Photoluminescence spectrophotometer (PL) was used for the observation of the excitation and emission spectra.

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X-ray, SEM, and DSC studies of ferroelectric Pb1−X Ba X TiO3 ceramics

Cited by 20 publications

References 22 publications

Thermal analysis of phase transitions in perovskite electroceramics

Thermal analysis of phase transitions in perovskite electroceramics

Synthesis, Structural, Electrical, and Thermal Studies of ( and ) Ferroelectric Ceramics

Synthesis and characterization of new phosphor based MTiO3

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