Phase Transitions in Solid Solutions of PbZrO_3 and PbTiO_3 (I) Small Concentrations of PbTiO_3
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概要
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The dielectric, calorimetric and dilatometric measurements have been made on the solid solutions Pb(Zr-Ti)O_3 which contain small amounts of PbTiO_3 less than 10%. Besides the ordinary Curie point near 220℃, the existence of atlother transition, for example 140℃ in Pb(Zr95-Ti5)O_3, was confirmed. It seems reasonable to interpret these two transitions as phase changes from paraelectric state to ferroelectric one and further to antiferroelectric one. Whereas the upper transition temperature is nearly constant for these concentrations, the lower transition temperature increases with decreasing Ti concentration and both temperatures seem to coincide at pure PbZrO_3. These results suggest that PbZrO_3 may be antiferroelectric below its Curie point 220℃.
- 社団法人日本物理学会の論文
- 1952-02-25
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関連論文
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- Phase Transitions in Solid Solutions of PbZrO_3 and PbTiO_3 (I) Small Concentrations of PbTiO_3