2022
DOI: 10.3390/ma15124077
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Long-Term Isothermal Phase Transformation in Lead Zirconate

Abstract: Lead zirconate PbZrO3 has been the subject of research interest for several dozen years. Recently, even its antiferroelectric properties have started to be questioned, and many researchers still deal with the so-called intermediate phase below Curie temperature (TC), whose existence is not fully understood. It turns out that PbZrO3 doped with Nb exhibits below TC phases with complex domain structures. One of them undergoes self-organization taking place at a constant temperature, and transforms, after several … Show more

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Cited by 3 publications
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“…Experimentally, such an intermediate phase is sometimes stabilized for a narrow temperature range between the AFE and the cubic phase but still, the structure of the intermediate phase is not really fully known [24][25][26][27][28][29][30] . Depending on the crystal growth conditions, intrinsic or intentional chemical doping/defects may extend the temperature range in which the intermediate phase develops and/or causes the appearance of a second intermediate phase showing isothermal, i.e., time-dependent, transition process 13,31 .…”
Section: Introductionmentioning
confidence: 99%
“…Experimentally, such an intermediate phase is sometimes stabilized for a narrow temperature range between the AFE and the cubic phase but still, the structure of the intermediate phase is not really fully known [24][25][26][27][28][29][30] . Depending on the crystal growth conditions, intrinsic or intentional chemical doping/defects may extend the temperature range in which the intermediate phase develops and/or causes the appearance of a second intermediate phase showing isothermal, i.e., time-dependent, transition process 13,31 .…”
Section: Introductionmentioning
confidence: 99%
“…Experimentally, such an intermediate phase is sometimes stabilized for a narrow temperature range between the AFE and the cubic phase but still, the structure of the intermediate phase is not really fully known [24][25][26][27][28][29][30]. Depending on the crystal growth conditions, intrinsic or intentional chemical doping/defects may extend the temperature range in which the intermediate phase develops and/or causes the appearance of a second intermediate phase showing isothermal, i.e., timedependent, transition process [13,31]. A recent first-principles study by Xu et al suggested possible candidates for intermediate phases of PZO [32], including one consisting of a dynamical average between the rhombohedral ferroelectric R3c phase and antiferroelectric Pbam phases.…”
Section: Introductionmentioning
confidence: 99%