1999
DOI: 10.1016/s0038-1098(99)00153-2
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Perovskite CaTiO3 as an incipient ferroelectric

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Cited by 297 publications
(166 citation statements)
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“…As shown in Fig. 2(a), the c-axis dielectric permittivity ε c (T) of BaFe 12 O 19 increases steadily with decreasing temperature and remains nearly constant below ~ 5.5 K. This saturation behavior in dielectric permittivity resembles well that of quantum paraelectrics such as SrTiO 3 [19], CaTiO 3 [20], and KTaO 3 [21], where the onset of ferroelectric order is suppressed by quantum fluctuations. While the Curie-Weiss law describes well the paraelectric ε (T) at high temperatures, it fails in the region of a quantum paraelectric state.…”
mentioning
confidence: 61%
“…As shown in Fig. 2(a), the c-axis dielectric permittivity ε c (T) of BaFe 12 O 19 increases steadily with decreasing temperature and remains nearly constant below ~ 5.5 K. This saturation behavior in dielectric permittivity resembles well that of quantum paraelectrics such as SrTiO 3 [19], CaTiO 3 [20], and KTaO 3 [21], where the onset of ferroelectric order is suppressed by quantum fluctuations. While the Curie-Weiss law describes well the paraelectric ε (T) at high temperatures, it fails in the region of a quantum paraelectric state.…”
mentioning
confidence: 61%
“…However, CaTiO 3 has a ferroelectric soft mode as manifested by a high dielectric constant at low temperature 13 and later first principles calculations…”
mentioning
confidence: 91%
“…В этом ряду классические перовскиты CaTiO 3 и PbTiO 3 являются удобными объектами ис-следований, поскольку допускают формирование твер-дых растворов в большом интервале концентраций Ca−Pb. Крайние области фазовой диаграммы системы Ca 1−x Pb x TiO 3 (СРТ) подробно изучены с применением структурных, импедансометрических и спектроскопиче-ских методов [1][2][3][4][5]. В работе [6] методом субмилли-метровой и инфракрасной спектроскопии исследованы поведение мягких полярных мод и фазовые переходы в керамике СРТ с содержанием Pb до 40%, а так-же подробно рассмотрены корреляции представлений и симметрийных типов для крайних составов CaTiO 3 и PbTiO 3 .…”
Section: Introductionunclassified