Memory effect in [001] poled 0.92Pb (Zn13 Nb23) O3 -0.08 PbTiO3 single crystals

Mingrong Shen; Wenwu Cao

doi:10.1063/1.1922575

Memory effect in [001] poled 0.92Pb (Zn13 Nb23) O3 -0.08 PbTiO3 single crystals

Mingrong Shen, Wenwu Cao

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7 Scopus citations

Abstract

We have conducted dielectric and pyroelectric measurements in [001] poled rhombohedral phase 0.92Pb (Zn13 Nb23) O3 -0.08 PbTiO3 single crystals from room temperature to 250 °C. An interesting poling history dependence has been revealed from the experimental results. Compared with room-temperature poled samples, crystals poled via the field-cooling method have a much lower rhombohedral-to-tetragonal phase transition temperature and have enhanced spontaneous polarization while heating up to the tetragonal phase. Such phenomena may be explained by the memory effect of dipolar defect alignment in the sample poled by the field-cooling method.

Original language	English (US)
Article number	192909
Pages (from-to)	1-3
Number of pages	3
Journal	Applied Physics Letters
Volume	86
Issue number	19
DOIs	https://doi.org/10.1063/1.1922575
State	Published - May 9 2005

All Science Journal Classification (ASJC) codes

Physics and Astronomy (miscellaneous)

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10.1063/1.1922575

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title = "Memory effect in [001] poled 0.92Pb (Zn13 Nb23) O3 -0.08 PbTiO3 single crystals",

abstract = "We have conducted dielectric and pyroelectric measurements in [001] poled rhombohedral phase 0.92Pb (Zn13 Nb23) O3 -0.08 PbTiO3 single crystals from room temperature to 250 °C. An interesting poling history dependence has been revealed from the experimental results. Compared with room-temperature poled samples, crystals poled via the field-cooling method have a much lower rhombohedral-to-tetragonal phase transition temperature and have enhanced spontaneous polarization while heating up to the tetragonal phase. Such phenomena may be explained by the memory effect of dipolar defect alignment in the sample poled by the field-cooling method.",

author = "Mingrong Shen and Wenwu Cao",

note = "Funding Information: This research was sponsored by the NIH under Grant No. RR11795-05 and the Natural Science Foundation of China under Grant No. 10204016. ",

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T1 - Memory effect in [001] poled 0.92Pb (Zn13 Nb23) O3 -0.08 PbTiO3 single crystals

AU - Shen, Mingrong

AU - Cao, Wenwu

N1 - Funding Information: This research was sponsored by the NIH under Grant No. RR11795-05 and the Natural Science Foundation of China under Grant No. 10204016.

PY - 2005/5/9

Y1 - 2005/5/9

N2 - We have conducted dielectric and pyroelectric measurements in [001] poled rhombohedral phase 0.92Pb (Zn13 Nb23) O3 -0.08 PbTiO3 single crystals from room temperature to 250 °C. An interesting poling history dependence has been revealed from the experimental results. Compared with room-temperature poled samples, crystals poled via the field-cooling method have a much lower rhombohedral-to-tetragonal phase transition temperature and have enhanced spontaneous polarization while heating up to the tetragonal phase. Such phenomena may be explained by the memory effect of dipolar defect alignment in the sample poled by the field-cooling method.

AB - We have conducted dielectric and pyroelectric measurements in [001] poled rhombohedral phase 0.92Pb (Zn13 Nb23) O3 -0.08 PbTiO3 single crystals from room temperature to 250 °C. An interesting poling history dependence has been revealed from the experimental results. Compared with room-temperature poled samples, crystals poled via the field-cooling method have a much lower rhombohedral-to-tetragonal phase transition temperature and have enhanced spontaneous polarization while heating up to the tetragonal phase. Such phenomena may be explained by the memory effect of dipolar defect alignment in the sample poled by the field-cooling method.

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Memory effect in [001] poled 0.92Pb (Zn13 Nb23) O3 -0.08 PbTiO3 single crystals

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