Non-contact localized probing of ferroelectric phase transitions in Li+/Er3+:BaTiO3 ceramics using fluorescence abnormalities

Jiaming Li; Enwei Sun; Lingli Tang; Yuan Zhou; Leipeng Li; Jipeng Miao; Zhiguo Zhang; Wenwu Cao

doi:10.1063/1.5129900

Non-contact localized probing of ferroelectric phase transitions in Li⁺/Er³⁺:BaTiO₃ ceramics using fluorescence abnormalities

Jiaming Li, Enwei Sun, Lingli Tang, Yuan Zhou, Leipeng Li, Jipeng Miao, Zhiguo Zhang, Wenwu Cao

Research output: Contribution to journal › Article › peer-review

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Abstract

Fluorescence abnormalities associated with the ferroelectric phase transition of Li⁺/Er³⁺:BaTiO₃ (BLET) ceramics were studied based on photoluminescence (PL) spectra. Sharp changes were found in the integrated intensities, peak intensities, and fluorescence intensity ratios of both upconversion spectra (²H_11/2/⁴S_3/2-⁴I_15/2) and downconversion infrared spectra (⁴I_13/2-⁴I_15/2) around the ferroelectric-paraelectric phase transition temperature in BLET ceramics under the excitation of a 980 nm laser. All changes happened within the temperature interval of 126 °C-130 °C. The relative changing rate (R_CR) was adopted to quantitatively describe this structure-sensitive PL. For the system under study, the maximum R_CR occurs for the PL peak intensity at 542.7 nm.

Original language	English (US)
Article number	042901
Journal	Applied Physics Letters
Volume	116
Issue number	4
DOIs	https://doi.org/10.1063/1.5129900
State	Published - Jan 27 2020

All Science Journal Classification (ASJC) codes

Physics and Astronomy (miscellaneous)

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10.1063/1.5129900

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title = "Non-contact localized probing of ferroelectric phase transitions in Li+/Er3+:BaTiO3 ceramics using fluorescence abnormalities",

abstract = "Fluorescence abnormalities associated with the ferroelectric phase transition of Li+/Er3+:BaTiO3 (BLET) ceramics were studied based on photoluminescence (PL) spectra. Sharp changes were found in the integrated intensities, peak intensities, and fluorescence intensity ratios of both upconversion spectra (2H11/2/4S3/2-4I15/2) and downconversion infrared spectra (4I13/2-4I15/2) around the ferroelectric-paraelectric phase transition temperature in BLET ceramics under the excitation of a 980 nm laser. All changes happened within the temperature interval of 126 °C-130 °C. The relative changing rate (RCR) was adopted to quantitatively describe this structure-sensitive PL. For the system under study, the maximum RCR occurs for the PL peak intensity at 542.7 nm.",

author = "Jiaming Li and Enwei Sun and Lingli Tang and Yuan Zhou and Leipeng Li and Jipeng Miao and Zhiguo Zhang and Wenwu Cao",

note = "Funding Information: This research was supported in part by the National Key Basic Research Program of China under Grant No. 2013CB632900 and the NSFC under Grant No. 11304061. Publisher Copyright: {\textcopyright} 2020 Author(s).",

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doi = "10.1063/1.5129900",

language = "English (US)",

volume = "116",

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T1 - Non-contact localized probing of ferroelectric phase transitions in Li+/Er3+:BaTiO3 ceramics using fluorescence abnormalities

AU - Li, Jiaming

AU - Sun, Enwei

AU - Tang, Lingli

AU - Zhou, Yuan

AU - Li, Leipeng

AU - Miao, Jipeng

AU - Zhang, Zhiguo

AU - Cao, Wenwu

N1 - Funding Information: This research was supported in part by the National Key Basic Research Program of China under Grant No. 2013CB632900 and the NSFC under Grant No. 11304061. Publisher Copyright: © 2020 Author(s).

PY - 2020/1/27

Y1 - 2020/1/27

N2 - Fluorescence abnormalities associated with the ferroelectric phase transition of Li+/Er3+:BaTiO3 (BLET) ceramics were studied based on photoluminescence (PL) spectra. Sharp changes were found in the integrated intensities, peak intensities, and fluorescence intensity ratios of both upconversion spectra (2H11/2/4S3/2-4I15/2) and downconversion infrared spectra (4I13/2-4I15/2) around the ferroelectric-paraelectric phase transition temperature in BLET ceramics under the excitation of a 980 nm laser. All changes happened within the temperature interval of 126 °C-130 °C. The relative changing rate (RCR) was adopted to quantitatively describe this structure-sensitive PL. For the system under study, the maximum RCR occurs for the PL peak intensity at 542.7 nm.

AB - Fluorescence abnormalities associated with the ferroelectric phase transition of Li+/Er3+:BaTiO3 (BLET) ceramics were studied based on photoluminescence (PL) spectra. Sharp changes were found in the integrated intensities, peak intensities, and fluorescence intensity ratios of both upconversion spectra (2H11/2/4S3/2-4I15/2) and downconversion infrared spectra (4I13/2-4I15/2) around the ferroelectric-paraelectric phase transition temperature in BLET ceramics under the excitation of a 980 nm laser. All changes happened within the temperature interval of 126 °C-130 °C. The relative changing rate (RCR) was adopted to quantitatively describe this structure-sensitive PL. For the system under study, the maximum RCR occurs for the PL peak intensity at 542.7 nm.

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JF - Applied Physics Letters

IS - 4

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ER -

Non-contact localized probing of ferroelectric phase transitions in Li⁺/Er³⁺:BaTiO₃ ceramics using fluorescence abnormalities

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