Enhancement of pyroelectricity in Mn-doped (011) 71Pb(Mg1/3Nb2/3)O3-6PbZrO3-23PbTiO3 single crystals
- Authors
- Thakre, A.[Thakre, A.]; Mun, S.[Mun, S.]; Sriboriboon, P.[Sriboriboon, P.]; Priya, S.[Priya, S.]; Kim, Y.[Kim, Y.]; Ryu, J.[Ryu, J.]
- Issue Date
- Oct-2021
- Publisher
- American Institute of Physics Inc.
- Citation
- Applied Physics Letters, v.119, no.15
- Indexed
- SCIE
SCOPUS
- Journal Title
- Applied Physics Letters
- Volume
- 119
- Number
- 15
- URI
- https://scholarworks.bwise.kr/skku/handle/2021.sw.skku/90882
- DOI
- 10.1063/5.0064776
- ISSN
- 0003-6951
- Abstract
- Single crystals of 71PMN-6PZ-23PT [71Pb(Mg1/3Nb2/3)O3-6PbZrO3-23PbTiO3] oriented along the thickness direction (011) with and without Mn doping were grown by a solid-state single-crystal growth method, and pyroelectric properties of the crystals were investigated. Though the pyroelectric coefficient of a Mn doped crystal is not significantly higher than the un-doped one at room temperature (RT), a large enhancement was observed after 0.7 mol. % Mn doping at high temperatures (>100 °C). Furthermore, the FoMs for practical applications at RT, the Mn doped crystal showed large enhancement as compared to the un-doped one. The presented single crystals also yielded excellent figure of merit (FoM) values for pyroelectricity: Fi, Fv, and FD were 3.5 × 10−10 m V−1, 0.02 m2 C−1, and 2.68 × 10−5Pa−1/2, respectively, at RT. The large pyroelectric response in the Mn-doped single crystal is attributed to the large ferroelectric polarization and low dielectric constant and dielectric loss. The demonstrated pyroelectric response in the Mn-doped 71PMN-6PZ-23PT single crystal shows that it exhibits excellent potential for various thermal sensor applications. © 2021 Author(s).
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Collections - Graduate School > Advanced Materials Science and Engineering > 1. Journal Articles
- Engineering > School of Advanced Materials Science and Engineering > 1. Journal Articles
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