Improved dielectric and piezoelectric properties of Sm-doped Pb(Mg1/3Nb2/3)O3–Pb(Zn1/3Nb2/3)-PbTiO3 ternary ferroelectric ceramics

Jia, Hongrui; Mi, Jiahao; Li, Zhen; Wang, Linghang

doi:10.1016/j.ceramint.2022.02.013

Cited by 11 publications

(7 citation statements)

References 30 publications

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“…1C confirm a substantial decrease in the characteristic temperatures (gray area of the graph) alongside the enhanced relaxor disorder by Sm doping (green area of the graph). The results are consistent with a great number of recent reports on Sm-doped PMN-PT and PMN-PZN-PT ceramics [PZN is Pb(Zn 1/3 Nb 2/3 )O 3 ] ( 16 , 34 , 37 – 43 ). The same trend was observed in PMN-PT upon Eu doping ( 20 , 44 , 45 ).…”

Section: Resultssupporting

confidence: 93%

Origins of the large piezoelectric response of samarium-doped lead magnesium niobate–lead titanate ceramics

Arzenšek,

Toš,

Drnovšek

et al. 2024

Sci. Adv.

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The recent discovery of the large piezoelectric response of Pb(Mg 1/3 Nb 2/3 )O 3 -PbTiO 3 (PMN-PT) ceramics induced by samarium doping has provided a substantially improved functionality to the group of lead-based relaxor-ferroelectric materials. Different mechanisms have been so far proposed for the large piezoelectricity; however, the explanations are contradictory and focused on a unified description. Here, we use nonlinear harmonic piezoelectric measurements combined with multiscale structural analysis to clarify the origins of the ultrahigh piezoelectric response of samarium-doped PMN-PT. Our methodological approach allowed us to separate the multiple piezoelectric contributions, revealing their quantitative role in the total response. The results show that the ultrahigh piezoelectricity cannot be attributed to a single mechanism but is rather a complex combination of different contributions originating from the multiple effects of samarium doping on the long- and short-range structure of PMN-PT. The study offers a baseline for future engineering of the key material parameters affecting the large piezoelectric response of relaxor-ferroelectric ceramics.

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Section: Resultssupporting

confidence: 93%

Origins of the large piezoelectric response of samarium-doped lead magnesium niobate–lead titanate ceramics

Arzenšek,

Toš,

Drnovšek

et al. 2024

Sci. Adv.

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“…Further enhancement of the electrostrictive properties is possible by fine tuning the ceramic microstructure and adding doping elements. The ceramics can be a compelling alternative to lead‐based electrostrictive ceramics such as PZT and PZN–PT 43,44 …”

Section: Resultsmentioning

confidence: 99%

Sintering of large‐sized and near‐stoichiometric BNT ceramics with enhanced dielectric and electrostrictive properties

Guo,

Zhu,

Zhao

et al. 2024

J Am Ceram Soc.

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Sintering for large‐sized, stoichiometric Bi0.5Na0.5TiO3 (BNT) ceramics is of great challenge due to the loss of volatile Bi/Na at A‐site of perovskite structure. In this work, BNT ceramic tile with the size of ∼10 × 10 cm2 and near‐stoichiometric composition has been successfully fabricated by Isobam‐assisted gelcasting process, followed by sintering with 1150°C calcined power bed. The powder bed used and sintering duration were found to have a great influence on the formation of the Na‐deficient phase (Bi4.5Na0.5Ti4O15) in the ceramics, and the strategies to eliminate it have been explored. The obtained ceramics exhibit a dielectric constant/loss of 673.6/0.039 at 1 kHz, as well as an electrostrictive strain of ∼0.07% which corresponds to a converse piezoelectric constant of 105.2 pm/V. Our work thus provides an effective approach to prepare large‐sized and stoichiometric BNT ceramics.

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“…A composition with a high anisotropy (kt/kp) of the electromechanical coupling coefficient of piezoelectric materials is advantageous for transformers, filters, and resonators that operate in the thickness direction. Conventional piezoelectric Pb (Zr,Ti)O3 system ceramics have been widely used as the application devices such as piezoelectric actuators, piezoelectric transformers, ultrasonic transducers for ultrasonic physical therapy machines [9][10][11][12][13][14][15]. Particularly, ultrasonic transducers for nondestructive testing, and ultrasonic physical therapy machines require higher kp for further increasing an electromechanical conversion efficiency in case of using radial vibration mode.…”

Section: Preprintsmentioning

confidence: 99%

Electrical Properties of the Ultrasonic Transducer Device Using PbTiO3 system ceramics for Temporomandibular Joint Disorder Pain Relief and Facial Skin Massage

Yoo,

Whang

2024

Preprint

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In this study, in order to develop the composition ceramics for the application of ultrasonic transducer device for temporomandibular joint disorder pain relief and facial skin massage, Pb0.88(La0.6Sm 0.4)0.08(Mn 1/3 Sb 2/3)0.02 Ti 0.98 O3 ceramics were manufactured using CuO as sintering aids, and their piezoelectric ,and resonant properties were investigated. At the specimen sintered at 1200 [℃], the excellent values of piezoelectric properties appeared, respectively: the dielectric constant (εr) of 202, piezoelectric constant (d33) of 56[pC/N], first and third overtone electromechanical coupling factor kt of 0.548, kt3 of 0.219, and then first and third overtone mechanical quality factor Qmt1 of 345, Qmt3 of 292 were suitable for the device application such as ultrasonic transducer, respectively. When the length of one side was 7.7 mm, first and third overtone electromechanical coupling factor kt1 of 0.555, kt3 of, 0.196, and then first ,third overtone mechanical quality factor Qmt1 of 381, Qmt3 of 393 , and the first dynamic ratio(D.R) and third overtone dynamic ratio(D.R) of 63.7(dB),and 37.7(dB) were suitable for the device application such as ultrasonic transducer ,respectively .

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Improved dielectric and piezoelectric properties of Sm-doped Pb(Mg1/3Nb2/3)O3–Pb(Zn1/3Nb2/3)-PbTiO3 ternary ferroelectric ceramics

Cited by 11 publications

References 30 publications

Origins of the large piezoelectric response of samarium-doped lead magnesium niobate–lead titanate ceramics

Origins of the large piezoelectric response of samarium-doped lead magnesium niobate–lead titanate ceramics

Sintering of large‐sized and near‐stoichiometric BNT ceramics with enhanced dielectric and electrostrictive properties

Electrical Properties of the Ultrasonic Transducer Device Using PbTiO3 system ceramics for Temporomandibular Joint Disorder Pain Relief and Facial Skin Massage

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