The elastic and piezoelectric properties of tungsten bronze ferroelectric crystals (Sr 0.7Ba 0.3) 2 NaNb 5O 15 and (Sr 0.3Ba 0.7) 2 NaNb 5O 15

Wenhua Jiang; Wenwu Cao; Xiujie Yi; Huanchu Chen

doi:10.1063/1.1881777

The elastic and piezoelectric properties of tungsten bronze ferroelectric crystals (Sr _0.7Ba _0.3) ₂ NaNb ₅O ₁₅ and (Sr _0.3Ba _0.7) ₂ NaNb ₅O ₁₅

Wenhua Jiang, Wenwu Cao, Xiujie Yi, Huanchu Chen

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

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Abstract

The elastic and piezoelectric constants of tungsten bronze ferroelectric crystals (Sr0.7 Ba0.3) 2 NaNb5 O15 (SBNN70) and (Sr0.3 Ba0.7) 2 NaNb5 O15 (SBNN30) are determined by using the ultrasonic and resonance methods. The measured results show that these single crystals have larger dielectric constant and good piezoelectric property compared to other known lead-free perovskite ferroelectric crystals. The measurements show that the SBNN70 has larger dielectric and piezoelectric constants than SBNN30 since the former is near the morphotropic phase boundary composition. Our results confirmed that the SBNN single-crystal system is another good candidate as lead-free piezoelectric and dielectric materials.

Original language	English (US)
Article number	094106
Journal	Journal of Applied Physics
Volume	97
Issue number	9
DOIs	https://doi.org/10.1063/1.1881777
State	Published - May 1 2005

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General Physics and Astronomy

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title = "The elastic and piezoelectric properties of tungsten bronze ferroelectric crystals (Sr 0.7Ba 0.3) 2 NaNb 5O 15 and (Sr 0.3Ba 0.7) 2 NaNb 5O 15 ",

abstract = "The elastic and piezoelectric constants of tungsten bronze ferroelectric crystals (Sr0.7 Ba0.3) 2 NaNb5 O15 (SBNN70) and (Sr0.3 Ba0.7) 2 NaNb5 O15 (SBNN30) are determined by using the ultrasonic and resonance methods. The measured results show that these single crystals have larger dielectric constant and good piezoelectric property compared to other known lead-free perovskite ferroelectric crystals. The measurements show that the SBNN70 has larger dielectric and piezoelectric constants than SBNN30 since the former is near the morphotropic phase boundary composition. Our results confirmed that the SBNN single-crystal system is another good candidate as lead-free piezoelectric and dielectric materials.",

author = "Wenhua Jiang and Wenwu Cao and Xiujie Yi and Huanchu Chen",

note = "Funding Information: This work was supported by the Research Grants Council of Hong Kong Joint Research Scheme (Project No. N_CityU 014∕01) and the National Natural Science Foundation of China Grant No. 50131160737.",

year = "2005",

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doi = "10.1063/1.1881777",

language = "English (US)",

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T1 - The elastic and piezoelectric properties of tungsten bronze ferroelectric crystals (Sr 0.7Ba 0.3) 2 NaNb 5O 15 and (Sr 0.3Ba 0.7) 2 NaNb 5O 15

AU - Jiang, Wenhua

AU - Cao, Wenwu

AU - Yi, Xiujie

AU - Chen, Huanchu

N1 - Funding Information: This work was supported by the Research Grants Council of Hong Kong Joint Research Scheme (Project No. N_CityU 014∕01) and the National Natural Science Foundation of China Grant No. 50131160737.

PY - 2005/5/1

Y1 - 2005/5/1

N2 - The elastic and piezoelectric constants of tungsten bronze ferroelectric crystals (Sr0.7 Ba0.3) 2 NaNb5 O15 (SBNN70) and (Sr0.3 Ba0.7) 2 NaNb5 O15 (SBNN30) are determined by using the ultrasonic and resonance methods. The measured results show that these single crystals have larger dielectric constant and good piezoelectric property compared to other known lead-free perovskite ferroelectric crystals. The measurements show that the SBNN70 has larger dielectric and piezoelectric constants than SBNN30 since the former is near the morphotropic phase boundary composition. Our results confirmed that the SBNN single-crystal system is another good candidate as lead-free piezoelectric and dielectric materials.

AB - The elastic and piezoelectric constants of tungsten bronze ferroelectric crystals (Sr0.7 Ba0.3) 2 NaNb5 O15 (SBNN70) and (Sr0.3 Ba0.7) 2 NaNb5 O15 (SBNN30) are determined by using the ultrasonic and resonance methods. The measured results show that these single crystals have larger dielectric constant and good piezoelectric property compared to other known lead-free perovskite ferroelectric crystals. The measurements show that the SBNN70 has larger dielectric and piezoelectric constants than SBNN30 since the former is near the morphotropic phase boundary composition. Our results confirmed that the SBNN single-crystal system is another good candidate as lead-free piezoelectric and dielectric materials.

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The elastic and piezoelectric properties of tungsten bronze ferroelectric crystals (Sr _0.7Ba _0.3) ₂ NaNb ₅O ₁₅ and (Sr _0.3Ba _0.7) ₂ NaNb ₅O ₁₅

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