Piezoelectricity in (K,Na)NbO3 based ceramics

Cheol Woo Ahn; Chee Sung Park; Sahn Nahm; Shashank Priya

Piezoelectricity in (K,Na)NbO₃ based ceramics

Cheol Woo Ahn
, Chee Sung Park
, Sahn Nahm
, Shashank Priya

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

In this manuscript, we report the variation of piezoelectric constant (d₃₃) at room temperature in (K_0.5Na_0.5) NbO₃ (KNN) based ceramics. Phase fraction and orthorhombic to tetragonal phase transition temperature (T_O-T) were found to be the controlling variables of piezoelectricity. Using the model system of (1-x)K _0.48Na_0.48Li_0.04)NbO₃-xBaTiO ₃ [(1-x)KNLN-xBT] and 0.99(K_0.48Na_0.48Li _0.04)(Nb_1-ySb_y)O₃-0.01BaTiO ₃ (KNLN_1-yS_y-BT), it is shown that maximum d₃₃ magnitude for KNN based polycrystalline ceramics is approximately 300 pC/N at room temperature.

Original language	English (US)
Title of host publication	Advances in Electronic Ceramics II - A Collection of Papers Presented at the 33rd International Conference on Advanced Ceramics and Composites
Pages	17-23
Number of pages	7
Edition	9
State	Published - 2010
Externally published	Yes
Event	Advances in Electronic Ceramics II - 33rd International Conference on Advanced Ceramics and Composites - Daytona Beach, FL, United States Duration: Jan 18 2009 → Jan 23 2009

Publication series

Name	Ceramic Engineering and Science Proceedings
Number	9
Volume	30
ISSN (Print)	0196-6219

Conference

Conference	Advances in Electronic Ceramics II - 33rd International Conference on Advanced Ceramics and Composites
Country/Territory	United States
City	Daytona Beach, FL
Period	1/18/09 → 1/23/09

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Piezoelectricity in (K,Na)NbO₃ based ceramics. / Ahn, Cheol Woo; Park, Chee Sung; Nahm, Sahn et al.
Advances in Electronic Ceramics II - A Collection of Papers Presented at the 33rd International Conference on Advanced Ceramics and Composites. 9. ed. 2010. p. 17-23 (Ceramic Engineering and Science Proceedings; Vol. 30, No. 9).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Ahn, CW, Park, CS, Nahm, S & Priya, S 2010, Piezoelectricity in (K,Na)NbO₃ based ceramics. in Advances in Electronic Ceramics II - A Collection of Papers Presented at the 33rd International Conference on Advanced Ceramics and Composites. 9 edn, Ceramic Engineering and Science Proceedings, no. 9, vol. 30, pp. 17-23, Advances in Electronic Ceramics II - 33rd International Conference on Advanced Ceramics and Composites, Daytona Beach, FL, United States, 1/18/09.

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abstract = "In this manuscript, we report the variation of piezoelectric constant (d33) at room temperature in (K0.5Na0.5) NbO3 (KNN) based ceramics. Phase fraction and orthorhombic to tetragonal phase transition temperature (TO-T) were found to be the controlling variables of piezoelectricity. Using the model system of (1-x)K 0.48Na0.48Li0.04)NbO3-xBaTiO 3 [(1-x)KNLN-xBT] and 0.99(K0.48Na0.48Li 0.04)(Nb1-ySby)O3-0.01BaTiO 3 (KNLN1-ySy-BT), it is shown that maximum d33 magnitude for KNN based polycrystalline ceramics is approximately 300 pC/N at room temperature.",

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AB - In this manuscript, we report the variation of piezoelectric constant (d33) at room temperature in (K0.5Na0.5) NbO3 (KNN) based ceramics. Phase fraction and orthorhombic to tetragonal phase transition temperature (TO-T) were found to be the controlling variables of piezoelectricity. Using the model system of (1-x)K 0.48Na0.48Li0.04)NbO3-xBaTiO 3 [(1-x)KNLN-xBT] and 0.99(K0.48Na0.48Li 0.04)(Nb1-ySby)O3-0.01BaTiO 3 (KNLN1-ySy-BT), it is shown that maximum d33 magnitude for KNN based polycrystalline ceramics is approximately 300 pC/N at room temperature.

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