Enhanced piezoelectric properties of Na,Ce co-doped Bi4Ti2.86W0.14O12 high temperature piezoceramics

• Autorzy: Zhang Zhipeng , Shen Zong-Yang , Qin Chen , Song Fusheng , Luo Wenqin , Wang Zhumei , Li Yueming

Warianty tytułu

PL

Polepszone właściwości piezoelektryczne wysokotemperaturowej piezoceramiki Bi4Ti2,86W0,14O12 współdomieszkowanej Na i Ce

• Języki publikacji: EN

Abstrakty

EN

Sodium and cerium co-doped Bi4Ti2.86W0.14O12 ceramics abided by the formula (Na0.5Ce0.5)xBi4-xTi2.86W0.14O12 (abbreviated as NC100x-BITW, x = 0-0.12) were prepared by solid state reaction method. The effect of (Na0.5Ce0.5) addition on the structure and electrical properties of the ceramics was investigated. XRD results indicated that the NC100x-BITW ceramics possess a pure three-layer Aurivillius-type structure. (Na0.5Ce0.5) addition first increases and then decreases the grain size which can be observed by scanning electron microscopy. With the increase of (Na0.5Ce0.5) addition, the Curie temperature (Tc) was gradually decreased from 632 C to 595 C. The piezoelectric properties can be enhanced while the dielectric loss decreased after (Na0.5Ce0.5) addition, and the optimal properties were obtained as follows when x = 0.06: d33 = 21.1 pC/N, kp = 7.2%, Qm = 4978, εr =147 (@100 kHz), tanδ = 0.27% (@100 kHz), Tc =614 C and resistivity of 4.3•108 Ω•cm at 500 C, suitable for high temperature sensing applications.

PL

Ceramikę Bi4Ti2.86W0.14O12 domieszkowaną sodem i cerem wytworzono zgodnie ze wzorem (Na0.5Ce0.5)xBi4-xTi2.86W0.14O12 (w skrócie NC100x-BITW, x = 0-0,12) metodą reakcji w fazie stałej. Zbadano wpływ dodatku (Na0,5Ce0,5) na budowę i właściwości elektryczne ceramiki. Wyniki XRD wykazały, że ceramika NC100x-BITW ma czystą, trójwarstwową strukturę typu Aurivilliusa. Dodanie (Na0,5Ce0,5) najpierw zwiększa, a następnie zmniejsza rozmiar ziarna, co można zaobserwować za pomocą skaningowej mikroskopii elektronowej. Wraz ze wzrostem dodatku (Na0,5Ce0,5) temperatura Curie (Tc) stopniowo obniżała się z 632 C do 595 C. Właściwości piezoelektryczne można poprawić, podczas gdy stratę dielektryczną zmniejszyć po dodaniu (Na0,5Ce0,5) i następujące optymalne właściwości uzyskano, gdy x = 0,06: d33 = 21,1 pC/N, kp = 7,2%, Qm = 4978, εr = 147 (@ 100 kHz), tgδ = 0,27% (@ 100 kHz), Tc = 614 C i rezystywność 4,3•108 Ω•cm przy 500 C, odpowiednie do zastosowań z czujnikami wysokotemperaturowymi.

Słowa kluczowe

EN

high temperature ceramics; piezoelectric properties; bismuth layered structure; Bi4Ti3O12

PL

ceramika wysokotemperaturowa; właściwości piezoelektryczne; bizmutowa struktura warstwowa; Bi4Ti3O12

• Wydawca: Polskie Towarzystwo Ceramiczne
• Czasopismo: Materiały Ceramiczne
• Rocznik: 2019
• Tom: T. 71, nr 4
• Strony: 350--355
• Opis fizyczny: Bibliogr. 28 poz., rys., tab.

Twórcy

autor

Zhang Zhipeng

• Energy Storage and Conversion Ceramic Materials Engineering Laboratory of Jiangxi Province, China National Light Industry Key Laboratory of Functional Ceramic Materials, School of Materials Science and Engineering, Jingdezhen Ceramic Institute, Jingdezhen 333403, China

autor

Shen Zong-Yang

• Energy Storage and Conversion Ceramic Materials Engineering Laboratory of Jiangxi Province, China National Light Industry Key Laboratory of Functional Ceramic Materials, School of Materials Science and Engineering, Jingdezhen Ceramic Institute, Jingdezhen 333403, China

autor

Qin Chen

• Energy Storage and Conversion Ceramic Materials Engineering Laboratory of Jiangxi Province, China National Light Industry Key Laboratory of Functional Ceramic Materials, School of Materials Science and Engineering, Jingdezhen Ceramic Institute, Jingdezhen 333403, China

autor

Song Fusheng

• Energy Storage and Conversion Ceramic Materials Engineering Laboratory of Jiangxi Province, China National Light Industry Key Laboratory of Functional Ceramic Materials, School of Materials Science and Engineering, Jingdezhen Ceramic Institute, Jingdezhen 333403, China

autor

Luo Wenqin

• Energy Storage and Conversion Ceramic Materials Engineering Laboratory of Jiangxi Province, China National Light Industry Key Laboratory of Functional Ceramic Materials, School of Materials Science and Engineering, Jingdezhen Ceramic Institute, Jingdezhen 333403, China

autor

Wang Zhumei

• Energy Storage and Conversion Ceramic Materials Engineering Laboratory of Jiangxi Province, China National Light Industry Key Laboratory of Functional Ceramic Materials, School of Materials Science and Engineering, Jingdezhen Ceramic Institute, Jingdezhen 333403, China

autor

Li Yueming

• Energy Storage and Conversion Ceramic Materials Engineering Laboratory of Jiangxi Province, China National Light Industry Key Laboratory of Functional Ceramic Materials, School of Materials Science and Engineering, Jingdezhen Ceramic Institute, Jingdezhen 333403, China

Bibliografia

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Uwagi

PL

Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2020).