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Large piezoresponse of lead-free Bi 0.5(Na 0.85K 0.15) 0.5TiO 3 thin film

Title
Large piezoresponse of lead-free Bi 0.5(Na 0.85K 0.15) 0.5TiO 3 thin film
Authors
Ahn C.W.Won S.S.Ullah A.Lee S.Y.Lee S.D.Lee J.H.Jo W.Kim I.W.
Ewha Authors
조윌렴
SCOPUS Author ID
조윌렴scopus
Issue Date
2012
Journal Title
Current Applied Physics
ISSN
1567-1739JCR Link
Citation
vol. 12, no. 3, pp. 903 - 907
Indexed
SCI; SCIE; SCOPUS; KCI WOS scopus
Abstract
0.85Bi 0.5Na 0.5TiO 3-0.15Bi 0.5K 0.5TiO 3 (BNKT15) lead-free thin films were prepared on Pt(111)/TiO 2/SiO 2/Si(100) substrates by the chemical solution deposition method. BNKT15 are MPB composition in the Bi 0.5Na 0.5TiO 3-Bi 0.5K 0.5TiO 3 (BNT-BKT) system. The maximum piezoelectric coefficient (d 33,f) value of BNKT15 thin film is approximately 75 pm/V, which is comparable to that of polycrystalline PZT thin films. These results suggest that BNKT15 thin film can be used as an alternative for PZT films in piezoelectric micro-electromechanical systems. © 2011 Elsevier B.V. All rights reserved.
DOI
10.1016/j.cap.2011.12.005
Appears in Collections:
자연과학대학 > 물리학전공 > Journal papers
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