TY - JOUR
T1 - Correlation between phase transitions and piezoelectric properties in lead-free (K,Na,Li)NbO3-BaTiO3 ceramics
AU - Ahn, Cheol Woo
AU - Park, Chee Sung
AU - Viehland, Dwight
AU - Nahm, Sahn
AU - Kang, Dong Heon
AU - Bae, Kyoo Sik
AU - Priya, Shashank
PY - 2008/12/19
Y1 - 2008/12/19
N2 - In this manuscript, we report the polymorphic phase transitions, structural changes and piezoelectric properties of alkali niobate based lead-free ceramics. The phase transitions were characterized as a function of alkali niobate content at room temperature. The results clearly demonstrate that in this system high piezoelectric properties are achieved for a specific fraction of ferroelectric orthorhombic (O) and tetragonal (T) phases. Using Rietveld and powder diffraction analysis, a correlation was established among the piezoelectric response, the fraction of O and T phases, and KNN ratio for three different systems of (K,Na)NbO3-BaTiO3 (KNN-BT), KNN-LiNbO3 (LN), and (K,Na,Li)NbO3 (KNLN)-BT.
AB - In this manuscript, we report the polymorphic phase transitions, structural changes and piezoelectric properties of alkali niobate based lead-free ceramics. The phase transitions were characterized as a function of alkali niobate content at room temperature. The results clearly demonstrate that in this system high piezoelectric properties are achieved for a specific fraction of ferroelectric orthorhombic (O) and tetragonal (T) phases. Using Rietveld and powder diffraction analysis, a correlation was established among the piezoelectric response, the fraction of O and T phases, and KNN ratio for three different systems of (K,Na)NbO3-BaTiO3 (KNN-BT), KNN-LiNbO3 (LN), and (K,Na,Li)NbO3 (KNLN)-BT.
UR - http://www.scopus.com/inward/record.url?scp=59349105129&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=59349105129&partnerID=8YFLogxK
U2 - 10.1143/JJAP.47.8880
DO - 10.1143/JJAP.47.8880
M3 - Article
AN - SCOPUS:59349105129
SN - 0021-4922
VL - 47
SP - 8880
EP - 8883
JO - Japanese Journal of Applied Physics
JF - Japanese Journal of Applied Physics
IS - 12
ER -