0.92Zr0.08)O3 Single Crystals - Piezoelectric;Lead-free;Single Crystals;$Ba(Ti_{0.92}Zr_{0.08})O_3$;"/> 0.92Zr0.08)O3 Single Crystals"/> Dielectric and Piezoelectric Properties of "Lead-free" Piezoelectric Rhombohedral Ba(Ti<sub>0.92</sub>Zr<sub>0.08</sub>)O<sub>3</sub> Single Crystals | Korea Science
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Dielectric and Piezoelectric Properties of "Lead-free" Piezoelectric Rhombohedral Ba(Ti0.92Zr0.08)O3 Single Crystals
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 Title & Authors
Dielectric and Piezoelectric Properties of "Lead-free" Piezoelectric Rhombohedral Ba(Ti0.92Zr0.08)O3 Single Crystals
Lee, Jong-Yeb; Oh, Hyun-Taek; Lee, Ho-Yong;
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Rhombohedral single crystals are fabricated using the cost-effective solid-state single crystal growth (SSCG) method; their dielectric and piezoelectric properties are also characterized. Measurements show that (001) single crystals have an electromechanical coupling factor () higher than 0.85, piezoelectric charge constant () of about 950 [pC/N], and piezoelectric voltage constant () higher than 40 []. Especially the of (001) single crystals was by about six times higher than that of their ceramics. Because their electromechanical coupling factor () and piezoelectric voltage constant (, ) are higher than those of soft PZT ceramics, it is expected that rhombohedral (001) single crystals can be used as "lead-free" piezoelectric materials in many piezoelectric applications such as actuator, sensor, and transducer.
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