Double hysteresis loops and enhanced mechanical quality factor of Mn-doped 0.75PMN-0.25PT ceramics
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DOI: 10.1016/j.ceramint.2020.02.111
Abstract: Abstract Relaxor ferroelectric 0.75 Pb(Mg1/3Nb2/3)O3-0.25PbTiO3 (0.75PMN-0.25PT) ceramics with Mn-doping concentration of 0%, 1%, 2% and 3 mol% were prepared by two-step sintering. The phase composition, microstructure, dielectric property, ferroelectric property, piezoelectric property and electromechanical property were investigated.… read more here.
Keywords: 25pt ceramics; mechanical quality; doped 75pmn; quality factor ... See more keywords
Enhanced mechanical quality factor of BiScO3–PbTiO3 piezoelectric ceramics using glass composition
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DOI: 10.1039/d2ra00275b
Abstract: Compared with pure Pb-based perovskite ferroelectric materials, Bi(Me)O3–PbTiO3 (Me = Sc3+, In3+, Yb3+) have attracted attention due to their remarkable advantage in their Curie temperature. Among them, BiScO3–PbTiO3 piezoelectric ceramic is a potential piezoelectric material… read more here.
Keywords: quality factor; geo2; bisco3 pbtio3; mechanical quality ... See more keywords
Design and Preparation of Self-Oscillating Actuators Using Piezoelectric Ceramics with High Coupling Factors and Mechanical Quality Factors
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DOI: 10.3390/mi13020158
Abstract: Piezoelectric material properties were optimized to develop materials for an ultrasonic vibrator targeting a high vibration efficiency. Herein, novel materials were developed using a composition represented by 0.08Pb(Ni1/3Nb2/3)O3-0.07Pb(Mn1/3Nb2/3)O3-0.85Pb(Zr0.5Ti0.5)O3 + 0.3 wt.% CuO + 0.3 wt.%… read more here.
Keywords: coupling factors; design preparation; quality factors; mechanical quality ... See more keywords