2019
DOI: 10.1016/j.ssc.2019.05.008
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Effect of lanthanum substitution on structural, dielectric and piezoelectric properties of (Na0.41K0.09Bi0.5)TiO3: A lead-free piezoelectric material

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Cited by 6 publications
(6 citation statements)
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“…The presence of antiferroelectric/ ergodic ordering can be manifested with the existence of pinched P-E hysteresis loop. [25,[41][42][43] In view of this, the temperaturedependent P-E hysteresis measurement was conducted on (Na 0.41 K 0.09 Bi 0.5)(1Àx/2) (Ti 1Àx Nb x )O 3 . Figure 6 shows the P-E hysteresis loops for two compositions, i.e., x ¼ 0.00 and 0.010 As shown in Figure 4, the lowering of the depolarization temperature is detrimental to the thermal stability of the piezoelectric coefficients.…”
Section: Resultsmentioning
confidence: 99%
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“…The presence of antiferroelectric/ ergodic ordering can be manifested with the existence of pinched P-E hysteresis loop. [25,[41][42][43] In view of this, the temperaturedependent P-E hysteresis measurement was conducted on (Na 0.41 K 0.09 Bi 0.5)(1Àx/2) (Ti 1Àx Nb x )O 3 . Figure 6 shows the P-E hysteresis loops for two compositions, i.e., x ¼ 0.00 and 0.010 As shown in Figure 4, the lowering of the depolarization temperature is detrimental to the thermal stability of the piezoelectric coefficients.…”
Section: Resultsmentioning
confidence: 99%
“…The improvement can be attributed to the donor-like behavior of Nb 5þ (replacing Ti 4þ at B-site), whereas La 3þ is believed to act as an isovalent dopant (replacing Bi 3þ at A-site). [25] It is known that the donor dopant generates cation vacancies that enhance the ferroelectric domain wall mobility. [32,33] Furthermore, it leads to the reorientation and growth of the domains, resulting the observed enhancement in the piezoelectric response.…”
Section: Methodsmentioning
confidence: 99%
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