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Cited by 98 publications
(26 citation statements)
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References 39 publications
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“…[68][69][70] In each case, oxygen vacancies (V O Þ are generated. To resolve these issues in BF-BT, excess Bi 2 O 3 is added to compensate for volatilisation [71][72][73] and/or dopants [74][75][76][77][78][79][80][81][82][83][84][85][86][87][88][89][90] are used to accommodate changes in local defect chemistry associated with the multiple valence state of Fe. Dopants in the field of piezoelectric materials are classified into three groups: donor (higher valence), acceptor (lower valence) and self-compensated (average valence number remains the same).…”
Section: Dopant and Piezoelectric Propertiesmentioning
confidence: 99%
See 1 more Smart Citation
“…[68][69][70] In each case, oxygen vacancies (V O Þ are generated. To resolve these issues in BF-BT, excess Bi 2 O 3 is added to compensate for volatilisation [71][72][73] and/or dopants [74][75][76][77][78][79][80][81][82][83][84][85][86][87][88][89][90] are used to accommodate changes in local defect chemistry associated with the multiple valence state of Fe. Dopants in the field of piezoelectric materials are classified into three groups: donor (higher valence), acceptor (lower valence) and self-compensated (average valence number remains the same).…”
Section: Dopant and Piezoelectric Propertiesmentioning
confidence: 99%
“…17). [74][75][76][77][78][79] And rare earth ions are reported to substitute on the A site of BiFeO 3 and improve d 33 but there are conflicting reports as to whether they improve the resistivity/d 33 of BF-BT ceramics. [80][81][82][83] However, a brief review of the literature suggests that the most successful dopants are stoichiometric or selfcompensated (e.g., Cr, Co, Al, Ga, Mg 1=2 Ti 1=2 , Zn 1=2 Ti 1=2 and Ni 1=2 Ti 1=2 Þ.…”
Section: Dopant and Piezoelectric Propertiesmentioning
confidence: 99%
“…Recently, considerable efforts have been carried out to address this problem mentioned above , [16][17][18][19][20][21][22][23][24][25][26][27][28][29][30][31] such as: (1) adding oxide additives, e.g., MnO 2 , 16,20,21 Bi 2 O 3 , 18,22 CuO, 23 La 2 O 3 , 24 and so on, have been added to improve the resistivity as well as the piezoelectric properties. (2) Building ternary system, e.g., BF- 17,25,26 BF-BT-Bi 0.5 K 0.5 TiO 3 , 27 and so on.…”
Section: Introductionmentioning
confidence: 99%
“…The former one is related to the lattice distortion, while the later one is associated with irreversible non‐180° domain switching . Rayleigh analysis of piezoelectric response is usually used to separate the intrinsic and extrinsic contributions, which is given in the following equation:d33=dinit+αnormaldE0where d33 represents the piezoelectric coefficient, d init is the intrinsic contribution, α d is the Rayleigh coefficients, and E 0 is the amplitude of the applied electric field . The applied electric field on the ploed BF‐BT piezoelectric ceramics is less than half of their coercive fields in order not to affect the domain state significantly.…”
Section: Resultsmentioning
confidence: 99%
“…where d ′ 33 represents the piezoelectric coefficient, d init is the intrinsic contribution, α d is the Rayleigh coefficients, and E 0 is the amplitude of the applied electric field. 34,35 The applied electric field on the ploed BF-BT piezoelectric ceramics is less than half of their coercive fields in order not to affect the domain state significantly. A series of strain-field S-E hysteresis loops were measured, and then the extracted d ′…”
Section: Bt-based Piezoelectric Ceramicsmentioning
confidence: 99%