Acta Physica Sinica, Volume. 69, Issue 12, 127707-1(2020)
![(a) Historical evolution in d33 values of KNN-based ceramics as a function of time; (b) comparison of d33 values among KNN-based ceramics and PZT materials[11,12,34,37,43,45].](/Images/icon/loading.gif){kind=icon}
Fig. 2. Domain structures of KNN-based ceramcis with different phase boundaries at room temperature: (a) Orthorhombic (K0.5Na0.5NbO3 ceramics[56,61]); (b) O-T phase boundaries (KNNL-BZ-BNT ceramics[62], KNNSL-BNZ-BZ-MnO2 ceramics[63]); (c) R-T/R-O-T phase boundaries (KNNS-BF-BNZ ceramics[43], KNNS-BNZ-BZ ceramics[34]).
Fig. 4. Projections of real Nb off-center displacements on the (001) plane redrawn from the Ref. [120].
Fig. 5. Energy distribution for 
] direction[125].
Table 1. [in Chinese]
View tableView in ArticleTable 1. [in Chinese]
Material system d33/pC·N–1 kp TC/℃ KNLANT[ 15 ]252 0.454 438 KNLN-BCZT[ 16 ]180 0.34 425 KNN-KLN[ 17 ]121 0.39 — KNLN-AS[ 18 ]230 0.39 430 KNLN-BNCT[ 19 ]262 0.36 ～400 KNN-BC[ 20 ]165 0.40 ～390 KNN-LS[ 21 ]280 0.494 364 KNN-BLZ[ 22 ]265 0.365 364 KNN-BC-BNH[ 23 ]272 0.47 333
Table 2. [in Chinese]
View tableView in ArticleTable 2. [in Chinese]
Material system d33/pC·N–1 kp TC /℃ KNN-BNZ-BG[ 24 ]312 0.44 341 KNN-BZ-BNZ[ 25 ]345 0.50 ～260 KNN-NS-BNKZH[ 26 ]452 0.63 ～270 KNNS-BNCZ[ 27 ]415 0.46 245 KNNTS-BNKZ[ 28 ]400 0.46 240 KNN-BNZN[ 29 ]318 ± 10 — 360 KNNS-BKZH[ 30 ]451 0.52 258 KNNS-BLKZ[ 31 ]385 — 245 KNNS-SZ-BNH[ 32 ]470 ± 5 0.51 ± 0.02 244 KNNS-BS-BNZ[ 33 ]～480 — ～225 KNNS-BNZ-BZ[ 34 ]610 0.58 241 KNNS-BNKZ-Fe-AS[ 12 ]650 — ～180
Table 3. [in Chinese]
View tableView in ArticleTable 3. [in Chinese]
Material system d33 /pC·N–1 kp TC/℃ KNNS-BNZSn[ 35 ]465 0.51 240 KNNS-BZH[ 36 ]410 — 255 KNNS-BNKZ[ 37 ]490 0.46 227 KNNTS-BNKZ[ 38 ]460 0.40 ～220 KNNS-BNH[ 39 ]419 0.45 242 KNNS-BKZS[ 40 ]430 — 243 KNNS-BNLCZ[ 41 ]485 0.48 227 KNNS-BNKH[ 42 ]525 — ～210 KNNS-BF-BNZ[ 43 ]550 — 237 KNNS-CZ-BKHT-MnO2[ 44 ]425 0.49 215 KNNS-BZ-BKH[ 45 ]570 ± 10 — ～190 KNNS-BNZ-BF[ 46 ]511 0.515 269 KNANS-BNZ[ 47 ]440 0.50 250
Table 4. [in Chinese]
View tableView in ArticleTable 4. [in Chinese]
Material system d33 or $ {d}_{33}^{*} $ Domain size KNNS-SZ-BAZ[ 52 ]487 pC/N 30—65 nm, 65—160 nm, 30—45 nm KNNS-BZ-BNH[ 48 ]600 pm/V 10—100 nm KNNS-BNKH[ 42 ]525 pC/N 10—30 nm KNNS-BNKZ-Fe-AS[ 12 ](650 ± 20) pC/N 2 nm KNNS-BNZ-BZ[ 34 ]610 pC/N 50—70 nm KNNT-BNKZ-CZ[ 51 ]482 pm/V 60 nm KNNS-BZ-BNZ[ 65 ]300 pC/N 150 nm—1.0 μm KNNS-CZ-BKH[ 66 ]550 pC/N 30—230 nm KNNS-BNH[ 67 ]512 pC/N 100 nm KNNS-SZ-BNZ[ 68 ]450 pC/N 50—200 nm KNLNTS[ 54 ]455 pC/N 110—310 nm KNNS-BNZ-BF[ 46 ]510 pC/N < 1 μm KNN-BNZ-MnO2-Sb2O3[ 69 ]318 pC/N < 1 μm KNN-BI-BNZ[ 57 ]317 pC/N ～200 nm KNNdNS-BNZ[ 70 ]400 pC/N ～ 1 μm
Table 5. [in Chinese]
View tableView in ArticleTable 5. [in Chinese]
Material system d33 /pC·N–1 TC/℃ KNN-BNH[ 71 ]385 315 KNN-BNZ-LF[ 72 ]345 314 KNN-BNZ-MnO2[ 73 ]300 345 KNN-BNZ-BG[ 24 ]312 341 KNN-BNZ-BA[ 74 ]355 335 KNN-BAZ[ 75 ]347 318 KNN-BNZ[ 76 ]360 329 KNN-BKZ-BZ[ 77 ]305 ～300 KNLNS-BS[ 78 ]325 358 KNN-BNZS[ 79 ]350 315 KNN-BS-BNKLZ[ 80 ]366 335 KNN-BNT-BNZ[ 81 ]318 326 KNN-BNZ-BI[ 57 ]317 336
Table 6. [in Chinese]
View tableView in ArticleTable 6. [in Chinese]
d33/pC·N–1 d33 variation/% $ {d}_{33}^{*} $ $ {d}_{33}^{*} $ 注: 16.1%@180 ℃表示到180 ℃性能下降16.1%. KNLNT-CZ[ 86 ]— — — almost unchanged @140 ℃ KNN-BNZ-LF[ 72 ]345 — 420 8%@100 ℃ KNNT-BNKZ-SZ-MnO2[ 49 ]— — 400 10%@180 ℃ KNNT-BNKZ-CZ-MnO2[ 51 ]— — 482 10%@120 ℃ KNNS-BNZ-SZ[ 87 ]390 — — 13%@180 ℃ KNN-BLT-BZ-MnO2[ 88 ]— — 470 8.5%@100 ℃, 21.2%@170 ℃ KNNS-BZ-BNZ[ 65 ]300 10@100 ℃ — — KNNS-(BHo)NHf[ 89 ]— — ～386 almost unchanged @140 ℃ KNNT-BNZ-CZ[ 90 ]— — 502 10%@135 ℃ KNNS-BNKH[ 42 ]525 — 460 10%@80 ℃ KNN-BZ-BNH-MnO2[ 91 ]300 15@120 ℃ 540 ± 10 5%@100 ℃ KNN-BNH-BF-MnO2[ 92 ]450 — — 28%@160 ℃ KNN-BNZ-MnO2-Sb2O3[ 69 ]318 — — 9%@170 ℃ KNNS-BZH-BNZ[ 36 ]410 — 441 2.5%@100 ℃, 16.1%@180 ℃
Table 8.
Internal atomic coordinate gradients as a function of strains in different structure, noted that OI is located at the (010) plane without Nb atoms in Bmm2, OI,1 and OI,2 are close to K and Na along a axis, respectively[139].
不同结构下原子内坐标随应变的梯度, 注意OI位于Bmm2不包含Nb原子的(010)平面, KNN中OI,1和OI,2沿a方向分别靠近K和Na原子[138]
View tableView in ArticleTable 8.
Internal atomic coordinate gradients as a function of strains in different structure, noted that OI is located at the (010) plane without Nb atoms in Bmm2, OI,1 and OI,2 are close to K and Na along a axis, respectively[139].
不同结构下原子内坐标随应变的梯度, 注意OI位于Bmm2不包含Nb原子的(010)平面, KNN中OI,1和OI,2沿a方向分别靠近K和Na原子[138]
K Nb OⅡ OⅠ KN ∂u3/∂η3 0.108 0.166 –0.092 –0.091 ∂u1/∂η5 0.115 0.210 –0.151 –0.024 K Na Nb OⅡ OI,1 OI,2 KNN ∂u3/∂η3 0.103 0.542 0.125 –0.158 –0.125 –0.135 ∂u1/∂η5 0.094 0.828 0.194 –0.235 –0.061 –0.309
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Jie Xing, Zhi Tan, Ting Zheng, Jia-Gang Wu, Ding-Quan Xiao, Jian-Guo Zhu.
Received: Feb. 25, 2020
Accepted: --
Published Online: Dec. 8, 2020
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