Ferroelectrics Physical Effects Part 4 pdf

... during charging below the Curie temperature. -45 88.8 -45 88 .4 -45 88.0 -45 87.6 -0.03 -0.02 -0.01 0.00 0.01 0.02 0.03 -46 02 .4 -46 02.0 -46 01.6 -46 01.2 -46 00.8 Cubic PbTiO 3 Tetragonal PbTiO 3 ... Ferroelectrics – Physical Effects 120 Metal Work Function Electronegativity Pd 5.12 2.20 Au 5.1 2 .40 Cu 4. 65 1.90 Ag 4. 26 1.93 Pt 5.65 2.20 Ni 5.15...

Ngày tải lên: 19/06/2014, 14:20

... thermal conductivity of K 2 SeO 4 in the IC phase. It has also Ferroelectrics – Physical Effects 172 100 200 600 700 800 0. 34 0.36 0.38 0 .40 0 .42 0 .44 0 .46 Heat Capacity (Jg -1 K -1 ) Specific ... polarization. 160 180 200 220 240 260 280 300 320 340 360 0.9 1.0 1.1 1.2 1.3 1 .4 Temperature(K) Thermal diffusivity (x10 -2 cm 2 s -1 ) 6.38 6 .40 6 .42 6 .44 6 .4...

Ngày tải lên: 19/06/2014, 14:20

... 0 .42 9.96 2 9.96 5.8 E-7 -0. 04 4.07 U B = 15 1 33.63 1.93 E-5 0 .46 9. 04 2 9. 04 5.39 E-7 -0.08 3.93 U B = 10 1 34. 40 2.23 E-5 0 .49 8.86 2 8.86 5.18 E-7 -0.10 3.77 U B = 5 1 34. 49 ... corresponding to the peak are 44 .6 Å in the Ferro phase and 44 .1 Å in the Ferri-L phase. The molecular lengths were obtained from MOPAC as about 46 Å for a bent conformer and 4...

Ngày tải lên: 19/06/2014, 14:20

... layer 32 ADOBE AFTER EFFECTS 5.0 Effects, part 4 Adobe Systems Incorporated 345 Park Avenue San Jose, CA 95110-27 04 USA World Wide Web www.adobe.com Adobe, the Adobe logo, Adobe Premiere, After Effects, ... the bottom appear increasingly blurry, especially where the water is deeper. 24 ADOBE AFTER EFFECTS 5.0 Effects, part 4 Front Mode, Side Mode, and Back Mode Determine t...

Ngày tải lên: 17/01/2014, 07:20

... Phys. Rev. B 47 42 85 (1993). Cohen, R. E., Nature 44 1, 941 (2006). Cox D. E., Noheda B., Shirane G., Uesu Y., Fujishiro K., and Yamada Y., Appl. Phys. Lett. 79, 40 0 (2001) Cross L., Ferroelectrics ... (chapters 1 to 8), the book will focus on particular effects associated with ferroelectricity: piezoelec- Ferroelectrics – Physical Effects 24 corresponds to ω , 2 ω...

Ngày tải lên: 19/06/2014, 14:20

... 88 2Ba2TB 40 .0 40 .0 40 .0 510 640 , 660, 690 975 1090 570 107 3Ba3TB 42 .85 42 .85 14. 30 510 625 975 1260 2BaTB 50.0 25.0 25.0 47 5 560, 740 940 1110 512 115 Ba2T 33.33 66.67 670 740 1310 1370 ... composition: curve 1- 600°C 60h; curve 2- 640 °C 24h; curve 3- 660°C 24h; curve 4- 700°C 24h; curve 5- 740 °C 24h; curve 6- 950°C 24h; curve 7- 1020°C 24h (samples 2-7 have b...

Ngày tải lên: 19/06/2014, 14:20

... annealed at 144 o C for 2 hours in vacuum. The length of the grains is approximately 180 nm with a surface RMS roughness of 14. 6 nm [Mao et al., 2010a]. Ferroelectrics – Physical Effects ... No. 4, pp. 5 54- 560 Tajitsu, Y., (1995). Effects of thickness on ferroelectricity in vinylidene fluoride and trifluoroethylene copolymers, Jpn. J. Appl. Phys.,Vol. 34, Part 1, No....

Ngày tải lên: 19/06/2014, 14:20

... (48 ) δσ 4k (ω)=c 44 (k, ω)δε 4k (ω) − e 14 (k, ω)δE 1k (ω), (53) where c 44 (k, ω)=c E0 44 − 4 ˜ ψ 2 14 ˜ v F 1 (k,iω) ( 54) and e 14 (k, ω) is presented in Eq. (49 ). Expressing Eq. (53) δε 4k (ω) ... constant at constant field: c E 44 =  ∂σ 4 ∂ε 4  E 1 = c E0 44 − 4 ˜ ψ 2 14 ˜ v f 1 (T, σ 4 , E 1 ). (30) Coefficient of the piezoelectric strain d 14 =(∂P 1 /∂σ...

Ngày tải lên: 19/06/2014, 14:20

... R 3 (ohm) 45 0 1.98×10 5 1.26 0.88 1. 14 10 5 3×10 -6 0.60 6333 500 5.7×10 4 1.8 0.89 3.3×10 4 2×10 -5 0.5 1300 550 2.2×10 4 1.66 0.89 1.5×10 4 1×10 -5 0 .41 268 600 1.1×10 4 1.2 0.9 ... Alkoxide-DerivedPb(Zr 0.3 Ti 0.7 )O 3 Thin Film by Chemical Solution Deposition. Jpn. J. Appl. Phys., Vol. 45 , No. 9B, 7265-7269. 240 Ferroelectrics – Physical Effects 16 Will-be-...

Ngày tải lên: 19/06/2014, 14:20

... Density (gm/cm 3 ) Log (.cm) tan (%)  1150 4. 23 9 .4 10 720 1160 (Annealed) 4. 44 9.97 4. 05 616 1160 (Unannealed) 4. 45 10. 14 4.75 630 Table 2. Properties of unpoled KNN ceramics ... T. ( o C) None 40 ,41 225 0.36 1,058 74 320 1,060 0.5 mol% MnO 2 53 237 0 .42 1,252 92 2 94 1,050 1.0 mol% ZnO 220 0.36 1,138 71 - 1, 040 2.0 mol% CuO 47 , 54 220 0....

Ngày tải lên: 19/06/2014, 14:20