Ferroelectrics Material Aspects Part 2 pdf

... routes: Na 2 CO 3 + Bi 2 O 3 + 4TiO 2 → 4Na 0.5 Bi 0.5 TiO 3 + CO 2 (1) Bi 4 Ti 3 O 12 + 5TiO 2 + 2Na 2 CO 3 → 8Na 0.5 Bi 0.5 TiO 3 + 2CO 2 (2) In route (1), the starting materials ... V DB(|S (2, 1)|) 10V DB(|S (2, 1)|) 15V DB(|S (2, 1)|) 20 V DB(|S (2, 1)|) 25 V DB(|S (2, 1)|) 30V DB(|S (2, 1)|) 35V 0.5 1 1.5 2 2.5 3 3.5 4 4.5 Frequency (GHz) -40 -35 -30...

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... et al., 20 00, 20 02; Ramirez et al, 20 00; Home et al., 20 01; Adams, et al., 20 02; Sinclair et al., 20 02; Maurya, et al. 20 08; Prakash, et al., 20 08; Zhu, et al., 20 08; Kim, et al., 20 10). CCT ... Figure 28 shows the tuning of the fabricated filter. The best Fig. 27 . Photograph of a ring filter 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50 Frequency (GH...

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... Substrates 83 -800 -600 -400 -20 0 0 20 0 400 600 800 -60 -40 -20 0 20 40 60 Polarization(uC/cm 2 ) Electric Field(kV/cm) -600 -400 -20 0 0 20 0 400 600 0 2 4 6 8 10 12 14 16 18 D33(pm/V) Electric ... interface. Ferroelectrics – Material Aspects 68 Fig. 23 . Evolution of the current density as a function of a positive DC electrical field for a BTS film. O...

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... 1 020 3040506070 0 20 40 60 80 100 M 33 cer. =1.58 10 -14 m 2 /V 2 M 33 =2. 39 10 -14 m 2 /V 2 M 33 =2. 08 10 -14 m 2 /V 2 M 33 =2. 59 10 -14 m 2 /V 2 2 Hz s.c. Fit of data at 2 Hz 20 Hz s.c. Fit ... Narayanasamy, A. (20 02) . Electrical conductivity and dielectric behaviour of nanocrystalline NiFe 2 O 4 spinel. Journal of Physics-Condensed Matter, Vol.14...

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... 1.5 2. 0 2. 5 -28 -26 -24 -22 -26 -25 Pool-Frenkel current As-deposited SBT Oxygen treatment 10 min SBT Schottky current ln(J) V 1 /2 ln(J/E) 0.00.51.01. 52. 02. 5 -26 .5 -26 .0 -25 .5 -25 .0 -24 .5 Pool-Frenkel ... et al., 20 03, Zhu et al., 20 02a, Zhu et al., 20 02b, Zhu et al., 20 02c) and 300– 320 for graded films prepared by sol-gel methods (Jain et a...

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... (d) x=0.05. Scan size: 2* 2 µm By adding Mn 2+ ions (and some oxygen from e.g. the atmosphere) we may find 24 2 1 2 X OO OMn V Mn O    (2) or 23 2 11 1 42 2 X OO OMn V Mn O  ... Applications. Integrated Ferroelectrics Vol. 100, 36-47. Ferroelectrics – Material Aspects 186 or 42 33 2 11 22 42 X O Ti Mn O Ti Mn O    (5) In oth...

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... 24 wt% and 12 wt%, respectively. Ferroelectrics – Material Aspects 22 0 10 20 30 40 50 60 70 80 (e) (d) (c) (b) (a) 22 2 22 0 20 0 111 113 013 134 122 322 23 3 022 0 62 004 043 133 1 12 222 0 12 150 0 42 0 02 211 122 140 111 1 12 131 130 110 0 02 120 101 021 001 020 ... (Avdeev 20 02; Lee 20 00). As shown in Fig. 21 ., La(Mg 0.5 Ti 0.5 )O 3 form s...

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... Evaluation 25 5 20 30 40 50 60 70 80 Pechini 800ºC (001)/(100) (110) (111) (0 02) (20 0) (1 02) (20 0) (1 12) (21 1) ( 022 ) (22 1) (301) Intensity (a.u) Pechini 700ºC Pechini 600ºC 2  SHM 0.31mol.L -1 ... product can be synthesized using Pb(NO 3 ) 2 , ZrOCl 2 .8H 2 O, TiO 2 , KOH . At first, a suspension containing ZrOC 2 .8H 2 O, Pb(NO 3 ) 2 and TiO 2...

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... to 3 nm. 024 6810 12 1E- 12 1E-11 1E-10 1E-9 1E-8 1E-7 1E-6 as depo 20 0 o C/1h 350 o C/1h log(I) E 1 /2 Ferroelectrics – Material Aspects 27 4 Morita, T. (20 10) Piezoelectric Materials Synthesized ... 60 25 0 25 5 26 0 26 5 27 0 27 5 28 0 415 410 26 5 26 0 25 5 25 0 700 o C 800 o C Capacitance (pF) Temperature ( o C) 10 20 30 40 50 0.00 0.05 0.10 0.15 700 o C...

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... 32 290 (100 kHz) 4 .24 2 (100 kHz) Egerton & Dillon, 1959 0.45 160 49 420 (100 kHz) 1.4 (100 kHz) Jaeger & Egerton, 19 62 0. 32 107 26 4 (1 kHz) 4.09 Maeda et al., 20 10 0.40 120 ... (K 0.44 Na 0. 52 Li 0.04 )(Nb 0.84 Ta 0.10 Sb 0.06 )O 3 0.48 29 9 1865 (1 kHz) 2. 1 (1 kHz) 26 5 Hagh et al., 20 07 (K 0.5 Na 0.5 ) 0.096 Li 0.04 Nb 0.775 Ta 0 .22 5 O 3 0.4...

Ngày tải lên: 19/06/2014, 13:20