001 field cooled batio3 single crystals
Lead-Free Piezoelectrics pot
... in Mn-Doped Na0.5Bi0.5TiO3-5.6at %BaTiO3 Single Crystals High piezoelectric and ferroelectric properties have been found in Mn-doped Na0.5Bi0.5TiO3 BaTiO3 single crystals The piezoelectric constant ... [18–23] and PMN-x%PT [7, 8, 24–38] single crystals have provided direct evidence of different monoclinic phases existed in both zero-field -cooled (ZFC) and field -cooled samples A new revised MPB ... [110] poled crystals Based on the phase diagram reported by Noheda et al [8], Cao et al [35] reported two new phase diagrams for [001] and [110] electric field (E) cooled PMN-xPT crystals, as...
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Báo cáo hóa học: " Fabrication of transparent lead-free KNN glass-ceramics by incorporation method" potx
... a glass ceramic containing a single LiNbO3 phase was achieved in the LiNbO3-SiO2 system when using the incorporation method In addition, they were able to make nanocrystals of LiNbO3 with improved ... treated at 525°C and 550°C, the KNN crystals were rectangular in shape and were embedded in the glass matrix with random orientations The diagonal values (D) of these crystals are approximately 117 ... light scattering than that of the larger crystals from the glassceramic samples heat treated at the higher temperature of 575°C The cross sections of the KNN crystals in the glass-ceramic samples...
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Báo cáo toán học: " Reference-free time-based localization for an asynchronous target" pot
... linear-correction least-squares approach IEEE Trans Acoust Speech Signal Process 9(8), 943–956 ( 2001) [5] Li, D, Hu YH: Least square solutions of energy based acoustic source localization problems ... localization in ad-hoc networks of sensors In: Proc ACM MobiCom pp 166–179, Rome, Italy, July 2001 [12] Niculescu, D, Nath, B: Ad hoc positioning system (APS) using AOA In: Proc IEEE INFOCOM,...
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Báo cáo hóa học: " Electrical properties of lead-free " pdf
... NKN-based ceramics (e.g., solid solutions of NKN-LiNbO3, NKN-LiTaO3, NKN-LiSbO3, NKN-Li(Ta,Sb)O3, NKN -BaTiO3, NKN-SrTiO3, NKN-Ba(Zr,Ti)O3, and NKN-CaTiO3) have received significant attention largely ... loops of the samples were measured by a Sawyer-Tower circuit The samples were poled under a DC field of kV/mm for 20 The d33 was measured by a d33 meter (DT-3300, Channel Products Inc., Chesterland, ... 0.98NKN0.02BZT ceramics sintered at various temperatures The Pr is 5.8 µC/cm2 and the coercive electric field [Ec] is 5.4 kV/cm for 0.98NKN-0.02BZT ceramics sintered at 1,080°C When the sintering temperature...
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Báo cáo hóa học: " Investigation of a new lead-free " docx
... its high coercive field [Ec] of approximately 73 kV/cm and high conductivity often require some modifications It has been reported that BNT-based compositions modified with BaTiO3 [1], (Ba,Sr)TiO3 ... titanate, (Ba1–xSrx)TiO3, as well as doped BaTiO3 are currently important dielectric materials for capacitor applications [5] The main purpose of adding Sr2+ into BaTiO3 is to shift the Tc (approximately ... hysteresis loop The samples were poled at 60°C in a stirred silicone oil bath by applying a DC electric field of kV/mm for 15 min, and piezoelectric measurements were then carried out using a d33meter...
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A novel flow battery—A lead acid battery based on an electrolyte with soluble lead pptx
... p 331 [11] S Treimer, J Feng, M.D Scholten, D.C Johnson, A.J Davenport, J Electrochem Soc 148 ( 2001) 459 [12] A.M Couper, D Pletcher, F.C Walsh, Chem Rev 90 (1990) 837 [13] R Wurmb, F Beck, K...
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Báo cáo y học: "Vastus medialis cross-sectional area is positively associated with patella cartilage and bone volumes in a pain-free community-based population" pdf
... steady state; flip angle 55 degrees; repetition time 58 milliseconds; echo time 12 milliseconds; field of view 16 cm; 60 partitions; 512 (frequency direction, superior-inferior) × 512 (phase-encoding ... 13 14 15 16 17 18 19 20 21 Vol 10 No Berry et al lofemoral pain syndrome Arch Phys Med Rehabil 2001, 82:183-189 Gilleard W, McConnell J, Parsons D: The effect of patellar taping on the onset of ... muscle activity in persons with patellofemoral pain Phys Ther 1998, 78:25-32 Frontera WR, Hughes VA, Fielding RA, Fiatarone MA, Evans WJ, Roubenoff R: Aging of skeletal muscle: a 12-yr longitudinal...
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Báo cáo khoa học: " Feasibility and early clinical assessment of flattening filter free (FFF) based stereotactic body radiotherapy (SBRT) treatments" pptx
... without usage of the flattening filter [18-24] It seems possible to expect a reduction of out-of -field dose when flattening filter free (FFF) beams are used This is mainly due to reduced head scatter ... and patients may benefit by decreased exposure of normal tissue to scattered doses outside the field Removal of the flattening filter implies also the possibility to deliver treatments with higher ... and 2400 MU/min for 10 MV [30] RapidArc ® plans were individually designed using full or partial single or multiple arcs chosen to obtain the best adherence to planning objectives for each patient...
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Báo cáo y học: "Vastus medialis cross-sectional area is positively associated with patella cartilage and bone volumes in a pain-free community-based population" ppt
... steady state; flip angle 55 degrees; repetition time 58 milliseconds; echo time 12 milliseconds; field of view 16 cm; 60 partitions; 512 (frequency direction, superior-inferior) × 512 (phase-encoding ... 13 14 15 16 17 18 19 20 21 Vol 10 No Berry et al lofemoral pain syndrome Arch Phys Med Rehabil 2001, 82:183-189 Gilleard W, McConnell J, Parsons D: The effect of patellar taping on the onset of ... muscle activity in persons with patellofemoral pain Phys Ther 1998, 78:25-32 Frontera WR, Hughes VA, Fielding RA, Fiatarone MA, Evans WJ, Roubenoff R: Aging of skeletal muscle: a 12-yr longitudinal...
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Nanostructured phosphate based electrode materials for lithium batteries
... Armand, Issues and Challenges Facing Rechargeable Lithium Batteries Nature, 2001 414(6861): p 359-367 copyright 2001 Figure 2.12 (b): Reprinted by permission from Macmillan Publishers Ltd: Nature ... quotient N Real part of impedance Zre (or Z’) Spin transition absorption energy U Strength of magnetic field H Theoretical specific capacity Cspecific Temperature T Theoretical energy density εw Time ... DMC Electric vehicles EVs Electron Spin Resonance ESR Ethylene carbonate EC Ethylene glycol EG Field emission scanning electron microscope FESEM High resolution transmission electron microscopy...
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LI4TI5O12 based anode materials for high power lithium ion batteries
... 8.36107(5) 8.36121(5) 8.36093(6) 8.36111(5) Li1 0.999(3) 1.000(2) 0.999(2) 0.999(2) Ti1 0 .001( 3) 0.000(2) 0 .001( 2) 0 .001( 2) 0.167(2) 0.158(1) 0.151(1) 0.142(1) Ti2 0.833(2) 0.829(1) 0.824(1) 0.821(1) ... (EVs) and hybrid electrical vehicles (HEVs)), which is one of the main research focuses in the field of LIBs nowadays [1] At present, one of the main obstacles that hinder the commercialization ... material structure It is known that 3d transition metal ions are widely used as dopants in the field of functional ceramics, among which, however, only Cr3+ [14,42,43], Ni3+ [14], Fe3+ [14],...
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Cyclophane and bridged triphenylamine based organic materials for optical applications
... excited state If it goes from one excited singlet state to another excited singlet state (S →S1) then it’s called internal conversion If it goes from one excited singlet state to another excited triplet ... organic light emitting diodes (OLED), organic field effect transistors (OFET) and photovoltaic cells Currently, a major area of research in the field of organic electronics focuses on fine tuning ... within the organic semiconductor to the respective electrodes.21 1.7.3 Organic Field Effect Transistors Organic field- effect transistors (OFETs) based on solution-processible polymeric as well...
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Synthesis, characterization and potential applications of pyrene based organic materials
... well known in this field most probably because of poor solubility and processiblity 1.6.1.1 Pyrene Based LCDs Liquid crystals are soft materials combining ordered states of crystals and dynamic ... Figure 1.6 Various fields of applications of pyrene derivatives 18 1.6.1 Applications in Organic Electronics Mono- or poly functionalized small molecules are used in different fields of organic ... The maximum field effect mobility values obtained for pyrene derivatives are in the range of ∼ 0.1 cm2 V-1 s-1 with Ion/off ratio as high as × 104 Better device performance with field effect...
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Development of lead free electroless nickel plating systems and metal thin films on silicone and nafion membranes
... deposition (PVD), chemical vapor deposition (CVD), and electroless plating (Mittal, 1998 & 2001; Kim, 2001; Carlo, 2002; Sipaut; 2007) However, reports have seldom been published for metallizing ... deposition layer were found to strongly depend upon the plating time According to the assessment in a single stack PEMFC, both of Pt and Pt-Au catalysts displayed better electrode reactivity than the ... layer on the modified PDMS 164 Fig 6.13 Temperature profiles of the copper sheet in the alternating field as shown in Figure 6.12 164 Fig 7.1 XPS spectra of Pd on selectively activated Nafion® substrate...
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Synthesis and characterization of amphiphilic poly(p phenylene) based nanostructured materials 6
... Part A Polym Chem, 2001, 39, 1533 (e) Zhang, C.; Schlaad, H.; Schlüter, A D J Polym Sci Part A: Polym Chem 2003, 41, 2879 Baskar, C.; Lai, Y H.; Valiyaveettil, S Macromolecules 2001, 34, 6255 Tietze, ... absolute alcohol (50 mL) was added dropwise to the above reaction mixture, stirred for 10 hours, cooled to room temperature, filtered and concentrated under reduced 177 Experimental details pressure ... mol) in THF (150 ml) under nitrogen atmosphere at -78 °C The solution was warmed to RT and then cooled to -78 °C, followed by the dropwise addition of triisopropylborate (51 mL) during a h period...
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Synthesis and characterization of amphiphilic poly(p phenylene) based nanostructured materials 5
... Biol., 2001, 8, 1051 27 Morse, D E TIBTECH, 1999, 17, 230 28 Roth, K M.; Zhou, Y.; Yang, W.; Morse, D E J Am Chem Soc 2005, 127, 325 29 Baskar, C.; Lai, Y H.; Valiyaveettil, S Macromolecules 2001, ... 31 Santra, S.; Wang, K.; Tapec, R.; Tan, W J Biomed Opt 2001, 6, 160 32 Santra, S.; Zhang, P.; Wang, K.; Tapec, R.; Tan, W Anal Chem 2001, 73, 4988 33 Lian, W.; Litherland, S A.; Badrane, H.; ... Polymer-Silica Composite Spheres 24 Patwardhan, S V.; Mukherjee, N.; Clarson, S J Inorg Organomet Polym 2001, 11, 193 25 (a) Cha, J N.; Stucky, G D.; Morse, D E Proc Natl Acad Sci USA 1999, 96, 361 (b)...
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Synthesis and characterization of amphiphilic poly(p phenylene) based nanostructured materials 4
... phenylene)s via Electropolymerization 0. 00015 A 20th cycle 0. 00014 Current (A) Current (A) 0.00021 0.00007 1st cycle 0.00000 0.00005 0.00000 -0.00005 -0.00007 -0. 00010 -0. 00014 0.0 0.2 0.4 0.6 0.8 1.0 1.2 ... Current (A) 0.0 00015 10th cycle 0.00006 4th cycle 0.00003 1st cycle 0.6 0.8 1.0 1.2 E 1st cycle 0.0 00010 4th cycle 0.000005 0.000000 -0.000005 0.00000 0.0 0.2 0.4 0.6 0.8 1.0 1.2 -0.0 00010 0.0 Potential ... Network Films of Carbazole Functionalized poly(p- phenylene)s via Electropolymerization 0. 00012 0. 00012 0. 00010 (B) 0.00009 Current (A) Current (A) (A) 0.00008 0.00006 1st 0.00004 20th scan scan...
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