ferroelectric domains and grain engineering in srbi2ta2o9
Lead-Free Piezoelectrics pot
... Jiefang Li, and D Viehland Ferroelectric Domains and Grain Engineering in SrBi2Ta2O9 H Amorin, I Coondoo, M.E.V Costa, and A.L Kholkin Part ... Kenji Uchino 511 Part I Domain Engineering and Phase Transformations Chapter Domain Engineering and Phase Transformations Wenwei Ge, Jiefang Li, and D Viehland 1.1 1.1.1 Introduction Enhanced ... suggestions and comments to further improve the text in eventual second edition Blackburg, VA, USA Shashank Priya Contents Part I Domain Engineering and Phase Transformations Domain Engineering and Phase...
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Báo cáo hóa học: " Fabrication of transparent lead-free KNN glass-ceramics by incorporation method" potx
... size and crystallinity were found to increase with increasing heat treatment temperature, which in turn plays an important role in controlling the properties of the glass ceramics, including physical, ... described in the report of Prapitpongwanich et al [7] They also reported that a glass ceramic containing a single LiNbO3 phase was achieved in the LiNbO3-SiO2 system when using the incorporation ... to moisture, leading to difficulty in obtaining a KNN single phase when using the conventional mixed-oxide technique The resulting glass product was light yellow transparent and mechanically...
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study of wo3-based sensing materials for nh3 and no detection
... is a sensing material and the other is a catalyst This research gives a number of good candidates in semiconducting sensing materials for NH and NO detection The NH 3rNO equivalent point sensor ... were prepared and applied for NH and NO detection, and several composition materials with good responses, both to NH and NO, were obtained The designed NH –NO equivalent point sensor includes two ... seen that: the sensitivity and responding properties of WO decayed with loading of alkali metals The responding and recovery properties were obviously improved by loading with alkali earth metals...
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Báo cáo toán học: " Reference-free time-based localization for an asynchronous target" pot
... (59) i = p and j = q i = p and j = q j = q and i = p (60) i = q and j = p j = p and i = q else Note that similarly as in [33] the signal attenuation is taken into account in order to obtain more ... are continuously emerging, which motivates further exploration and attracts many researchers from different research areas, such as geophysics, signal processing, aerospace engineering, and computer ... method and the unconstrained LS ˆ (or WLS) method lead to the same result Therefore, x in (18) and (7) (or in (19) and (8)) are all REFF-USR-LS (or REFF-USR-WLS) estimates 2.2.2 Revisiting existing...
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Báo cáo hóa học: " Electrical properties of lead-free " pdf
... be inferred that increasing sintering temperature improves the grain growth However, with an increasing sintering temperature above 1,090°C, the microstructure was inhomogeneous and the grain ... structural and electrical properties were investigated Increasing sintering temperatures improve the grain growth, densification, and electrical properties in effect However, with an increasing sintering ... optimizing sintering temperature Seung-Hwan Lee2, Sung-Gap Lee1, and Young-Hie Lee*2 Department of Ceramic Engineering, Engineering Research Institute, Gyeongsang National University, Jinju-Si,...
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Báo cáo hóa học: " Investigation of a new lead-free " docx
... 1,125°C XRD indicated that the addition of BST into BNKT caused a change in crystal structure and increase in lattice parameters The addition of BST also inhibited grain growth The incorporation ... ceramics were of high quality and densely sintered at 1,125°C An addition of BST allowed shortening of the sintering duration to attain a dense sintered bulk with similar grain size The microstructure ... (when x = 0, 0.05, 0.10, 0.15, and 0.20) After drying and sieving, a few drops of wt.% PVA binders were added before being uniaxially pressed into pellets of 10 mm in diameter These pellets were...
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A novel flow battery—A lead acid battery based on an electrolyte with soluble lead pptx
... from baths containing 0.3 M Pb(CH3 SO3 )2 + M CH3 SO3 H with (b and d) and without (a and c) g dm−3 sodium ligninsulfonate Current densities: 50 mA cm−2 (a and b) and 375 mA cm−2 (c and d) Deposition ... individual grains that are not totally merged and there are also some deposit features growing out from the layer With increasing additive concentration, the deposit becomes more continuous and ... sodium lignin sulfonate is even clearer when the edges of these deposits are examined by obtaining images with the sample tilted at 70◦ , see Fig In the absence of additive, the individual grains are...
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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
... Vigorous was defined as activity leading to sweating or dyspnoea, and examples such as swimming, tennis, netball, athletics (which may involve running, walking, throwing or jumping), and running were ... included males and thus expanded the generalisability of our findings Subsequently, the present study substantiates previous findings pertaining to both men and women In the past and present studies, ... pathology Competing interests The authors declare that they have no competing interests Authors' contributions FMC and AEW participated in the design of the study and in the analysis and interpretation...
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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
... (including a styrofoam block for abdominal compression to minimize internal organ motion in abdominal cases) Contrast free and Contrast-enhanced planning CT scans were acquired in free breathing ... still unclear and deserving dedicated investigations While research in the physics domain for FFF beams is increasing, there are very few clinical data where FFF beams are applied in clinical practice, ... regimes within few minutes [14-17]) Secondly, there has been increasing attention into the clinical use of linear accelerators (LINAC) with photon beams generated without usage of the flattening filter...
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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
... Vigorous was defined as activity leading to sweating or dyspnoea, and examples such as swimming, tennis, netball, athletics (which may involve running, walking, throwing or jumping), and running were ... included males and thus expanded the generalisability of our findings Subsequently, the present study substantiates previous findings pertaining to both men and women In the past and present studies, ... pathology Competing interests The authors declare that they have no competing interests Authors' contributions FMC and AEW participated in the design of the study and in the analysis and interpretation...
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Nanostructured phosphate based electrode materials for lithium batteries
... The world global energy demand is continuously increasing due to the rapid growth in world population, rising standard of living, industrialisation and increased demand in transportation sectors ... Meeting (M3) @ Singapore, An International Conference on “Frontiers in Materials Science, Chemistry & Physics, Institute of Materials Research and Engineering (IMRE), 9-11 January 2012, Singapore ... Aye Thein and Mr Abdul Khalim Bin Abdul (from Department of Mechanical Engineering, Materials Science Laboratory), Mr Lam Kim Song (lab incharge from Department of Mechanical Engineering, Fabrication...
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LI4TI5O12 based anode materials for high power lithium ion batteries
... are four types of ions in LTO: O2– ions in 32e sites, Ti4+ ions in 16d sites, Li+ ions in 16d sites and Li+ ions in 8a sites The molar ratio of Li+ ions in 16d sites and in 8a sites is 1:3 The ... When discharging, as shown in Eq 1.9, three external Li+ ions and the three Li+ ions in 8a sites move to 16c sites When charging, the process is reversed During the discharging and charging processes, ... key control factors determining conductivity During the discharging and charging processes, as illustrated in Fig 1.3, Li+ ions and electrons simultaneously transport in the active particles At...
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Cyclophane and bridged triphenylamine based organic materials for optical applications
... p-doping or n-doping In case of p-doping, an empty energy level or empty energy band is created just above the valence band, that newly created empty energy band can reduce the band gap by acting ... valence and conduction band Where as in case of n-doping an occupied energy band is created just below the conduction band and that newly created fully occupied energy band can reduce the band gap ... the band gap is in the range of semi conductor and the polymer cannot act as conducting polymer But the band gap can be further reduced to convert the polymer into conducting polymer by doing...
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Synthesis, characterization and potential applications of pyrene based organic materials
... contain binding sites and signaling subunits Binding sites help to communicate with the substance of detection and signaling subunits display selective changes in observable features upon guest binding.76 ... incomplete combustion of carbon containing materials such as wood and coal or diesel.1b It is an odorless yellow solid with melting point and boiling point of 151 and 404 °C It is a hydrophobic solid ... flurination is done from aminopyrene by Balz-Schiemann reaction.23 In this method, a mixture of t-BuONO and BF3.Et2O is used to incorporate fluorine into pyrene by replacing –NH2 group of 1aminopyrene...
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Development of lead free electroless nickel plating systems and metal thin films on silicone and nafion membranes
... sulfur-containing amino-acids, Bi3+-complex ion and phosphines, to replace Pb in the ENP solution, and proposal of suitable ligands to introduce indissoluble Bi3+ ion and phosphines into the weak ... sulfur-containing amino acids (cysteine and xi methionine), Bi3+-complex ions and phosphines Among them, cysteine, methionine and Bi3+-complex ions stabilize the ENP bath by controlling the oxidation ... corresponding concentrations of sulfur-containing amino acids 67 Fig 3.4 Schematic graph for interaction between sulfur-containing amino acids and positively charged phosphorous center at plating surface...
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Synthesis and characterization of amphiphilic poly(p phenylene) based nanostructured materials 6
... polymers in toluene solution were determined using quinine sulfate in 0.1 M sulfuric acid as the reference.5 The absolute PL quantum yield of the polymer films were determined using an integrating ... C12PPPC11OH, Suzuki coupling was employed In all the cases, bromination of hydroquinone was achieved using a standard procedure.3 In the case of C12PPPC11OH, monoalkylation of was done using 1.0 equiv of ... recorded using a Nanoacope III AFM (Digital Instruments Inc) in the tapping mode using silicon cantilevers (25 °C, in air) The cyclic voltammetry (CV) experiments were carried out on a Princeton...
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Synthesis and characterization of amphiphilic poly(p phenylene) based nanostructured materials 5
... in water and organic solvents On comparing the UV-Vis and emission studies of the polymers in THF and polymer-incorporated composite dispersed in THF, no significant shift in the absorption and ... polymer in THF The observed similarities between the UV-Vis and emission spectrum in THF solution and that of silica composites indicate that C12PPPC11OH was successfully incorporated while retaining ... After calcination 1:1, After calcination (A) 1:0.25, Before calcination (B) 1:0.5, After calcination 1:1, Before calcination 1:0.5, Before calcination 1:1, After calcination 1:1, Before calcination...
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Synthesis and characterization of amphiphilic poly(p phenylene) based nanostructured materials 4
... Electropolymerization and further cross-linking as evidenced by a lowering of the oxidation potential and increase in charge density with each succeeding cycle Similarly, multilayer thin films of carbazole incorporated ... have received tremendous interest during the past few decades owing to their diverse applications and interesting physico-chemical properties.1-4 The intrinsic film forming abilities of polymers ... due to doping and dedoping were found in the second to the subsequent cycles with doping at 0.93 V and 0.80 V for dedoping The peaks due to dedoping were slightly shifted to 0.78 V in the subsequent...
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