kinetics of electro optical transformation processes of nanostructured wo3 based thin film
Study on kinetics of electro-optical and photoluminescent processes in nanostructured transition metal (W, Mo) oxide-based thin films
... structure of the films 48 Chapter Kinetics of electro- optical transformation processes of nanostructured WO3- based thin film 55 4.1 Ion intercalation/extraction studied by electrochemical ... 4.2 Electro- optical properties of WO3- based electrochromic device studied in-situ by Optics Multi-canal Analyzer 63 Chapter Study on photoluminescent transformation processes of nanostructured ... durability of the films were still limited for practical use The aim of this work is to improve electrochromic properties of WO3 thin films deposited by electrochemical method The morphology, electrochemical...
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Synthesis of nanostructured titanium based intermetallics by mechanical alloying
... after 50 h of milling Fig 5.3 (a) SEM micrograph of cross-section of Ti-58Al powder mixture after h of milling Fig 5.3 (b) SEM micrograph of cross-section of Ti-58Al powder mixture after h of milling, ... sputtered Ti/Al films during heat-treatment The kinetics of the formation of new phase was depended on the thickness of Ti/Al layer thickness during milling Thermal stability of the mechanically ... after hour of milling Fig 4.3 (d) SEM micrograph of Ti-75Al powder after 10 hour of milling Fig 4.3 (e) SEM micrograph of Ti-75Al powder after 15 hour of milling Fig 4.3 (f) SEM micrograph of Ti-75Al...
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Optical and mechanical properties of cu al o thin films prepared by plasma enhance CVD
... thesis 2.1 THIN FILM TECHNOLOGY 2.1 Thin Film Technology The term thin film is used when the thickness of a film is smaller than micron Thin film technology is simultaneously one of the oldest ... oldest arts and one of the newest sciences [1] Although involvement with thin films dates to the metal ages of antiquity, the development of thin film technology is far from end Thin films are deposited ... bombardment, the film experienced optical annealing and film transmittance increased At a laser intensity of 133 GW/cm2 , a transmittance change of 25% was achieved Such optical response of the film may...
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Báo cáo hóa học: " Enhanced electrochemical properties of fluoride-coated LiCoO2 thin films" pot
... films (a) Discharge capacities and cyclic performances of pristine and fluoridecoated LiCoO2 thin films, (b) discharge profile of the pristine film, (c) discharge profile of the AlF3-coated film, ... AlF3-coated film, and (c) LaF3-coated film The bottom of the figure shows EDS peaks of the surface of the coated samples Figure Discharge capacities, cyclic performances, and discharge profiles of the thin ... oxide [LiCoO2] thin film was characterized The surface of a LiCoO2 thin film cathode is much wider and smoother than that of a bulk-type electrode, which may enable careful observation of the interface...
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Báo cáo hóa học: " Ferroelectric properties of PZT/BFO multilayer thin films prepared using the sol-gel method" ppt
... diffusion of Pb from the PZT film into the Pt bottom electrode [9] and the diffusion of Pb, Ti, Zr, Bi, and Fe at the interfaces of the PZT film and BFO film increase with an increase in the number of ... PZT/BFO/PZT/BFO/PZT/BFO films Figure Dielectric constant and dielectric loss of PZT/BFO multilayer thin films (a) Dielectric constant and (b) dielectric loss of PZT/BFO multilayer thin films as a function of applied ... patterns of PZT(52/48) thin films show a single peak for each diffraction angle In addition, XRD patterns of BFO thin films show a single peak at 2θ = 22.5° and 46° However, all PZT/BFO multilayer thin...
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Báo cáo hóa học: " Cohesive strength of nanocrystalline ZnO:Ga thin films deposited at room temperature" pptx
... sin 0.2925 The nc nature of the thin films influences both optical and electrical performance Figure shows optical transmittance as a function of wavelength for thick GZO films (approx 700 nm) prepared ... oxide films for flexible polymer -based displays Thin Solid Films 2004, 460:156 doi:10.1186/1556-276X-6-309 Cite this article as: Samantilleke et al.: Cohesive strength of nanocrystalline ZnO:Ga thin ... guas H, Pereira L, Ferreira I, Martins R: Growth of ZnO:Ga thin films at room temperature on polymeric substrates: thickness dependence Thin Solid Films 2003, 442:121 Samantilleke et al Nanoscale...
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Báo cáo hóa học: " One-step synthesis of PbSe-ZnSe composite thin film Seishi Abe" doc
... because of the exciton Bohr radius of 46 nm in PbSe [13] Figure depicts optical absorption spectra for the PbSe-ZnSe composite thin films For comparison, the spectrum of a pure ZnSe thin film is ... http://www.nanoscalereslett.com/content/6/1/324 Page of Figure Direct observation of PbSe-ZnSe composite thin film containing mol% PbSe (a) Bright-field TEM image (b) Bright-field image of STEM mode (c) Elemental mapping of Zn (red), ... Photosensitization of nanoporus TiO2 electrodes with InP quantum dots Langmuir 1998, 14:3153-3156 Liu D, Kamat PV: Photoelectrochemical behavior of thin CdSe and coupled TiO2/CdSe semiconductor films J...
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Báo cáo hóa học: "Surface Morphological and Nanomechanical Properties of PLD-Derived ZnO Thin Films" docx
... particular reference to the effects of substrates on mechanical properties of thin films/substrates systems Experimental Details The Growth Conditions of ZnO Thin Films ZnO thin films were grown on (0001) ... properties of ZnO thin films are reasonably explained by the various growth environments of thin films, the indentation instruments and operational conditions Fig 2(b) displays the hardness of ZnO thin ... addition, the Ra and RMS of ZnO thin films were summarized in Table Nanoindentation Analysis The typical indentation load-displacement curves of all ZnO thin films are shown in Fig 2(a) Of note, there is...
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Báo cáo hóa học: " Morphologies of Sol–Gel Derived Thin Films of ZnO Using Different Precursor Materials and their Nanostructures Harish Bahadur Æ A. K. Srivastava Æ R. K. Sharma Æ Sudhir Chandra" pdf
... substrate of micrograph shown in Fig 1(b) The strong peak of Si at 1.8 eV is that of the signal coming from the substrate because the film thickness was lower Fig EDS spectrum of ZnO thin film grown ... Fig EDS spectrum of ZnO thin film grown on quartz substrate by sol–gel spin process using zinc nitrate as the precursor material than the penetration depth of the incident electron of 15 keV The ... of morphological features of the ZnO thin film grown on Si substrate by sol–gel spin process using zinc acetate as the precursor material 473 Fig Bright field TEM micrograph of the nanograins of...
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MODERN ASPECTS OF BULK CRYSTAL AND THIN FILM PREPARATION_2 pot
... orientation of the thin film In order to generate the new piezoelectric thin film, a crystal growth process of the thin film should be predicted accurately The stable crystal cluster of the thin film, ... 2004) Thus, the study of deposition and growth of AlN films with the addition of oxygen is a relevant subject of scientific and technological current interest Thin films of AlN (pure and oxidized) ... The addition of oxygen into a growing AlN thin film induces the production of ionic metal-oxygen bonds inside a matrix 288 Modern Aspects of Bulk Crystal and Thin Film Preparation of covalent...
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MODERN ASPECTS OF BULK CRYSTAL AND THIN FILM PREPARATION docx
... chapters on growth of thin films and low-dimensional structures, covering topics on AlN thin films, influence of the substrate temperature on the properties of semiconducting films, ZnO mesostructures ... formation of an elementary crystal layer of thickness dδc per unit area, the amount of heat released is 18 Modern Aspects of Bulk Crystal and Thin Film Preparation λρdδc (λ denotes the latent heat of ... power of 2.73 W with a slope efficiency of 70% Preliminary tests regarding the laser operation of the thin- disk Yb:SSO laser were presented with 9.4 W of output power with an optical efficiency of...
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Báo cáo vật lý: "Electrical Conductivity of Chlorophyll with Polythiophene Thin Film on Indium Tin Oxide as P-N Heterojunction Solar Cell" ppsx
... thickness of the CHLO thin film affects the performance of the ITO/PT/CHLO thin film; which the ability of the thin film to conduct electricity could be better with the combination of thinner CHLO thin ... is CHLO thin film which had been deposited on the PT thin film layer using spin coating method 2.4 Electrodeposition of PT by Electrochemistry Method PT thin film was be deposited by electrochemistry ... the bi-layer solid of PT and CHLO on ITO (ITO/PT/CHLO) substrate thin film to the electrical conductivity of the thin film METHODOLOGY Figure shows the layer of thin film sample of ITO/PT/CHLO that...
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Reliability and aging mechanisms of all solid state thin film lithium ion microbatteries
... reliability of thin film electrode, based on the theoretical analysis of interfacial mechanics Using this method, the degradation of interfacial reliability and aging phenomenon of thin film electrodes ... cells, the main difference of flat thin film batteries is the thin film electrode/electrolyte with small dimensions Typically, the solid state electrolyte has a thickness of approximately μm, while ... Plastic depth into the thin film line for Microwedge Indentation Test Ef Elastic modulus of the thin film or Fermi energy level Ef’ Effective elastic modulus of the thin film Ev Vacuum level G...
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Solid state dewetting of magnetic binary alloy thin films and application as nanowire and nanotube growth catalysts
... for agglomeration of Si thin film Estrain Strain energy change for agglomeration of Si thin film Hvap Enthalpy of Si evaporation η Normalized film profile θ Contact angle of a droplet with ... process of a thin film 1.2 Dewetting of Thin Film Dewetting is a dynamic process which occurs when thin film in a non- equilibrium state evolves into equilibrium state of one droplet or a set of droplets ... thickening, (c) Deepening of the valley ahead of the rim, (d) pinch-off.31 The kinetics of the thin film surface evolution is described in term of the normal velocity of the surface Vn as,39 ...
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Application of biased scanning probe microscopy techniques for multifunctional characterization of bifeo3 and zno thin films
... properties of thin films, which are not the part of this thesis as the work is not directly related: i A Kumar and K Y Zeng, Measurement of hardness of ultra -thin films by the first derivation of load-displacement ... method to calculate the hardness of thin films from nanoindentation data”, 4th International conference on Technological Advances of Thin Films & Surface Coatings (ThinFilms2008), Singapore, July ... materials 147 10.3.3 Mechanical properties of multiferroic thin films 147 149 Appendix A: Effect of magnetic field on BFO thin films 150 B: Effect of dc bias on KPFM measurement 151 ix Summary...
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Structure and properties of lead zirconate titanate thin films by pulsed laser deposition
... scans of the thin films The films were first mounted onto a glass slide The xray was produced by impinging a copper target with an electron beam of 30 kV with a current of 20 mA An incident slit of ... the microstructure of the PZT thin films and the correlation between the structure and performance properties of the PZT films The early growth stage of the PZT film on SrTiO3 (STO) substrate ... method 61 Figure 4.2 Surface SEM images of the PZT thin films deposited by (a) PLD method and (b) sol-gel method; Cross-sectional SEM images of the PZT thin films grown by (c) PLD and (d) sol-gel...
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Preparation of oriented molybdenum disulfide thin films for photoelectrochemical energy havesting applications
... cm (b) Optical image of an evaporated nm-thick MoO x film (c) Optical image of the MoS film from sulfurization (800 °C, 30 mins) of a nm-thick MoOx film (d) Optical image of the MoS2 film from ... profile showing the thickness of the MoO x film (c) AFM image of the MoS2 film from sulfurization of the nm-thick MoOx film (d) A selected cross-sectional height profile showing the thickness of ... MoOx film with a thickness of nm and the roughness of the film is ~ 0.3 nm (b) A selected cross-sectional height profile showing the thickness of the MoOx film (c) AFM image of the MoS film from...
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Nanomechanical characterization of BD (low k) thin films and cu BD multilayered stacks
... characterization of BD (low-k) thin films and Cu/BD multilayered stacks ii Table of Contents TABLE OF CONTENTS PREFACE i ACKNOWLEDGEMENTS ii TABLE OF CONTENTS iii SUMMARY vii LIST OF FIGURES ix LIST OF TABLES ... profiles as a function of normal load for all BD films tested with ramp loading of 50 mN Arrows indicate critical load (Lc) 65 Fig 7: Optical micrographs of scratch tracks made on BD films of ... (low-k) thin films and Cu/BD multilayered stacks 90 v Table of Contents CHAPTER DISCUSSION 5.1 Thickness dependence of nanomechanical properties of BD (Black diamond TM, low-k) thin films 5.1.1...
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Applications of q-deformed Fermi-Dirac statistics and statistical moment method to study thermodynamic properties, magnetic properties of metals and metallic thin films
... under the effect of pressure 3.2.1 Equation of state of metallic thin film Equation of state plays an important role determining the properties of thin film under the effect of pressure Since ... modulus of thin films have the same laws and posture change of bulk materials When the thickness of thin films increases from 20 nm to 70 nm, thermodynamic properties of metallic thin film return ... expansion coefficient of thin films approaches the value of the bulk At room temperature, the coefficient of thermal expansion of the Al and Pb thin films increase with the increasing of thickness These...
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DSpace at VNU: Molecular simulation of freestanding amorphous nickel thin films
... dependence of the logarithm of diffusion constant (ln D) in the system, the straight lines serve as guide for eyes; (d) temperature dependence of surface energy of Ni thin film All figures of thin films ... constant of atoms in the system with free surfaces is higher than that of the bulk (Fig 1c) On the other hand, surface energy of Ni thin films has been calculated via following equation: thin film ... structure of the system can give deeper understanding of a glass formation in the thin films The evolution of various quantities related to the structure of liquid and amorphous Ni thin films can...
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