... p-type semiconductor, therefore the improvement of the hybrid CNTs/SnO2 -based sensor was attributed to additional nanochannel for gas diffusion and p/n junctions formed by CNTs and SnO2 [9] ... embedded by spherical tin oxide nanoparticles Our sensing element is of a thin film type Therefore, the morphology of the composite thin film after the heat treatment at 550oC in the vacuum was also ... proposed by B.-Y Wei and et al [9] seems to be reasonable for the explanation This model was applied for SWCNTs doped SnO2 somehow, we can apply for our case The model has been hypothesize that CNTs/SnO2
Ngày tải lên: 11/01/2020, 23:09
... parameter of thin films with various Cu2+: MEA molar ratios 36 Table 3.2 The lattice parameter of thin films with Cu2+ ions concentration 39 Table 3.3 The lattice parameters of thin films with ... organic and inorganic chemical monomers for the preparation of the thin film at normal pressure (AP-AP-PECVD offers many great potentials for the deposition of thin films over large surface areas such ... seconds and 1500 rpm for 40 seconds Step 2: The sample was pre-heated at 90oC for 3 minutes in an air and cooled for 3 minutes for each layer To obtain the desired thickness of CuO thin film, the
Ngày tải lên: 17/03/2021, 08:54
solution processed cu2sns3 thin films for visible and infrared photodetector applications
... Cu2SnS3 thin films has not been studied So in this paper we have studied the photo response of solution processed Cu2SnS3 thin films under different sun illuminations Also the IR photo response for ... was made Finally the film was dried at 135◦C for 10 min and then annealed in a tube furnace at 250◦C for one hour The phase formation of the CTS films was confirmed using X-ray diffraction (XRD) ... spacings d for different 2θ angles and the crystallite sizes are also shown in the table The formation of the Cu2SnS3thin film occurs via the thermolysis of the metal thiourea com-plex formed by
Ngày tải lên: 04/12/2022, 16:38
Growth and characterization of nickel oxide thin films and nanostructures for novel device applications
... Growth of Thin Films and Nanowires 29 3.1.1 Sputtering for thin film growth 29 3.1.2 Chemical bath deposition for porous film growth 30 3.1.3 Anodization, electrodeposition and oxidation for nanowire ... structure for optimizing the device performance Additionally, NiO thin films fabricated by thermal oxidation of evaporated Ni film are also characterized for comparison with the sputtered films ... OF NICKEL OXIDE THIN FILMS AND NANOSTRUCTURES FOR NOVEL DEVICE APPLICATIONS REN YI (B Eng, NUS) A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR OF PHILOSOPHY NUS Graduate School for Integrative
Ngày tải lên: 09/09/2015, 10:07
Exchange bias characteristic in co pd n FEMN bi layered thin films with perpendicular anisotropy and the applications for spin valves in spintronics
... plane and (c) Co/FeMn interface in structure”) exchange biased thin films 79 multi-layered thin films, (b) biased thin films before and after annealing at the fixed temperature of 240 °C with ... biased thin films before and after annealing with different magnetic fields perpendicular to the film direction (e) and (f) Perpendicular and in-plane M-H loops of biased thin films before and ... different seed layer thickness for (a) 110 Figure 5.6 XRD patterns of the 112 115 PEB thin films with Ta deposited at (a) 2 mTorr and (b) 10 mTorr 117 PEB thin films for different Ar pressure of
Ngày tải lên: 10/09/2015, 15:53
Development of Laser Beam Diffraction Technique for Determination of Thermal Expansion Coefficient of Polymeric Thin Films
... materials was charcterized and reported For instance, for used for polycarbonate α = 65 to 70 × 10-6 K-1 [9], for PDMS α = 300 to 320 × 10-6 K-1 [10] and for chitosan α = - 2.5 × 10-3 K-1 [11] ... materials was charcterized and reported For instance, for used for polycarbonate α = 65 to 70 × 10-6 K-1 [9], for PDMS α = 300 to 320 × 10-6 K-1 [10] and for chitosan α = - 2.5 × 10-3 K-1 [11] ... optical properties of the polymer, for instance, nanocrystalline TiO2 (nc-TiO2) particles in poly(3-hexylthiophene) (P3HT), abbreviated to P3HT + nc-TiO2 composite thin films were studied as a photoactive
Ngày tải lên: 19/02/2017, 18:41
DSpace at VNU: Understanding Electrical Conduction States in WO3 Thin Films Applied for Resistive Random-Access Memory
... was used for top electrode patterning The crys-talline phases of the thin films were characterized in h–2h mode using a D8 Advance (Bruker) x-ray (k = 0.154 nm) and by Fourier-transform infrared ... WO3Thin Films Applied for Resistive Random-Access Memory Trang 6In summary, the dominant electrical conductionmechanisms in the Ag/WO3/Pt device under the Similar analyses were carried out for ... polarity biases. Understanding Electrical Conduction States in WO3Thin Films Applied for Resistive Random-Access Memory Trang 10For devices with the same switching direction, i.e.,Ag/WO3/Pt and
Ngày tải lên: 16/12/2017, 04:55
Vapor phase polymerized thin films and seeding polymerized nanofibers membranes of poly (3,4 ethylenedioxythiophene) for optoelectronic applications
... Poly(3,4-ethylenedioxythiophene) Thin Films for Optoelectronic Applications Trang 15In this study, our overall goal is to produce well-characterised PEDOT film for optoelectronic applications by the formation of ... 2THESIS FOR THE DEGREE OF MASTER OF SCIENCE Advisor: Jae-Do Nam, Professor Vapor-phase Polymerized Thin Films and Seeding-polymerized Nanofibers Membranes of Poly(3,4-ethylenedioxythiophene) for ... 3THESIS FOR THE DEGREE OF MASTER OF SCIENCE Advisor: Jae-Do Nam, Professor Vapor-phase Polymerized Thin Films and Seeding-polymerized Nanofibers Membranes of Poly(3,4-ethylenedioxythiophene) for
Ngày tải lên: 28/01/2021, 15:29
Theoretical methods for understanding advanced magnetic materials: The case of frustrated thin films
... equations Performing the Fourier transform in the xy plane, one obtains the solution for the spin-wave spectrum (ii) the spin-wave theory using for example the Holstein-Primakoff spin operators for an ... desire of scientific community to search for new and high-performance materials for new appli-cations In parallel to this intensive development, many efforts have been devoted to understanding ... materials This method can be used for collinear spin states and non collinear (or canted) spin configurations as seen below (vi) For all systems, in particular for complicated systems where analytical
Ngày tải lên: 04/02/2021, 20:11
Theoretical methods for understanding advanced magnetic materials the case of frustrated thin films
... equations Performing the Fourier transform in the xy plane, one obtains the solution for the spin-wave spectrum (ii) the spin-wave theory using for example the Holstein-Primakoff spin operators for an ... desire of scientific community to search for new and high-performance materials for new appli-cations In parallel to this intensive development, many efforts have been devoted to understanding ... materials This method can be used for collinear spin states and non collinear (or canted) spin configurations as seen below (vi) For all systems, in particular for complicated systems where analytical
Ngày tải lên: 17/03/2021, 20:26
Vapor phase polymerized thin films and seeding polymerized nanofibers membranes of poly (3,4 ethylenedioxythiophene) for optoelectronic applications
... Poly(3,4-ethylenedioxythiophene) Thin Films for Optoelectronic Applications Trang 15In this study, our overall goal is to produce well-characterised PEDOT film for optoelectronic applications by the formation of ... 2THESIS FOR THE DEGREE OF MASTER OF SCIENCE Advisor: Jae-Do Nam, Professor Vapor-phase Polymerized Thin Films and Seeding-polymerized Nanofibers Membranes of Poly(3,4-ethylenedioxythiophene) for ... 3THESIS FOR THE DEGREE OF MASTER OF SCIENCE Advisor: Jae-Do Nam, Professor Vapor-phase Polymerized Thin Films and Seeding-polymerized Nanofibers Membranes of Poly(3,4-ethylenedioxythiophene) for
Ngày tải lên: 04/04/2021, 00:24
Structural, surface morphological, optical and electrical properties of InxSey thin films, an absorber layer for photovoltaic cells fabricated by M-CBD method using different
... while 100 °C-annealed thin films exhibit the lowest one among all thin films Although reasonably low thickness of thin films, the low transmittance of fabricated thin films within visible region boundaries ... transmittance spectra of thin films, the highest transmittances were observed for as-deposited thin film among all thin films from 1100 to 600 nm while the lowest ones observed for 100 °C-annealed, 150 ... of InxSey thin films (TA: tartaric acid). Figure 2 The formation of InxSey thin films by M-CBD method. Trang 3Table 1 Lattice parameters of the phases that constituting thin film. Formula Crystal
Ngày tải lên: 13/01/2022, 00:27
Application of diffusive gradient in thin films technique for mercury bioavailability prediction in soil
... applied for entire soil, forest, agricultural, Youngsan river and Hyeongsan river soils analysis 90 Trang 15Chapter 1: Introduction of the diffusive gradient in thin films (DGT) technique for passive ... Trang 1Dissertation for Degree of Ph.D Application of diffusive gradient in thin films technique for mercury bioavailability prediction in soil Nguyen Huu ... 1.1.4 DGT technique for Hg measurement The diffusive gradients in thin films (DGT) is an in-situ sampling technique that was first applied by Davison &Zhang (1994) for the measurement of
Ngày tải lên: 31/10/2022, 07:46
method for aluminum oxide thin films prepared through low temperature atomic layer deposition for encapsulating organic electroluminescent devices
... of 20,000× Both surfaces of the two thin films were smooth, and the quality of the formed thin films was high It was also found that the uniformity of the films were close to one another, and ... any CVD reactions which may occur For exploring the differences of Al2O3 thin film performance brought by high and low temperature ALD deposition, Al2O3 thin films of 50 nm were prepared respectively ... Al2O3 thin films prepared at 80 °C and 200 °C with different thickness The comparison between water permeability of encapsulation thin film at low and high temperatures indicated that the thin films
Ngày tải lên: 02/11/2022, 14:35
Application of diffusive gradient in thin films technique for mercury bioavailability prediction in soil
... in monitoring soil Hg contamination.DGT technique for Hg measurementThe DGT (Diffusive Gradient in Thin Films) technique relies on a driving force that enables solutes to pass through the diffusive ... metacinnabar The chemical form of Hg(II) depends on soil redox potential; in oxidizing environments, it predominantly forms Hg–S compounds, while reducing conditions facilitate the transformation of Hg(II) ... area (A), following the formula Cb = M / (Δg × D × t × A) The diffusion coefficient (D), which is temperature-dependent, can be determined using Equation (2), allowing for accurate assessment
Ngày tải lên: 27/08/2023, 20:51
GERMAN CINEMA: SEVEN FILMS FOR SEVEN DECADES docx
... generated a certain recognition effect for West German cinema in the 1980s These names, as is the mark of auteurship, stand for something more than the films they have signed (The Marriage of ... 1975, and again for a major retrospective of his work in 1979, when The Marriage of Maria Braun was one of the most commercially successful foreign-language films The year before, it had been ... one thinks of German films as art cinema: serious, but lacking show values Art films did existed in the Teens, not least thanks to the import of film talent from Denmark, the nation known for
Ngày tải lên: 23/03/2014, 11:20
properties and sensor performance of zinc oxide thin films
... ZnO films (compact layer) and (b) Al doped ZnO films (porous layer) for ZnO micro array sensors 120 5.5 Schematic elementary contributions for current flow and equivalent circuits of ZnO thin films ... 17 Yong-Ki Min, “Low temperature formed thin film actuated mirror array”, US Patent No 5, 706, 121 (1998) 18 Yong-Ki Min, “Method for forming an array of thin film actuated mirrors”, US Patent ... Performance of Zinc Oxide Thin Films 1990 - M.S., Metallurgical Engineering, Yonsei University, Seoul, KOREA Thesis title: Characterization of Defects in Sputtered AlN Protective Thin Film for
Ngày tải lên: 28/05/2014, 14:44
Báo cáo hóa học: " Electrospray deposition of polymer thin films for organic light-emitting diodes" pot
... applicable to large-area device fabrication Much effort has been made for solution process development that can form nanoscale -thin organic films with a large area while minimizing material wastes ... performance made by the electrospray process The summary of device performances is in Table To investigate the difference between electrospray and spin-coating processes, PVK thin films were formed ... the electrospray process to organic thin films in OLEDs was demonstrated in small-scale devices [12] In this work, we demonstrated nanoscale-thick organic thin films using the electrospray process...
Ngày tải lên: 20/06/2014, 23:20
Preparation and characterization of ferroelectric thin films for tunable and pyroelectric applications
... associated with thin films are thought to have significant effects [21-23] Studies on ferroelectric thin films are therefore complicated The performance of a specific ferroelectric thin film is ... potential of BTS thin films The efforts toward improving the tunable and pyroelectric properties of BTS thin films have demonstrated the appealing prospective applications of BTS thin films in the relevant ... 2.1 Competing technologies for tunable circuits…………………… ….…26 Table 3.1 Deposition conditions for BTS thin films ……………………………39 Table 3.2 Properties of the BTS thin films with different thicknesses……………52...
Ngày tải lên: 10/09/2015, 15:48
A study of a fe2o3 thin films for the oxygen evolution reaction in water photolysis
... α-Fe2O3 thin films The synthesis of α-Fe2O3 thin films by a two-step process comprising the electrodeposition of thin iron films and the calcination of the iron films in air at 650℃ to form hematite ... 2θ (degrees) Fig 3.1 XRD patterns of (a) as-deposited iron thin films, (b) α-Fe2O3 thin films obtained from the as-deposited iron thin films after two hours of calcination in air at 650 oC (c) ... iron thin film, (b) cross-sectional view of α-Fe2O3 thin film formed by calcining the as-deposited iron thin film in air for two hours at 650oC, (c) and (d) the top views of the α-Fe2O3 thin...
Ngày tải lên: 26/09/2015, 10:05