optical electrical and electrochemical applications

thin film metal-oxides

Ngày tải lên : 28/04/2014, 10:53

... modern applications in solid state electronics and solid state ionics in view of energy research and information technology It highlights the significance of electronic and ionic defects and their ... that the ionic and electronic charge carriers are not just important for electrical or electrochemical properties, they are also reflecting the internal redox and acid base chemistry and are thus ... Fundamentals and Applications in Electronics and Energy, DOI 10.1007/978-1-4419-0664-9 1, c Springer Science+Business Media, LLC 2010 T.T Fister and D.D Fong fluence the resulting structure and electronic...

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CHEMISTRY, ELECTROCHEMISTRY, AND ELECTROCHEMICAL APPLICATIONS docx

Ngày tải lên : 06/07/2014, 22:20

... metals, especially copper and steel, with aluminum as a sacriﬁcial anode Chemistry, Electrochemistry, and Electrochemical Applications | Aluminum For cathodic protection applications, it is important ... namely, high electrical conductivity, fast electrode kinetics and hence less polarization, and wider electrochemical windows Aluminum can be electrodeposited from these nonaqueous media and therefore ... Deltombe and M Pourbaix (1958) constructed a potential–pH diagram for the aluminum–water system Later, D D MacDonald and P Butler (1973) considered Al3þ, Al(OH)2þ, and AlO2À ionic species and their...

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Four wave mixing in optical fibers and its applications by osamu aso , masateru tadakuma and shu namiki

Ngày tải lên : 16/07/2014, 08:55

... light and pumping light carefully aligned and without the use of a polarizer (see Figure 3) Measurements of input probe light were taken with an optical power meter and of output power with an optical ... the coupler, and the states of polarization of the pumping and signal at input into the HNL-DSF are in alignment The output was measured by an optical spectrum analyzer to find idler optical power ... could be carried out by all -optical means 23), 24) This was because it was realized that as dispersion-managed systems become more widely used and the demand for RDF and other fiber having normal...

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Defect mediated novel structural, optical, electrical and magnetic properties in ti1 xtaxo2 thin films

Ngày tải lên : 09/09/2015, 18:49

... O2p and Ti3d bands exists in the anatase polymorph too Even though, the electronic band structure for the anatase and the rutile structures are not that different their electrical transport, optical ... material with electrical conductivity lower than that of a metal (104 Scm-1) and higher than that of an insulator (10-10 Scm-1) In terms of the band structure and band gaps, a band semiconductor ... O K edge of the pure TiO2 and Ti1-xTaxO2 (x~0.06) films grown at 600 and 750°C where µ+ and µ- are parallel and antiparallel alignments between the photon helicity and the sample magnetisation...

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braunovic - electrical contacts - fundamentals, applications and technology

Ngày tải lên : 03/04/2014, 12:27

... positive and negative circuit clamps are called the anode and cathode, respectively Electrical contacts provide electrical connection and often perform other functions The primary purpose of an electrical ... important and widely used types of sliding contacts include contacts of electrical machines, current pick-offs of transport and lifting machines, and of radio-electronic devices, and control and automatic ... foundation of modern standards Optical methods using electromagnetic radiation have become popular There are electrical and thermal methods using various electrical phenomena and heat transfer through...

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Báo cáo hóa học: " Effects of silver impurity on the structural, electrical, and optical properties of ZnO nanowires" doc

Ngày tải lên : 20/06/2014, 22:20

... very sensitive tool for the characterization of acceptor/donor impurities and is helpful in understanding the optical and electrical performances of the materials We focused on the temperature-dependent ... were cleaned in acetone and methanol for 20 and rinsed in de-ionized water for The 1, 3, and wt % SZO (5SZO) NWs are grown in a furnace at 800°C with argon gas of 90 sccm and a working pressure ... (Ag 3d5/2) of the SZO NWs are observed at 369.7 and 369.3 for 3SZO and 5SZO NWs, respectively shown in Figure The 3SZO and 5SZO NWs show Zn, O, and Ag orbital in Figure 4b, c However, in case...

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Báo cáo hóa học: " Effect of Composition on Electrical and Optical Properties of Thin Films of Amorphous GaxSe1002x Nanorods" pptx

Ngày tải lên : 21/06/2014, 17:20

... requires a well-established knowledge of the electrical and optical properties of GaSe thin ﬁlms, in this paper, we report the results on electrical and optical measurements of amorphous thin ﬁlms ... lone-pair states and hence broaden the valence band This will give rise to additional absorption over a wider range of energy leading to band tailing and hence shrinking of the band gap The optical gap ... applications for frequency doubling and fast optical gating [11] and behaves as an X-ray detector [12] Electronic and optoelectronic properties of GaSe, GaS, and InSe materials indicate the possibilities...

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position-sensitive devices and sensor systems for optical tracking and displacement sensing applications

Ngày tải lên : 03/10/2014, 22:39

... devices and sensor systems for optical tracking and displacement sensing applications Department of Electrical Engineering, University of Oulu, P.O.Box 4500, FIN-90014 University of Oulu, Finland ... standard CMOS technology The circuit and layout design work was done jointly by Prof Timo Rahkonen (Papers X and XIII), Dr Tarmo Ruotsalainen (Paper XI and XIV) and the author (Papers XII and ... optical sensor systems for tracking and displacement sensing are needed in industrial and commercial applications Typical examples include centring and focusing of the pick-up laser beam in optical...

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Studies of cobalt and iron oxidesoxyhydroxides nanostructures for electrochemical applications

Ngày tải lên : 10/09/2015, 09:27

... et al.46 and Han et al.47 1.5 Properties of cobalt compounds relevant to electrochemical applications 1.5.1 Electrochemical capacitance and electrochemistry of cobalt compounds Early electrochemical ... Co 2p3/2 (upper spectra) and O 1s (lower spectra) core levels for CoOOH (a and c) and Co3O4 (b and d) nanosheet arrays, respectively 65 3.8 CVs obtained using CoOOH (a) and Co3O4 (b) electrodes ... oxidation and to explore their potential electrochemical applications The specific research activities and aims of each chapter in this thesis are summarized as below: Chapter  to investigate the electrochemical...

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Structural, electrical and optical studies on the effects of rapid thermal processing on silicon germanium carbon films

Ngày tải lên : 17/09/2015, 17:18

... (structural, electrical, and optical) of as-prepared and rapid thermal processed (oxidation and annealed) Si1−xGex and Si1−x−yGexCy alloys grown by RTCVD The structural properties of the as-prepared and ... Si1-xGex and Si1−x−yGexCy (x=10%, 20%, and 30%, y varied between 0% and 3%) and tensile strained Si1-yCy and Si1-x-yGexCy (y=1%, 2%, and 3%, x varied between 0% and 30%) plotted as a function of the ... the E1 and E1+∆1 band gaps of relaxed Si1−xGex/Si and the 29 viii estimated band gaps of strained layer using Eq (2.11)-(2.15) Fig 2.9 Valence-band offsets for compressive strained Si1-xGex and...

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Hydraulic modeling of open channel flows over an arbitrary 3-d surface and its applications in amenity hydraulic engineering

Ngày tải lên : 06/11/2012, 10:35

... following published and/ or accepted journal and conference papers: Anh T N and Hosoda T.: Depth-Averaged model of open channel flows over an arbitrary 3D surface and its applications to analysis ... gratitude and sincere thanks to Professor Dr Takashi Hosoda who suggested me this research topic, and provided guidance, constant and kind advices, encouragement throughout the research, and above ... and Vreugdenhill, C B 1973 Calculations of two-dimensional horizontal flow Rep S163, Part 1, Delft Hydraulics Laboratory, Delft, The Netherlands Steffler M P and Jin Y C 1993 Depth averaged and...

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English morpheme system and some applications of learning morpheme in establishing words

Ngày tải lên : 08/04/2013, 09:31

... -s, and re- near the grammatical end of the continuum are called grammatical morphemes Note that grammatical morphemes include forms that we can consider to be words like the, a, and, and of and ... internet, and some valuable books of foreign and domestic scholars We think these are valuable sources to effectively support for our study + Comparison: we gave out the similarities and differences ... first of all, we should understand deeply about its morpheme system Living in a community, human beings need a tool to communicate with each other, and to carry on human and social affairs They, therefore,...

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A CFD analysis of transport phenomena and electrochemical reactions in a tubular-shaped PEM fuel cell

Ngày tải lên : 05/09/2013, 14:58

... able to: (1) understand the many interacting, complex electrochemical and transport phenomena that cannot be studied experimentally; (2) identify limiting steps and components; and (3) provide a ... to the development and optimization of fuel cells, improve long-term performance and lifetime, the introduction of cheaper materials and fabrication techniques, and the design and development of ... right hand side, accounts for the heat exchange to and from the solid matrix of the GDL The gas phase and the liquid phase are assumed to be in thermodynamic equilibrium, i.e., the liquid water and...

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Fourier and Spectral Applications part 9

Ngày tải lên : 17/10/2013, 22:15

... *prob=1.0-pow(1.0-expy,effm); 584 Chapter 13 Fourier and Spectral Applications } CITED REFERENCES AND FURTHER READING: Lomb, N.R 1976, Astrophysics and Space Science, vol 39, pp 447–462 [1] Barning, ... Nyquist frequency, and ﬁlls array py[1 np] with the values of the Lomb normalized periodogram at those frequencies The arrays x and y are not altered np, the dimension of px and py, must be large ... evaluation of equations (13.8.4) and (13.8.5), the Lomb normalized periodogram, with exactly that method’s strengths and weaknesses This fast algorithm, due to Press and Rybicki [6], makes feasible...

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Fourier and Spectral Applications part 10

Ngày tải lên : 20/10/2013, 17:15

... Fourier and Spectral Applications ﬁrst sum, s = (t − a)/∆ in the second sum The result is M I ≈ ∆eiωa W (θ) hj eijθ + j=0 hj αj (θ) (13.9.8) j=endpoints Here θ ≡ ω∆, and the functions W (θ) and αj ... the DFT and the endpoint correction to be added Input is the angular frequency w, stepsize delta, lower and upper limits of the integral a and b, while the array endpts contains the ﬁrst and last ... and we need explicit forms only for the functions W, α0 , α1 , α2 , α3 , calculated with equations (13.9.9) and (13.9.10) We have worked these out for you, in the trapezoidal (second-order) and...

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Theory and Design of Electrical and Electronic Circuits

Ngày tải lên : 23/10/2013, 16:15

... System Bibliography Theory and Design of Electrical and Electronic Circuits _ Introduction Spent the years, the Electrical and Electronic technology has ... Theory and Design of Electrical and Electronic Circuits Index Introduction Chap 01 Generalities Chap 02 Polarization ... feedback) and A0 = ∞ This last one will give, using it like linear amplifier, exits limited in the power supply VCC and therefore voltages practically null differentials to input his On the other hand,...

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Electronics - Theory and Design of Electrical and Electronic Circuits

Ngày tải lên : 27/10/2013, 16:15

... System Bibliography Theory and Design of Electrical and Electronic Circuits _ Introduction Spent the years, the Electrical and Electronic technology has ... Theory and Design of Electrical and Electronic Circuits Index Introduction Chap 01 Generalities Chap 02 Polarization ... feedback) and A0 = ∞ This last one will give, using it like linear amplifier, exits limited in the power supply VCC and therefore voltages practically null differentials to input his On the other hand,...

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Real-Time Digital Signal Processing - Chapter 7: Fast Fourier Transform and Its Applications

Ngày tải lên : 28/10/2013, 05:15

... ifft(x,N) ; The characteristics and usage of ifft are the same as those for fft 322 7.3 FAST FOURIER TRANSFORM AND ITS APPLICATIONS Applications FFT has a wide variety of applications in DSP Spectral ... TRANSFORM AND ITS APPLICATIONS Periodicity Because of the periodicity property shown in Figure 7.1, the DFT and IDFT produce periodic results with period N Therefore the frequency and time samples ... advantages, and disadvantages Each FFT has different strengths and makes different tradeoffs between code complexity, memory usage, and computation requirements The FFT algorithm introduced by Cooley and...

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Tài liệu Fuzzy Logic and NeuroFuzzy Applications in Industrial Automation doc

Ngày tải lên : 13/12/2013, 01:15

... such as AND, OR, and NOT The first set of operators that has been proposed [10] is given in figure These three operators are used in the majority of today's fuzzy logic applications AND: µ A∨B ... Explicit, verification and optimization easy and efficient (+++) None, you have to define everything explicitly (-) Figure 13: Both neural nets and fuzzy logic have its strengths and weaknesses In ... "if-then" format: IF Distance = far AND Angle = zero THEN Power = pos_medium 2a IF Distance = far AND Angle = neg_small THEN Power = pos_big 2b IF Distance = far AND Angle = neg_big THEN Power =...

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Tài liệu Creating Applications with Mozilla-Chapter 6. Packaging and Installing Applications-P1 docx

Ngày tải lên : 14/12/2013, 12:15

... later The package manifests for content and new applications which may include new content, skin, and locale information have an identical syntax and a very similar structure, as you will ... browser commands with mouse movements You can package new Mozilla development tools and libraries like JSLib (see Chapter 5) You can also create installations for entirely new Mozilla applications ... the manifests and other necessary files Then the Installation section shows how you can put your package in a XPI file and create installation script(s) so it can be distributed and installed...

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