nanostructured materials basic concepts microstructure and properties

... exhibit interesting electrical and optical properties as light emitting diode materials, 26 and photovoltaic materials. 27 Applications in various electrochromic devices and amperometric chemical sensors ... attractive thin film materials. 28 Thus carbazole incorporated polymers are potential candidates for tuning the optical and electrical properties of light emitting and semiconducting organic materials. ... optical materials, 21 light-emitting,22 and hole-transporting materials. 23 This is due to their inherent electron-donating nature, excellent photoconductivity, and unique nonlinear optical properties.

Ngày tải lên: 14/09/2015, 18:37

... C12PPPOH and C18PPPOH. The band gap of the polymer was calculated and C12PPPOH has low band gap of 2.59 eV as compared to the C6PPPOH and C18PPPOH (3.1 eV and 2.61 eV). The optical band gaps ... C18PPPOH The band gap of the polymer was calculated and C12PPPOH has low band gap of 2.59 eV as compared to the C6PPPOH and C18PPPOH (3. 1 eV and 2.61 eV) The optical band gaps estimated ... forming and optoelectronic properties. Interestingly, there is no difference in the absorption and emission spectra of the polymer in solid state as compared to the solution. The absorption and PL properties

Ngày tải lên: 14/09/2015, 18:37

... dissolved in chloroform and the absorbance and emission properties were studied. The polymers, C6PPPOH, C12PPPOH and C18PPPOH, showed a strong absorption (λabs = 335, 345 and 331 nm) and intense blue ... sensor and display technologies is rapidly expanding owing to their interesting electrical, luminescent, and photo conducting properties. 1-6 To fabricate devices, the preparation of nanostructured ... polymer backbone, such as C6PPPOH, C12PPPOH and C18PPPOH (Figure 2.1) to control the formation and characterization of optical properties of LS monolayer and LBK multilayer films. OH OH OH x

Ngày tải lên: 14/09/2015, 18:38

... occupied π-band (valence band) of the polymer and the lowest unoccupied molecular orbitals (LUMO) form the π*-band (conduction band) of the polymer. As a consequence of the band alternation, band gap ... the study and discovery of new conducting polymeric systems. The electronic and optical properties of conjugated polymers, coupled with their processability and interesting mechanical properties ... AFM and SPR techniques were used to characterize the formation and properties of monolayer and multilayers of the polymers. In Chapter we investigated the correlation between photophysical properties

Ngày tải lên: 14/09/2015, 18:38

... MICROSTRUCTURE AND MAGNETIC PROPERTIES OF COZR AND CO-DOPED TIO2 THIN FILMS YAO XIAOFENG NATIONAL UNIVERSITY OF SINGAPORE 2003 MICROSTRUCTURE AND MAGNETIC PROPERTIES OF COZR AND CO-DOPED ... TEM and XRD experiments I also thank Lim Boon Chow and Dr Branko Tomcik for their great help and support in sputtering system And thanks to Dr Sun Chengjun for the fruitful discussion in the microstructure ... concentration, and different post-annealing conditions XPS analysis on the binding state of Co and Ti atoms in the thin films were reported for the first time for this system Microstructure and magnetic

Ngày tải lên: 26/11/2015, 12:15

... i and ii only b ii and iii only c i and iii only D i, ii, and iii Accounting information systems incorporate interrelated activities such as: a Debiting and crediting accounts b Developing and ... information systems only c Finance and information systems only D Management, finance and information systems 50 Free Test Bank for Accounting Information Systems Basic Concepts and Current Issues 2nd edition ... (iii) evaluating internal controls a i and ii only b ii and iii only C i and iii only d i, ii and iii A well-designed accounting information system recognizes and adapts to the cost-benefit constraint

Ngày tải lên: 09/03/2017, 08:28

... land reported at historical cost B Consistency, land reported at historical cost C Matching, land is not depreciated D Gain, difference between historical cost and current market value for land ... A.Documents and data B Data and information C Documents and information D Documents, data and information An accounting information system is a set of interrelated: A.Activities and documents ... could be considered: (i) an input, (ii) an output, (iii) a document A.I and II only B I and III only C II and III only D I, II and III Accounting information systems is an important area of study

Ngày tải lên: 10/03/2017, 10:44

... numbering, (ii) physical security, (iii) equality of debits and credits A I and II only B I and III only C II and III only D I, II and III 22 Requiring _ on certain source documents is associated ... numbering, (ii) physical security, (iii) equality of debits and credits A I and II only B I and III only C II and III only D I, II and III BLOOM: Knowledge Difficulty: Easy Hurt - Chapter 02 ... A and B D Neither A nor B 45 Information technology can be an important tool in which of the five generic elements of an AIS? A Inputs and outputs only B Outputs and storage only C Processes and

Ngày tải lên: 08/09/2017, 09:05

... numbering, (ii) physical security, (iii) equality of debits and credits A I and II only B I and III only C II and III only D I, II and III 22 Requiring _ on certain source documents is associated ... amounts to record in the AIS, (iii) reporting financial results A I and II only B I and III only C II and III only D I, II and III 10 The definition of accounting has three principal elements ... words, two similarities and two differences between "accounting" and "bookkeeping." Similarities between accounting and bookkeeping include their focus on economic information and the necessity of

Ngày tải lên: 08/09/2017, 09:05

... Systems Basic Concepts and Current Issues 3rd Edition An accounting information system is a set of interrelated: A Activities and documents only B Activities and technologies only C Documents and ... (iii) a document A I and II only B I and III only C II and III only D I, II and III Eugene is a self-employed business owner In February 2011, he gathered together his income and expense records ... land reported at historical cost B Consistency, land reported at historical cost C Matching, land is not depreciated D Gain, difference between historical cost and current market value for land

Ngày tải lên: 14/11/2017, 16:02

... 1577 K Bartscher and San174 T = 1373 K Bartscher and San174 T = 1273 K Bartscher and San174 T = 1123 K Bartscher and San174 T = 973 K Bartscher and San174 T = 873 K Bartscher and San174 -200 -300 ... Belle and Berman,221 Sabioni et al.222), and hence complementary ab initio and MD calculations by Terentyev,80 Stan and Cristea,150 Stan,154 Andersson et al.,168 Vincent-Aublant et al.,219 and ... I00O Eact and Ef set for activation and formation energies, respectively FP, V, and I set for Frenkel pair, vacancy, and interstitial, respectively 50 Thermodynamic and Thermophysical Properties

Ngày tải lên: 03/01/2018, 16:45

... been reported by Alexander et al.,65 Olson and Mulford,42 70 Thermodynamic and Thermophysical Properties of the Actinide Nitrides : Suzuki et al.61 : Kent and Leary68 : Sheth and Leibowitz et al.69 ... also reported these are difficult to obtain and handle and are scarce Some properties of the inert matrix fuels such as (An,Zr)N solid solution and AnN and TiN mixture have been obtained through ... stability and other properties of pure CmN Some data on Cm and U or Pu solid solutions have been reported, and these will be discussed in the next section 2.03.2.5 Nitride Solid Solutions and Mixtures

Ngày tải lên: 03/01/2018, 16:46

... (23) where and are both random numbers between and Analogously, the chaos for the location of the particles is represented by (24) where is a random number between and and is another random number ... SWARM OPTIMIZATION: BASIC CONCEPTS, VARIANTS AND APPLICATIONS IN POWER SYSTEMS a random number between zero to one with uniform distribution; a random vector with magnitude of one, and its angle is ... constant between zero and one that establishes the point between and the local the global that is a standard debest viation from both; a zero-mean Gaussian random number with standard deviation of...

Ngày tải lên: 22/09/2016, 20:24

... H., Nanostructured Materials: State of the Art and Perspectives, NanoStructured Materials, 6:3 (1995) Edelstein, A S., and Cammarata, R C., (eds.), Nanomaterials: Synthesis, Properties, and Appplications, ... Progress in Materials Science, 33:223–315 (1989) Siegel, R W., Nanostructured Materials Mind Over Matter, Nanostructured Materials, 3:1 (1993) Hadjipanayis, G C., and Siegel, R W., Nanophase Materials: ... science and technology and included assessments of the areas of synthesis and assembly, dispersions and coatings, high surface area materials, functional nanoscale devices, bulk nanostructured materials, ...

Ngày tải lên: 04/06/2014, 14:58

... Thornsen, J Maultzsch Carbon Nanotubes Basic Concepts and Physical Properties S Reich, C Thornsen,J Maultzsch Carbon Nanotubes Basic Concepts and Physical Properties W I LEYVCH WILEY-VCH Verlag ... Introduction electronic hand structure in the optical range and near the Fermi level (Chaps and 5) We introduce the reader to thc elastic properties of nanotubes in Chap and lo basic concepts in Raman ... the electronic and vibrational properties in the corresponding chapters in detail We now know the most basic properties of single-walled carbon nanotubes, their diametcr, chirality, and the lattice...

Ngày tải lên: 04/06/2014, 15:05

... Classification Underfitting and Overfitting Missing Values Costs of Classification © Tan,Steinbach, Kumar Introduction to Data Mining 50 Underfitting and Overfitting (Example) 500 circular and 500 triangular ... – Class counts in each of the partitions, A < v and A ≥ v Simple method to choose best v – For each v, scan the database to gather count matrix and compute its Gini index – Computationally Inefficient! ... to Data Mining 46 Stopping Criteria for Tree Induction Stop expanding a node when all the records belong to the same class Stop expanding a node when all the records have similar attribute values...

Ngày tải lên: 15/03/2014, 09:20

... each candidate itemset – To reduce the number of comparisons, store the candidates in a hash structure • Instead of matching each transaction against every candidate, match it against candidates ... structures to store the candidates or transactions – No need to match every candidate against every transaction © Tan,Steinbach, Kumar Introduction to Data Mining 11 Reducing Number of Candidates Apriori ... Generate length (k+1) candidate itemsets from length k frequent itemsets • Prune candidate itemsets containing subsets of length k that are infrequent • Count the support of each candidate by scanning...

Ngày tải lên: 15/03/2014, 09:20

... Introduction to Data Mining Applications of Cluster Analysis Understanding – Group related documents for browsing, group genes and proteins that have similar functionality, or group stocks with ... from other regions of high density – Used when the clusters are irregular or intertwined, and when noise and outliers are present density-based clusters © Tan,Steinbach, Kumar Introduction to Data ... problem to a different domain and solve a related problem in that domain – Proximity matrix defines a weighted graph, where the nodes are the points being clustered, and the weighted edges represent...

Ngày tải lên: 15/03/2014, 09:20

... size and therefore for the fifth edition, the decision was taken to divide the book into two volumes: basic concepts and clinical concepts The decision to make the split a purely physical one, and ... periodontium, 48 Basic bone biology, 86 Bone cells, 86 Modeling and remodeling, 87 Growth factors and alveolar bone healing, 88 Local and systemic factors affecting bone volume and healing, 89 ... Richard Palmer and Mena Soory Diabetes mellitus, 307 Type and type diabetes mellitus, 307 Clinical symptoms, 308 Oral and periodontal effects, 308 Association of periodontal infection and diabetic...

Ngày tải lên: 15/03/2014, 12:20

... Andreas Öchsner Lucas F M da Silva Holm Altenbach • Editors Mechanics and Properties of Composed Materials and Structures 123 Editors Andreas Öchsner Department of ... increment and n is the time step; unþ1 _ _ and unþ1 are assumed, unþ1 and unþ1 are corrected values of displacement and velocity; b and c are parameters that determine the stability and accuracy ... Mechanics and Properties of Composed Materials and Structures, Advanced Structured Materials 31, DOI: 10.1007/978-3-642-31497-1_2, Ó Springer-Verlag Berlin Heidelberg 2012 35 36 M M Kheirikhah and...

Ngày tải lên: 16/03/2014, 22:20