... properties of the InGaN quantum structures, including InGaN/GaN quantum wells and InGaN quantum dots 1.3 InGaN/GaN quantum wells and quantum dots InGaN is an important alloy for fabricating III-nitride ... color displays and raised the probability of mixing primary colors - red, green and blue - to obtain white light sources for illumination Most excitingly, when used in place of incandescent light ... material in which the light transmittance increases 17 Chapter Introduction nonlinearly with the incident light intensity In other words, it has lower loss for higher pulse intensities or energies, and...
Ngày tải lên: 14/09/2015, 14:02
... exciton bound to a certain defect level, the binding energy is determined by the bandgap, free exciton binding energy, and the bound exciton binding energy, as illustrated in Fig 2.6 Figure 2.6 ... related with excitons, including free exciton recombination and bound exciton recombination For the free exciton recombination, its binding energy can be obtained according to the hydrogen-atom ... gas lines, including SF6, N2, He, NH3, N2O, and SiH4 The SF6 gas is used for the plasma cleaning The He and N2 gases are used for powder removal and purging after the deposition The SiH4 and N2O...
Ngày tải lên: 14/09/2015, 14:02
Study on ingan gan quantum structures and their applications in semiconductor saturable absorber mirror 3
... recombine radiatively in the wells This is in close agreement with the phenomenon that, in both samples, bands B2 and C2 are the weakest in PL intensity In summary, in the InGaN/GaN MQW samples B and ... absorber As mentioned in Section 1.3, due to their 3D carrier confinement effect, quantum dot structures are gaining increasing interests for application in the optoelectronic devices In the earlier ... in the nanosecond range, indicating that it is indeed a slow absorber In order to achieve short recovery times, both the LT and the HT GaN buffer thicknesses were reduced in samples B and C Their...
Ngày tải lên: 14/09/2015, 14:02
Study on ingan gan quantum structures and their applications in semiconductor saturable absorber mirror 4
... coatings, they might be single quarter-layer, two-layer quarter/quarter, and multi-layer coatings Although multi-layer coatings may provide broader stopbands and lower minimum reflectance, their ... coating is R =( n0 − n12 / ns ) n0 + n12 / ns (4.4) As indicated in Fig 4.3 (a), n1 is the refractive index of the single quarter-layer coating material, and n0 and nS are the refractive indices ... first and second quarter-layer coating materials, respectively, and n0 and nS are the refractive indices of the incident medium (air in most cases) and the substrate material, respectively The minimum...
Ngày tải lên: 14/09/2015, 14:02
Study on ingan gan quantum structures and their applications in semiconductor saturable absorber mirror 5
... fringes was increased and there was only one interference minimum falling into the DBR stopband as can be seen from Fig 5.2 (c) Due to the large refractive index difference between the air and ... fluctuations within the stopband by removing the sapphire substrate and thinning the GaN buffer But then the interface between the thinned GaN buffer and air may also cause interference This ... formed by interfaces B and C can be controlled by thinning the GaN buffer and other epilayers (GaN barriers / cap and QWs) The purpose of thinning these layers is to increase the period of the interference...
Ngày tải lên: 14/09/2015, 14:02
Study on ingan gan quantum structures and their applications in semiconductor saturable absorber mirror 6
... severe interference-induced reflectance fluctuations in the stopband This interference is mainly caused by the as-grown thick high-temperature grown GaN buffer, and it might cause the instability in ... temperature could result in quantum dots with different sizes and densities It would be interesting to investigate the effects of quantum dot size and density on the nonlinear property and recovery dynamics ... effectively reduced by introducing dislocations and defects into the active region through buffer thickness engineering An absorption recovery time as short as 34 ps was achieved by an InGaN/GaN quantum...
Ngày tải lên: 14/09/2015, 14:02
Characteristics of Leachate from Citrus Groves and their Changes in the Collecting Reservoirs in Matsuyama, Japan
... grove from points Sampling points St.1 and St.2 are in the same stream, and sampling point St.3 is in the other stream The two streams flow together to be one stream and the sampling point St.4 is ... and periphery of the Seto Inland Sea The location of the research area and the distribution of the citrus groves in Matsuyama region are shown in Fig Matsuyama is situated in Shikoku Island in ... nitrate and the remaining seemed to be particle component They flowed out mainly during the rainy days - 118 - Journal of Water and Environment Technology, Vol 9, No.2, 2011 CONCLUSIONS In this...
Ngày tải lên: 05/09/2013, 10:17
A study on english food related idioms and proversbs and their equivalents in vietnamese
... confusing in defining, memorizing and using them To overcome these, some solutions are introduced in chapter III such as learning by heart, reading books, magazine, stories pictures and studying ... an insight into the similarities and differences in the use of language and images in English and Vietnamese idioms and proverbs II Some popular English idioms and proverbs relating to food and ... difference and similarities between English and Vietnamese idioms and proverbs Chapter 2: An investigation into English idioms and proverbs relating to food and their equivalence in Vietnamese...
Ngày tải lên: 11/12/2013, 23:48
A study on possessive determiners in english and their equivalents in vietnamese
... commit errors when learning and using possessive determiners in English Errors in using “a” and “the” in possessive determiners In process of studying “possessive determiners”, Vietnamese learners ... determiners use for feelings and thoughts to the person [81] Too many people blame their failings and their unhappiness on luck Scientists have taken a great interest in his ideas (Collin Cobuild, ... when using “possessive determiners” and suggested solutions Errors in word order of possessive determiners and the head noun Errors in using “a” and “the” in possessive determiners ...
Ngày tải lên: 11/12/2013, 23:53
Tài liệu Fundamentals of OOP and Data Structures in Java Richard Wiene ppt
... private Line line1, line2; // Constructor public LineHolder (Line line1, Line line2) { this.line1 = line1; this.line2 = line2; } // Methods public void setLine1 (Line line1) { this.line1 = line1; ... Line(pt1, pt2); Line line2 = new Line(pt3, pt4); Line line3 = new Line(pt5, pt6); LineHolder lineHolder1 = new LineHolder(line1, line2); LineHolder lineHolder2; lineHolder2 = (LineHolder) lineHolder1.clone(); ... public void setLine1 (Line line1) { this.line1 = line1; } public void setLine2 (Line line2) { this.line2 = line2; } public String toString () { return ''line1: " + line1 + " line2: " + line2; } public...
Ngày tải lên: 14/02/2014, 04:20
Tài liệu ALPHABETICAL INDEX OF REPRESENTED ORGANIZATIONS AND THEIR LEGISLATIVE AGENTS BY REGISTRATION NUMBER FOR THE THIRD QUARTER 2002 docx
... Assn 172 NJ Business & Industry Assn 49 NJ Business & Industry Assn 382 NJ Business & Industry Assn 396 NJ Business & Industry Assn 532 NJ Business & Industry Assn 641 NJ Business & Industry Assn ... 1247 Instructional Systems Inc 849 Insurance Auto Auction Inc 365 Insurance Brokers Assn of NJ 100 Insurance Council of NJ 1192 Insurance Council of NJ 1277 Insurance Services Office Inc 755 INTEGRIS ... Saiber Schlessinger Satz & Goldstein LLC 1218 Sandata Inc 551 SAP Public Sector & Education Inc 365 Sarnoff Corp 365 SAS Institute Inc 365 Schering Corp 813 Schering Corp 816 Schering Plough Corp...
Ngày tải lên: 16/02/2014, 10:20
Tài liệu Báo cáo khoa học: Direct identification of hydrophobins and their processing in Trichoderma using intact-cell MALDI-TOF MS docx
... hydrophobins HFBIII of H jecorina and T longibrachiatum, and SRH1 and HFB1 of T atroviride, involving signal peptides, Kex2type processing, and C-terminal amino acid cleavage (Table 2) In addition, the recorded ... terminal amino acid residues of all six hydrophobins providing this single match A rapid means of identifying peaks corresponding to hydrophobins in MALDI-TOF mass spectra was elaborated, making ... mass peak was missing (Fig 3B) Deviating post-translational processing of hydrophobins in H jecorina strains To investigate strain diversity with respect to metabolite production and low-mass proteomics...
Ngày tải lên: 19/02/2014, 02:20
Tài liệu Báo cáo khoa học: The small heat shock proteins and their role in human disease pptx
... formation of huntingtin-containing inclusion bodies in Huntington’s disease encourages cell survival, whereas monomers and small inclusion bodies of huntingtin, a protein possessing abnormal polyQ ... aB-Crystallin R120 corresponds to aA-crystallin R116 and both are conserved a-crystallin domain arginines R120G aB-crystallin permits intermediate filament self association in vitro, although binding ... aAcrystallin requires this domain [66] Attachment of R116C aA-crystallin to Hsp27 and aB-crystallin increases in comparison to wild type, while binding to cC-crystallin and bB2-crystallin decreases...
Ngày tải lên: 19/02/2014, 18:20
Tài liệu Báo cáo khoa học: "Applications of GPC Rules and Character Structures in Games for Learning Chinese Characters" doc
... ability to detect and apply phonological consistency in GPCs, including the roles of PCs in PSCs in Chinese, plays an instrumental role in learners’ competence in reading Chinese Phonological ... Tzeng, and D.-L Hung 2005 Consistency, regularity, and frequency effects in naming Chinese characters, Language and Linguistics, 6(1), 75–107 C.-H Lin and P Collins 2012 The effects of L1 and orthographic ... regularity and consistency in naming Chinese characters Reading and Writing C.-L Liu, M.-H Lai, K.-W Tien, Y.-H Chuang, S.-H Wu, and C.-Y Lee 2011 Visually and phonologically similar characters in incorrect...
Ngày tải lên: 19/02/2014, 19:20
Báo cáo khoa học: Comprehensive sequence analysis of horseshoe crab cuticular proteins and their involvement in transglutaminase-dependent cross-linking potx
... other known cysteine-containing chitin-binding domains [14], such as plant chitin-binding proteins and horseshoe crab antimicrobial peptides with chitin-binding affinity [15–17] Rebers and Willis reported ... chitin-binding proteins in T tridentatus Amino acid compositions of high molecular mass (HMM) chitin-binding proteins HMM chitin-binding proteins resolved by 2D SDS ⁄ PAGE were categorized into ... with asterisks Numbers on the right indicate amino acid residue numbers and DE29 is involved in chitin binding In insects, cuticular proteins containing cysteine residues have not been reported,...
Ngày tải lên: 07/03/2014, 21:20
Báo cáo khoa học: "Towards Finding and Fixing Fragments: Using ML to Identify Non-Sentential Utterances and their Antecedents in Multi-Party Dialogue" ppt
... start with training a model using a baseline set of features, and then add each remaining feature individually, recording the gain (w.r.t the fmeasure (f (0.5), to be precise)), and choosing the best-performing ... said in the introduction, the main task we want to tackle is to align (certain kinds of) NSUs and their antecedents Now, what characterises this kind of NSU, and what are their antecedents? In ... Computing Meaning, volume Kluwer Raquel Fern´ ndez, Jonathan Ginzburg, and Shalom Lappin a 2004b Classifying ellipsis in dialogue: A machine learning approach In Proceedings of COLING 2004, Geneva,...
Ngày tải lên: 08/03/2014, 04:22
Báo cáo Y học: Fluorescent analogs of UDP-glucose and their use in characterizing substrate binding by toxin A from Clostridium difficile pdf
... as the metal binding event would be totally independent of the interactions involved in the enzyme–substrate complex The binding of MUG and Mg2+ are not independent, however, but instead are highly ... donor involved in the transferase Fig Diagram showing the thermodynamic equilibria and their dissociation constants involved in the binding of UDP-Glc, MUG and Mg2+ to TcdA Values shown in parentheses ... containing varying concentrations of UDP-Glc (0–145 mM) were studied The variable concentrations of UDP-Glc were obtained by starting with a stock solution containing all of the components including...
Ngày tải lên: 08/03/2014, 22:20
Bioavailability and toxicity of cd to microorganisms and their activities in soil
... being an enzyme inhibitor, can have deleterious effects on membrane structure and function by binding to the ligands such as phosphate and the cysteinyl and histidyl groups of proteins (Collins ... 0.87% C different soils: River sand, Gley, Gray lowland, Andosol and Humic Andosol (pH 5.7–8.5) different soils—River sand, Gley, Gray lowland, Andosol and Humic Andosol (pH 5.7–8.5)q2% sludge ... ecophysiological indicator of heavy metal stress in soil (Anderson and Domsch, 1990; Brookes, 1995) qCO2 decreased in the heavily Cd contaminated soil over that in control during the first 2-d incubation (Landi...
Ngày tải lên: 15/03/2014, 23:21
Cadmium and zinc interactions and their transfer in
... YA and MA in spring wheat lands, respectively, and 46 and 20 times in corn lands, respectively Soil Zn concentration at WA was and 1.5 times higher than the contents found at YA and MA in spring ... Ž1994., who, in their pot experiment, concluded that the contents of Cd and Zn in spring wheat parts Žstraw and grain increased with increasing the two metal concentrations in sandy soils The ... patterns of cadmium and zinc contents in different parts of the two crops grown in the field in uenced by non-ferrous metal mining and smelting operation; Ž2 transfer ratios and relationship models...
Ngày tải lên: 15/03/2014, 23:22
TALENT AGENTS, PERSONAL MANAGERS, AND THEIR CONFLICTS IN THE NEW HOLLYWOOD docx
... have a strong stake in maintain ing extended agreements in order to protect their ability to receive returns on the time and money they have invested in their clients during earlier, less profitable ... representing talent and producing their talent’s feature films and television programs See WEILER, supra note 1, at 759–60 In 1938, however, SAG forced all entertainment industry agents to relinquish ... 36 See id 37 See Fred Jelin, The Personal Manager Controversy: Carving the Turf, in COUNSELING CLIENTS IN THE ENTERTAINMENT INDUSTRY 1993, at 471, 480 (PLI Patents, Copyrights, Trademarks, and...
Ngày tải lên: 16/03/2014, 17:20