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Electronic and Optoelectronic Properties of Semiconductor Structures
Electronic and Optoelectronic Properties of Semiconductor Structures
... SELECTED BANDSTRUCTURESWe will now examine special features of some semiconductors. Of particular interest arethe bandedge properties since they dominate the transport and optical properties. ... lightemission and for high resolution reading/writing applications in optoelectronics) and high power electronics. In Fig. 2.19 we show the bandstructure of InN, GaN, and AlNnear the bandedges. ... split off energies of any semiconductors.GaAsThe near bandedge bandstructure of GaAs is shown in Fig. 2.17. The bandgap is direct,which is the chief attraction of GaAs. The direct bandgap ensures...
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Effects of simultaneous doping with boron and phosphorous on the structural, electronic and optical properties of silicon nanostructures
... value of the band-gap of theundoped Si-nw. This is another indication of how dopingcan modify the electronic and optical properties of the Sinanostructures.6. ConclusionsThe structural, electronic ... effects of size and shape of Si-nc on theincorporation of group-III (B and Al), group-IV (C and Ge) and group-V (N and P) impurities. Single-doping has been investigatedboth in spherical and faceted-like ... Effects of simultaneous doping with boron and phosphorous on thestructural, electronic and optical properties of silicon nanostructuresF. Ioria, S. Ossicinib,ÃaCNR-INFM-S3 and Dipartimento...
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Effect of substrate temperature on spontaneous gan nanowire growth and optoelectronic properties
... irrespective of the growth conditions.& 2008 Elsevier B.V. All rights reserved.III-nitrides are promising semiconductor materials because of their application in optoelectronics and high-power electronic devices. ... S. TripathycaMicroelectronics Research Group, Department of Physics, University of Crete, P.O. Box 2208, 71003 Herakilon-Crete, GreecebInstitute of Electronic Structure and Laser (IESL), FORTH, ... Effect of substrate temperature on spontaneous GaN nanowire growth and optoelectronic properties A.P. Vajpeyia,b,Ã, A. Georgakilasa,b, G. Tsiakatourasa,b, K. Tsagarakia,b, M. Androulidakia,b,S.J....
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HÓA HỌC THỰC PHẨM (FPI)
... moisture. The nature and function properties of the FPI include: the ability to foam and emulsification. Foaming Index of the FPI is 0.77 at pH = 5.5, Emulsifying Activity Index (EAI) of the FPI is ... focuses on the research of molecular weight of peptides in the FPI; FPI chemical contents and initial examining of two functional properties (foaming, emulsification) of the FPI which is derived ... alcalase and some biological properties of the hydrolysates. Engineering and Manufacturing for Biotechnology, 4, 39-50 [5] Arason, S. (2006). Utilization of Fish By products in Iceland. UNU-FTP.2006-2007....
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Tài liệu Báo cáo " The effect of cobalt substitution on structure and magnetic properties of nickel ferrite " pptx
... magnetization and low coercivity. To our knowledge, the systematic investigation of the magnetic and electrical properties of Ni1-XCoX Fe2O4 with x varied from 0 to 0.8 in steps of 0.2 has ... influence of the Co content on the crystal lattice parameter, the stretching vibration and the magnetization of specimens were subsequently studied. XRD and FTIR were used to investigate structure and ... room temperature under field of 5 kOe and this measurement with the increase of Co2+ concentration yields the monotonic increase of saturation magnetization (MS) and coercive field (HC)....
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Tài liệu Báo cáo khoa học: Interleukin-1-inducible MCPIP protein has structural and functional properties of RNase and participates in degradation of IL-1b mRNA doc
... has structural and functional properties of RNase and participates indegradation of IL-1b mRNADanuta Mizgalska1, Paulina We˛ grzyn1, Krzysztof Murzyn2, Aneta Kasza1, Aleksander Koj1,Jacek ... and also of its own tran-script. For this reason, the level of mRNA for the wild-type form of MCPIP and the level of mRNA for IL-1b(Fig. 5A, lane 3) were lower in comparison to the level of ... regulation of mRNA stability in inflam-matory processes. These authors found that MCPIPhas RNase properties and regulates the stability of IL-6 and IL-12p40 mRNA [4]. MCPIP-dependent degrada-tion of...
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Tài liệu Báo cáo khoa học: The antibacterial and antifungal properties of trappin-2 (pre-elafin) do not depend on its protease inhibitory function pptx
... and the CFU counted. The per-centage of surviving CFU was calculated by the formulaN ⁄ Ncontrol· 100, where N and Ncontrolwere the numbers of CFU obtained after 3 h of incubation with and ... (2006)Secretion of serine peptidase by a clinical strain of Candida albicans: influence of growth conditions and cleavage of human serum proteins and extracellularmatrix components. FEMS Immunol Med ... exacerbations of COPD. Infection 35, 143–149.38 Higuchi R, Krummel B & Saiki RK (1988) A generalmethod of in vitro preparation and specific mutagenesis of DNA fragments: study of protein and DNA...
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Tài liệu Báo cáo khoa học: Tryptophan tryptophylquinone cofactor biogenesis in the aromatic amine dehydrogenase of Alcaligenes faecalis Cofactor assembly and catalytic properties of recombinant enzyme expressed in Paracoccus denitrificans pptx
... detector and x-scan soft-ware (Applied Photophysics). Spectra were analysed and intermediates of the reaction identified by global analysis and numerical integration methods using prokin software(Applied ... theexpected mass of the a subunit to 40 421 Da, which iswithin error of the measured mass of 40 422 Da.Stopped-flow studies of the reductivehalf-reaction of AADHStudies of the reductive half-reaction ... orf-4 and hemE) all putatively transcribed in thesame direction [7]. The second and fifth genes (aauA and aauB) encode the large and small subunits of AADH, respectively. The genes aauD and aauE...
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Tài liệu Báo cáo Y học: Antibacterial and antifungal properties of a-helical, cationic peptides in the venom of scorpions from southern Africa pptx
... most active,inhibiting 50% of growth of N. crassa and F. culmorum at aconcentration of 0.8 lM(3.9 lgÆmL)1) and having an IC50 of 2 lM(9.7 lgÆmL)1) for growth of the yeast S. cerevisiae.F. ... inhibition of growth of N. crassa and fluorescence of SYTOX greencould be observed (Fig. 5B). Similar results were obtainedfor all combinations of peptides and fungi. This suggeststhat inhibition of ... representativepeptides of this group have been described in Pandinusimperator (scorpine [21]). Other disulfide containing pep-tides were isolated from hemolymph of Androctonusaustralis (androctonin [22]) and...
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Tài liệu Báo cáo Y học: Short peptides are not reliable models of thermodynamic and kinetic properties of the N-terminal metal binding site in serum albumin doc
... Bal1,21Faculty of Chemistry, University of Wroclaw, Poland;2Institute of Biochemistry and Biophysics, Polish Academy of Sciences,Warsaw, PolandA comparative study of thermodynamic and kinetic aspects of ... DAHKam-Cu(II)(B) and DAHKam-Ni(II) (C), calculated for 0.5 mMconcentrations of peptides and metal ions. The intensities of CD bands of 4N complexes(constructed by adding intensities at extremes of d–d bands ... protonation constantsfor DAHKam and VIHN, and stability constants (log avalues) of Cu(II)-VIHN, Cu-DAHKam and Ni-DAHKamsystems. The parameters of CD and EPR spectra of allmajor complexes present...
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