electron transport properties of nanocrystals either isolated or self assembled in 2d and 3d superlattices
cross plane electronic and thermal transport properties of p type la0.67sr0.33mno3 lamno3 perovskite oxide metal semiconductor superlattices
... scans of LSMO/LMO on STO show all four films peaks separated by 90 , confirming in- plane epitaxy for all layers of the superlattice In order to determine the degree of relaxation and strain in the ... aligned grains and in- plane epitaxy LMO thin-film growth optimization to achieve p-type semiconducting behavior on (100)-STO substrates was also performed using PLD The laser fluence was maintained at ... chosen in order to better isolate relevant physical phenomena in cross-plane thermal and electrical transport by suppressing the effects of parasitic electrical series resistance and the electronic...
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Thermal transport in 2d and 3d nanoscale phononic crystals
... important for the understanding of underlying physics in PnCs and the controlling of phonon transport in PnCs In this thesis, I will investigate the thermal transport of nanoscale 2D and 3D PnCs ... example Chapter Introduction of PBG for a 2D PnC and the range of forbidden frequencies is shown in orange color Fig 1 Structure of phononic crystal a, 1D, 2D and 3D PnCs made of two different ... THERMAL TRANSPORT IN 2D AND 3D NANOSCALE PHONONIC CRYSTALS YANG LINA A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR OF PHILOSOPHY DEPARTMENT OF PHYSICS NATIONAL UNIVERSITY OF SINGAPORE 2014 DECLARATION...
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TRANSPORT PROPERTIES OF a QUASI TWO DIMENSIONAL ELECTRON GAS IN a sisige HETEROSTRUCTURE TEMPERATURE AND MAGNETIC FIELD EFFECTS
... of the roughness perpendicular to the Q2DEG and Λ represents the correlation length parameter of the roughness in the plane of the Q2DEG The mobility of the unpolarized and fully polarized Q2DEG ... fully polarized Q2DEG is lower than that of the unpolarized Q2DEG This effect is due to spin-splitting in the parallel magnetic field leading to reduced screening in a spin-polarized electron gas ... scattering (IIS) with zi = and Ni0 = × 109 cm−2 The results shown in Fig indicate that the mobility increases and the critical electron density NM IT decreases with increase in the distance of the...
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Báo cáo " Influence of intradot Coulomb interaction on transport properties of an Aharonov-Bohm interferometer " ppt
... [7] and Walter Hofstetter et al [8] studied the combination of the Kondo effect and the Fano effect How the intradot Coulomb interaction influences the phase coherence of electronic transport ... (2) σ Where α stands for the left (L) and the right (R) leads, while k and εkα are the longitudinal wave number and the corresponding energy of the electron The energies of the single particle ... (15) where δ is an infinitesimal quantity To check formulas (11) and (12), we determine the dot Greens function in the atomic, noninteracting, and strongly interacting limits: (i) In the atomic limit,...
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Electronic transport properties of single crystal silicon nanowires fabricated using an atomic force microscope
... Schematics of the process for silicon nanodevice fabrication involving an AFM lithography step Inset: transmission electron micrograph of a thinned Unibond SOI substrate showing the good crystalline ... to leads converging to the central working zone of the chip This active area is thinned down to 15 nm by localized thinning process (LOCOS—series of oxidation=oxide stripping) and doped by arsenic ... noise features as it is reported in other works for SOI nanowires made by electron beam lithography [5,13] At 13 K and for low drain–source bias voltages (0.1–10 mV) the drain–source current presents...
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Raman spectroscopy and field electron emission properties of aligned silicon nanowire arrays
... [0 1] The interplanar spacing between the visible fringer is 0.28 nm, corresponding to the (0 2) plane of silicon There is a thin amorphous layer sheathing the crystalline core of the SiNW (bottom ... density of 0.01 mA/cm2 This kind of SiNW directly formed on a silicon substrate would be of particular interest for integration in the current silicontechnology-based vacuum electronic and optoelectronic ... material should increase according to decreasing area fraction of the remaining silicon after etching, ignoring losses to diffuse scattering Secondly, the Raman backscatter traveling toward the surface...
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Báo cáo khoa học: Determination of the redox potentials and electron transfer properties of the FAD- and FMN-binding domains of the human oxidoreductase NR1 doc
... of the two flavin-binding domains Discussion The ability to dissect CPR into distinct functional domains has assisted in providing detailed structural and kinetic information about the redox and ... titrations of the isolated FAD/NADPH and FMN domains of NR1 enabled the determination of the midpoint reduction potentials for the oxidized/semiquinone (E1) and semiquinone/hydroquinone (E2) flavin couples ... flavin) and 585 nm or 600 nm (near the absorption maximum for the blue semiquinone form of flavin) were plotted against potential Data for the titration of the individual NR1 FAD/NADPH and FMN domains...
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transport properties of fluids their correlation prediction & estimation
... behavior of none exactly (see Chapter 8) In the field of transport properties a similar type of procedure is the basis of the Enskog theory of transport in dense fluids, discussed in Chapters and ... are known as transport properties and form the subject of this volume The purpose of this chapter is to illustrate the importance of the transport properties of fluids in science and technology ... limited by a lack of knowledge of the physical properties of the materials involved including the transport coefficients of the fluids Increasingly, there is a demand for improved safety of technological...
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FINGERPRINTS IN THE OPTICAL AND TRANSPORT PROPERTIES OF QUANTUM DOTS ppt
... QDs of different areal densities, capped with 100nm GaAs layers 14 Fingerprints in the Optical and Transport Properties of Quantum Dots 4.3 Height engineering of self- assembled InAs/GaAs QDs for ... rich history In principle, strong quantum confinement of the carriers or strong electron phonon interaction induces increasing of the kinetic energy of the charge carriers involved in the optical ... States of Electrons: Emission of Single Molecules in Self- Organized InP/GaInP Quantum Dots Alexander M Mintairov, James L Merz and Steven A Blundell Chapter InAs Quantum Dots in Symmetric InGaAs/GaAs...
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Structural characterization and study of immunoenhancing properties of a glucan isolated from a hybrid mushroom of Pleurotus florida and Lentinula edodes pot
... Kolkata, for providing instrumental facilities Mr Barun Majumdar of Bose Institute, Kolkata is acknowledged for preparing NMR spectra P.K.M (one of the authors) thanks the CSIR for offering junior research ... reported Protoplast fusion between the strains of Pleurotus florida and Lentinula edodes produced nine new hybrid strains adopting the procedures as applied earlier21 out of which six strains ... 62 63 64 65 Structural characterization and study of immunoenhancing properties of a glucan isolated from a hybrid mushroom of Pleurotus florida and Lentinula edodes Praloy K Majia, Ipsita K Sena,...
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Structural characterization and study of immunoenhancing properties of a glucan isolated from a hybrid mushroom of Pleurotus florida and Lentinula edodes potx
... Kolkata, for providing instrumental facilities Mr Barun Majumdar of Bose Institute, Kolkata is acknowledged for preparing NMR spectra P.K.M (one of the authors) thanks the CSIR for offering junior research ... reported Protoplast fusion between the strains of Pleurotus florida and Lentinula edodes produced nine new hybrid strains adopting the procedures as applied earlier21 out of which six strains ... 62 63 64 65 Structural characterization and study of immunoenhancing properties of a glucan isolated from a hybrid mushroom of Pleurotus florida and Lentinula edodes Praloy K Majia, Ipsita K Sena,...
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Báo cáo khoa học: "Comparative studies on pheno- and genotypic properties of Staphylococcus aureus isolated from bovine subclinical mastitis in central Java in Indonesia and Hesse in Germany" potx
... (eta) and B (etb) [16], thermonuclease (nuc) [5], fibronectin binding protein A (fnbA) and fibronectin binding protein B (fnbB) [4], alpha-hemolysin (hla) and beta-hemolysin (hlb) [4], collagen binding ... products of 600 and 850 bp for and 12 of the S aureus isolated in Central Java, Indonesia Five different PCR products with sizes of 510, 600, 680, 740 and 850 bp were found for 1, 10, 2, and of the ... coagulase, and the gene segments encoding the immunoglobulin G binding region and the X- region of protein A A comparable PCRbased system for identification of S aureus isolated from various origins...
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Steady state transport properties of anharmonic systems
... at the field of spintronics, where the main quantity of interest is the transport of spins First we study spin transport in an insulator modeled by an anisotropic Heisenberg spin chain connected ... Imaginary part of self- energy of the baths j Local spin-current operator for magnetic insulators jS Spin current flowing through the magnetic insulator R Spin rectification ratio j↑,↓ Spin-up and ... pioneering work of Mott [52, 53] who realized that at low temperatures the electrons of majority and minority spins not mix in the scattering process, which led to the two-current model of spin transport...
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Structure, magnetic and transport properties of magnetic oxide materials and exploration of magnetic oxides semiconductor (zno) heterostructures
... resulting in the shrinkage and elimination of small grains which, in turn, result in an increase in the average size of the remaining grains 1.4.1 Texture evolution The grain growth in thin films ... surface and interface energy minimizing textures are favored, regardless of their strain or thermal history 1.4.2 Strain formation in thin films Generally speaking, strain ε in thin films can be introduced ... interface energy minimization and the strain energy minimization compete in defining the texture during grain growth The driving force arising from the surface and interface energy minimization is...
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First principles investigation on transport properties of graphene based systems
... found in double carbon chains Moreover, we study the spin transport and find that perfect spin filter and spin valve effects simultaneously exist in the same system The spin transport properties of ... other interesting properties which enable the manipulation of spin currents in CNT or graphene For example, spin-orbital interaction (SOI) can be tuned by the intrinsic curving of CNT and graphene; ... nanodevices and architectures Therefore, the main aim of this study is to investigate the charge transport and spin transport in several graphene-based systems, including carbon chains, ZGNRs and ZGNRbased...
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Thermal transport properties of individual nanowires
... First of all, I would like to thank my supervisor, Professor Li Baowen, and my co-supervisors, Professor Andrew Tay A O and Associate Professor John Thong Thiam Leong, for their inspiring and encouraging ... phenomena in the vicinity of metal-insulator-transition (MIT) temperature The NWs exhibit either single domain or co-existing metal-insulator domains depending on temperature sweeping conditions ... experimental data In order to understand the underlying physics of the thermal transport properties of thin Si NWs, Chen et al [33] systematically examine the phonon transport in thin Si NWs with...
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Electron transport study of two terminal molecular electronic devices using ab initio methods
... thesis, and his dedication to research and preciseness inspire me in my future work I am deeply indebted to my supervisor in National University of Singapore, Prof Wang Qing Guo, for his invaluable ... thorough understanding of electron transport mechanisms of such devices has not yet been achieved Modeling and simulation could provide an alternative method to explore electron transport of ... Electron Transport Study of Two-terminal Molecular Electronic Devices Using Ab Initio Methods Zou Xu (B Eng., University of Science and Technology of China, P R China) A THESIS SUBMITTED FOR...
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Investigations into the transport properties of angiotensin peptides
... content of basic amino acids, in particular arginine 33 Using a series of linear and branched chain arginine-rich peptides, Futaki and coworkers showed effective internalisation of both linear and ... angiotensin III (Ang III) and angiotensin IV (Ang IV) In this investigation, we are interested in comparing the transport properties of these structurally related peptides and examining how their transport ... values of the peptides, as would be expected for paracellular transport Satake and coworkers described the transport of Val-Pro-Pro, an inhibitor of angiotensin converting enzyme (ACE) isolated...
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Tài liệu Báo cáo khoa học: Properties of ecdysteroid receptors from diverse insect species in a heterologous cell culture system – a basis for screening novel insecticidal candidates docx
... 3729–3734 Supporting information The following supplementary material is available: Fig S1 Amino acid alignment of linker region and ligand-binding domain (LBD) of ecdysone receptors Fig S2 Amino acid ... control of MHR3 promoter activity by isoforms of the ecdysone receptor and inhibitory effects of E75A and MHR3 Dev Biol 272, 510–21 Azotei A & Spindler-Barth M (2009) DNA affects ligand binding of ... melanogaster [1,2], and have since been confirmed and further investigated in other insect species [3,4] Generally, one or more isoforms of EcR and USP in a given species trigger an orchestrated and multitiered...
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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
... native conformations of the proteins) for albumin studies resulted in weak, but noticeable competition for Ni(II) binding at site I and Cu(II) binding at site II No evidence of formation of ternary ... providing metal binding at site II and the neighbouring His242) bind phosphate ions, thereby providing another level of competition for metal ion binding Kinetics of Ni(II) binding and Cu(II)/Ni(II) ... spectrophotometer, using monitor wavelength of 420 nm, and sampling interval of s For control purposes the spectra were also recorded in the range of 300900 nm before and after reaction In a separate...
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