... conduction band of semiconductors, where exciton, polaron and other effects are important, andin crystals with narrow bands, e.g., the f -band in rare–earth elements In the latter case, in addition ... 153] involving interaction of type si sj and li lj (si and li are the spin and angular momenta for the i-th electron in the atomic configuration, respectively) By replacing the interaction energy ... spin density and an induced spin moment wold correspond to the gain in exchange energy implies by Hund’s first rule for atoms To obtain an orbital moment the spin-orbit interaction must be included...
... hopping action between adjacent Mn ions is dominated by the double-exchange mechanism through an oxygen ion The double exchange transport mechanism is responsible for the ferromagnetic and conductive ... La2-2xSr1þ2xMn2O7 (x ¼ 0.3).29–31 Distortion of the LMO octahedron (i.e., MnO6) and any alteration of the Mn4þ/Mn3þ ratio, which can be modified by changes in oxygen concentration, have a strong in uence ... Choi, Z Marton, S Y Jang, S J Moon, B C Jeon, J H Shin, S S A Seo, T W Noh, K Myung-Whun, H N Lee, and Y S Lee, “Effects of oxygen-reducing atmosphere annealing on LaMnO3 epitaxial thin films,” J...
... sampling in different irradiance microenvironments Trees corresponding to ASDs 1, and were sampled intwo contrasting light environments (understorey and clearing) Individuals belonging to ASDs and ... and of 0.74 with Amaxa) DISCUSSION 4.1 Influence of ASD and irradiance on tree dimensions The number of nodes and the internode length per GU increased significantly in understorey and clearing ... respectively) and mass and area based N content (Nm and Na, respectively) in Dicorynia guianensis at different stages of development (ASD 1, 2, 3, and 5) andin three contrasting light environments (u:...
... calculated using eqns 2–4 and the binding parameters, DHbind, DSbind and DGbind, are summarized in Table Differences in interaction of ActII–ActV with DNA can also be estimated using the binding parameters ... specific annexin V staining (annexin V/DNA-staining method) Briefly, cell samples were first stained with FITC-conjugated annexin V and consequently fixed by addition of mL ice-cold 70% ethanol for ... modifications in the aminoalkyl side chain of synthetic phenoxazone derivatives (e.g elongation by one methylene group) lead to considerable changes in both their anti-tumour activity and DNAbinding properties, ...
... Second, different enhancement factors appear in different field regions In the low field region, these defects have larger enhancement factor, resulting in a lower slope With the increase in the ... give more and smaller particles upon heating, and higher rate of diffusion dominates, the nanowires grow seemingly in succession without obvious tips on the surface In addition, the thickness of ... regular with the increase in the film thickness As shown in the left Fig 2a, sparse nanowires are aligned irregularly, reclining or lying More nanowires will grow and align more perpendicular to the...
... impairment of the photosynthetic capacity References Anderson J.M & Osmond C.B (1987) Shade-sun responses: compromises between acclimation and photoinhibition In: Photoinhibition (Kyle D.J., Osmond ... Trin New Phytol 100, MAenp5d in the 537-548 Aro E.M., Rin,[am5ki E., Korhonen P & Mienpii P (1986) Relationship between chloroplast structureand evolution rate of leaf discs in plants from different ... different biotopes in south Finland Plant Cell Environ 87-94 Boardman N. K (1977) Comparative photosynthesis of sun and shade plants Annu Rev Plant Physiol 2Et, 355-377 Hudak J of Changes senescence...
... domains: a hydrophilic heme-containing catalytic domain of about 99 amino acids; a membrane-binding hydrophobic domain containing about 30 amino acids at the carboxy terminus of the molecule; and ... [29] On the other hand, the mutants showing an independency on the poly-Llysine concentration (i.e., L51I and A59V) might be reflecting the difference in microenvironment around the heme propionate ... using the Nernst equation assuming a single redox component Solid circles indicate data points for the reductive phase and + for the oxidative phase Other conditions are indicated in the main...
... bovine serum (FBS) and 1% penicillin/streptomycin (Gibco, Grand Island, NY, USA) for 24 h at 37°C Cultured PBMCs were counted using trypan blue vital staining (Gibco) at the beginning of the IFN-g ... profile and the interval between the initial and followup visits This was based on the detection of HIV-1 specific antigen and antibodies in plasma In group I (preseroconversion group I, n = 7), ... increasing to control the elevated viral load During the period from seroconversion to the viral set point when virus concentration is maintained, the correlations between viral replication and...
... protein-folding information is present in the redundant exon bases [8,21], and coding sequences function as chaperons [7] Correlationbetween mRNA sequence composition and total folding energy ... representations The possible influence of different kingdom (prokaryotes and eukaryotes) or variations in environmental conditions on mRNA folding stability were not considered in this study Single-stranded ... codons are interchangeable in regard to amino acid coding, but their effect is individual and additive in respect of their role in determining the FEs of coding sequences and the relative frequencies...
... provided Disclosure rules governing insider dealings, related party transactions, and directors’ interests and remuneration are much less stringent than in the U.S Since the Listing Rules and HK ... complicated and the argument can be made in either direction Jensen and Meckling (1976) indicate that since managers pursue their own interest, higher management shareholding would imply a larger sharing ... Wong / Journal of International Accounting, Auditing & Taxation 10 (2001) 139 –156 Table Industrial Breakdown of Responding Firms Industry Type Number Percentage Manufacturing Conglomerate Banking...
... dependence The resistivity and MR response in these polycrystalline manganites are due to both intrinsic effect arising from within the grains and extrinsic effect from intergrain tunneling process ... activation energy reflects the increase in polaron binding energy as Fe ions bind the polaron more strongly than Mn ions in the lattice We now turn to the resistivity coefficient A Our findings present ... composite sintered at 900 °C was well represented by combination of LSMO and NSMO individual parent samples, indicating the coexistence of LSMO and NSMO phases Upon increasing the sintering temperature...
... represented by combination of LSMO and NSMO It can be interpreted as having two phases of LSMO and NSMO coexisting in the composite Upon increasing the sintering temperature up to 1300 °C, the individual ... though both NSMO and LSMO layers in Ts = 900 °C are in the FM state and no interdiffusion occurs across the LSMO and NSMO grain boundaries, some spins near and inside the LSMO and NSMO boundary layers ... spins in the near boundary layers tend to point in the same direction Hence the embedding of LSMO into NSMO particles introduces additional magnetic disorder at the grain boundary layers, leading...
... ions in SrFeO3 are to be in the HS state with three electrons filling the t2g band, with the remaining eg electron itinerant Apart from that, Chul et al [99] have pointed out convincingly in ... ion to being in a different spin state given its proximity to Mn ions 65 Chapter Three: Influence of Fe doping in Nd0.67Sr0.33MnO3 polycrystalline system Thus, the correlationbetween the valence ... grow and dominate the region resemble that of 2p / peaks of NSFO At the intermediate range, the ground state has become a combination of both NSMO and NSFO depending on the doping concentration...
... SrCO3 Mixture and Stirring Target Wet Grinding Sintering Pressing Drying Powder Calcination Grinding YES Single Phase Figure - Flow chart for standard preparation Nd0.67Sr0.33MnO3 target by solid-state ... the interplanar spacings in the crystalline materials according to Bragg's Law [81]: n = 2dsinθ where n is an integer, d is the interplanar spacing in the crystalline phase, θ is the incidence ... Preparation and Characterization Techniques identification, or more detailed analyses like crystallite size and distribution, stress and strain or quantitative determination of different phases in a...
... intergrain spin-polarized tunneling Since the electron spin is conserved in the tunneling process, there is an additional magnetic coupling energy when the magnetic moments of the neighboring grains ... electron-magnon scatterings Here, different physical states and preparation conditions of the samples will result in different ρ and ρ n , indicating that perturbation in the solid solution manganites ... summary and an organization of this dissertation 1.2.4.1 Crystalline Structure Nearly half a century ago, Jonker and van Santen [5] discovered a striking correlationbetween magnetic order and conductivity...
... result in unfavorable conditions for the main forest-forming species In addition, the currently dominant species will continue to grow in the changing conditions, but during the adaptation period ... flowing in district domain has 42 kilometers long and divides Bao Thang into regions - right bank and left bank The right bank has numerous big streams originating from Fansipan mountain, resulting ... randomly chosen local people, involving forest owners, indigenous people, and others living and working in the research area from towns to represent a range of conditions across the region, including...