Investigation on the structure and magnetic properties of co2mnsi heusler alloy for spintronic application

Tài liệu Báo cáo " The effect of cobalt substitution on structure and magnetic properties of nickel ferrite " pptx

... addition of Co2+ ion content, which may be attributed to the ionic radii of constituent ions causing increase in lattice parameter and the densities of pure cobalt ferrite (5.29 g/cm3) and pure nickel ... temperature.These plots show that an increase in Co2+ doping yields monotonic increase in the saturation magnetization of Niferrite which may be due to the substitution of Ni2+ ions by Co2+ on the octahedral ... to the contribution of magnetocrystalline anisotropy of material, the second one is given by shape anisotropy of crystalline particles (domains) and the third one is orginated from the action of...

Báo cáo " Study on the characteristics and catalytic properties of Pt/SBA-15 in the selective oxidation of D-Glucose " potx

... was dispersed inside the pore of support material (a) 3.3 Catalytic activities of Pt/SBA-15 in the oxidation of D-glucose The results of the oxidation of D-glucose carried out on Pt/SBA-15 catalyst ... Conclusions Figure HPLC-RID image of the products of D-glucose oxidation on PS-1 catalyst On the other hand, the reaction on Pt/SBA15 catalysts with pH control not only showed a high conversion, ... catalyst, the conversion decreased significantly The pH at the end of the reaction was about 2.7 This condition facilitated the formation of gluconolactone and disaccharide and inhibited the catalyst...

Báo cáo khoa học: Effects of cardiomyopathic mutations on the biochemical and biophysical properties of the human a-tropomyosin docx

... rather than on the position of the mutation in the polypeptide chain, as demonstrated by the biophysical assays Our studies have provided additional contributions to the understanding of the effects ... charge of Tm The two other mutations (A63V and K70T) are located at the N-terminal region, far from the troponin binding region and occur at the g position of the repeat The K70T mutation also ... stability of the mutant Tms The mutations did not affect the structure of the protein as there was no signiﬁcant alteration in the function or in the amount of the secondary structure However, the mutations...

synthesis, structure and magnetic properties of iron-doped tungsten oxide nanorods

... proﬁles of the Fe-doped tungsten oxide nanorods after annealing in air The inset shows the morphology of the annealed sample and the area for recording EDX spectrum other iron oxides because of the ... in different iron oxides In order to determine the magnetization contribution of different magnetic phases, a basic knowledge for the magnetic properties of bulk Fe and its oxides is crucial ... magnetization at K of the asprepared sample in an applied ﬁeld of T is as large as 56 Am2 =kg, arising from the magnetization of metallic Fe and its oxides Assuming a magnetic moment of 2:2mB per iron...

Báo cáo khoa học: H NMR study of the molecular structure and magnetic properties of the active site for the cyanomet complex of O2-avid hemoglobin from the trematode Paramphistomum epiclitum pdf

... CbHs CdHs CeHs CfH NH CaH CbH CdHs CeHs NH CaH CbH CdH NH CaH CbH CdHs CeHs CfH NH CaH CbH CbHÂ CdHs CeHs OH NH CaH CbH3 NH CaH CbH CcH3 NH CaH CbH CbHÂ CcH CdH3 CdH3Â NH CaH CbH3 NH CaH CbH ... NH CaH CbH CbHÂ NdH NH CaH CbH CcH3 NH CaH CbH CcH3 CcH3Â NH CaH CbH CbH CdHs CfH NH CaH CaHÂ NH CbH CbHÂ CdHs CeHs CfH NH CaH CbH CdHs CeHs CfH NH CaH CbHs CcH CeH3 CaH CbH CcHs CcHÂ CdH3 3.25 ... position E7 as the source of the H- bond to ligand on the basis of a partial sequence, which had indicated a Tyr on the distal E-helix The similarity in the 1H NMR spectra of the three globin complexes...

Báo cáo khoa học: Effects of a tryptophanyl substitution on the structure and antimicrobial activity of C-terminally truncated gaegurin 4 doc

... a GGN4 analogue with both the C-terminal 14 residue truncation and the substitution of the aspartic acid at position 16 by tryptophan, showed antimicrobial activity comparable to that of native ... the GGN4 analogues, including the native GGN4, showed a strong negative band near 200 nm and a weak and broad band around 222 nm, indicating a predominantly random-coil conformation with a slight ... perpendicular to the helical axis in panels A and B, and is parallel to the helical axis in panels C and D rapid exchange of the Hz amino protons This observation indicates that the lysine side-chains are...

EFFECT OF STORAGE TEMPERATURES ON THE PHYSIOLOGICAL AND BIOCHEMICAL PROPERTIES OF HYLOCEREUS POLYRHIZUS

... (Bui et aI., 2004) There were studies that only compare the effect of drying methods alone (Chan et aI., 2009); and also study on the optimization of extraction conditions on herbs (Chirinos ... 20 20 21 22 23 2.6 Effect of Extraction Methods on Antioxidant Activity of Herbs 2.6.1 Effect of Extraction Solvents 2.6.2 Effect of Extraction Time 2.6.3 Effect of Extraction Temperature 24 24 ... optimization of both drying and extraction methods on herb had not being studied, the main ·objective of this study was to study the effect of extraction and drying methods on antioxidant activity on...

effects of recognition versus disclosure on the structure and financial reporting of share based payments

... moneyness of options between the pre and post periods for disclosure (recognition) As Murphy’s [1999] findings suggest, some firms grant options based on the number and others grant options based on the ... disclosure- only financial reporting regime versus a recognition regime The purpose is to understand how recognition versus disclosure in financial reporting affects both real actions the number of ESOs ... requiring disclosure (recognition) Under the assumption that compensation follows a random walk, I test H1 and H2 using changes in the number of option grants, contractual length of options, and moneyness...

Báo cáo hóa học: " Effect of growth temperature on the morphology and phonon properties of InAs nanowires on Si substrates" doc

... line is a guide to the eye The position of SO phonon down shifts with the decrease in diameter; (b) Dependence of the position of the SO phonon from the diameter of the NWs The points represent ... broadening of the phonon peaks As shown in Figure 2, beside LO and TO phonon peaks, there is another phonon peak centered around 230.0 cm-1, which can be attributed to the SO phonons Such SO phonon modes ... 2a can be attributed to the LO and TO phonon mode of InAs NWs Except the downshift of their phonon frequency relative to InAs bulk material, the LO and TO phonon peaks of InAs NWs also show a larger...

Báo cáo hóa học: " Effect of the Nd content on the structural and photoluminescence properties of silicon-rich silicon dioxide thin film" pdf

... http://www.nanoscalereslett.com /content/ 6/1/161 function of the Nd concentration and the annealing temperature in relation with their microstructures The Nd- doped silicon- rich silicon oxide (SRSO) thin layers were synthesized ... emission of Nd3 + ions is more efficient while Si-np are formed, and while the Nd content is low (0.08 at.%) In such conditions, Nd3 + ions benefit from the sensitizing effect of Si-np and from the ... doi:10.1186/1556-276X-6-161 Cite this article as: Debieu et al.: Effect of the Nd content on the structural and photoluminescence properties of silicon- rich silicon dioxide thin films Nanoscale Research Letters 2011...

Báo cáo hóa học: " Impacts of Post-metallisation Processes on the Electrical and Photovoltaic Properties of Si Quantum Dot Solar Cells" potx

... resistivity The implication of the results is that the H2 in the forming gas is responsible for the improvement of the cell material Hydrogen atoms are able to passivate the interfaces of the Si ... times The contact resistance is small in comparison with the semiconductor sheet resistance, as shown in Fig Therefore, the reduction of series resistance is largely due to the reduction of the ... a clear demonstration that the electronic band gap of the nanostructured material is enhanced due to the quantum conﬁnement effect At present, the emphasis is on increasing Voc and the devices...

Báo cáo hóa học: " Aqueous Solution Preparation, Structure, and Magnetic Properties of Nano-Granular ZnxFe32xO4 Ferrite Films" potx

... Izaki’s method, the incorporation of Zn into magnetite was ﬁnished by the deposition of magnetite ﬁlm on ZnO thin ﬁlm, so the Zn content of ferrite ﬁlm and the magnetic properties cannot be well adjusted ... patterns of the ZnxFe3-xO4 ferrite ﬁlms with x = 0, 0.12, 0.41, 0.77, and 0.99 Figure shows the XRD patterns of the ZnxFe3-xO4 ferrite ﬁlms with the x values of 0, 0.12, 0.41, 0.77, and 0.99 ... Zn0.41Fe2.59O4 ferrite ﬁlm has 1521 a slightly rough surface with a thickness of about 300 nm (Fig 5d) The nano-granular microstructure of the deposited ferrite ﬁlms may result from the random nucleation of...

Báo cáo hóa học: " Inﬂuence of Uniaxial Tensile Stress on the Mechanical and Piezoelectric Properties of Short-period Ferroelectric Superlattice " potx

... response calculations to study the effect of uniaxial tensile stress along the c axis on the mechanical and piezoelectric properties of short-period BTO/PTO superlattice We show the mechanical properties ... that the superlattice under the loading of uniaxial tensile stress along the c axis becomes soft along the nonpolar axes To illustrate the change of chemical bonds with uniaxial tensile stress, ... by the conclusion of uniaxial tensile stress dependency of elastic constant c33 (see Fig 2b) Note that the polarization under uniaxial stress remains along the \001[ direction and that the piezoelectric...

The effects of additional nonmagnetic layers on structure and magnetic properties of l10 fept thin films

... done on the effects of layers added to the FePt magnetic layer The focus point of this thesis project is to carry out a systematic study on the influence of additional nonmagnetic layers on the ... performance The effect of additional nonmagnetic layers on the phase transformation of FePt thin films with different substrates is the major objective of the thesis Furthermore, the correlation between ... L10 phase A systematic investigation on Ag top layers, intermediate layers and underlayer on the phase transformation of the FePt thin films was conducted The relationships between the microstructure,...

Investigation on the structure and magnetic properties of co2mnsi heusler alloy for spintronic application

... films for spintronic application It would 23 provide guidance on the understanding of structural and magnetic properties of CMS Heusler alloys and its further application into the field of spin-electronics ... [34], the origin of the bandgap in Heusler alloys is caused by the d-d states hybridization of X and Y transition metals, as the DOS 14 in the vicinity of EF is dominated by the d-states The formation ... properties of Heusler alloys Figure 1.10: Structure of (a) C1b half -Heusler alloys; (b) L2 full -Heusler alloys; (c) B2 full -Heusler alloy; (d) A2 full -Heusler alloy Adapted from [32] 13 The Heusler...

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