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Synthesis, structure and magnetic properties of nanowires and films by electrodeposition

Synthesis, structure and magnetic properties of nanowires and films by electrodeposition

Synthesis, structure and magnetic properties of nanowires and films by electrodeposition

... 4.4.1 Structure and microstructure of Fe nanowires ………………… … 97 4.4.2 Magnetic properties of Fe nanowires ……………………………… 100 4.5 Cu nanowires …………………………………………………………… 102 4.5.1 Structure and microstructure ... parameter of nanowires …………………………………………86 4.2 Ni nanowires ……………………………………………………………… 87 4.2.1 Structure and microstructure of Ni nanowires ……………………… 87 4.2.2 Magnetic properties of Ni nanowires ……………………………… ... Alnico alloys Table 1.2: Magnetic properties of ferrites Table 1.3: Magnetic properties of Sm-Co magnets Table 1.4: Magnetic properties of NdFeB Table 1.5: Magnetic properties of L10 alloys Table...
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Effects of AG on structural and magnetic properties of fept thin films

Effects of AG on structural and magnetic properties of fept thin films

... study magnetic and structural properties of FePt -Ag thin films, the first step is to fabricate the materials Characterization of the thin films provided information about structural and magnetic ... coupling and recording performance Chapter • Correlation between the microstructure and magnetic properties in cosputtered FePt -Ag thin films • Sequential deposition of FePt /Ag/ FePt thin films to ... components for the FePt -Ag thin films on MgO substrate 76 Figure 5-1 Structure illustration of the FePt /Ag/ FePt thin films 82 Figure 5-2 XRD scans of FePt films with various inserted Ag...
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synthesis, structure and magnetic properties of iron-doped tungsten oxide nanorods

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...
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Báo cáo hóa học:

Báo cáo hóa học: "Synthesis, structure and magnetic properties of b-MnO2 nanorods" pptx

... investigated b-MnO2 nanorods can, therefore, be explained in terms of a superposition of 123 86 magnetic properties of the spatially segregated constituent manganese-oxide phases b-MnO2 and a-Mn2O3, ... temperatures 93 K and 80 K (best observed on the T and T curves) that are independent of the magnetic field, followed by a decrease of Fig (Color online) (a) Atomic-resolved HRTEM image of a b-MnO2 nanorod, ... fluctuations Discussion Fig (a) Magnetization as a function of the magnetic field of the b-MnO2 nanorods at 5, 55 and 110 K (b) Expanded portions of the M(H) curves, showing hysteresis at K (below 1000...
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Tài liệu Báo cáo

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...
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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

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...
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Báo cáo hóa học:

Báo cáo hóa học: " Synthesis and magnetic properties of Zr doped ZnO Nanoparticles" docx

... http://www.nanoscalereslett.com/content/6/1/587 Page of Figure TEM and HRTEM images of Zn0.99 5Zr0 .005O Nps (a) The representative TEM image of Zn0.99 5Zr0 .005O and the inset is the SAED pattern (b) The HRTEM image of Zn0.99 5Zr0 .005O hysteresis ... of Zr Furthermore, the magnetism of the samples depends strongly on the doping Zr content, and Ms per Zr atom decreases monotonously from 0.0089 μ B /Zr (Zn 0.995 Zr 0.005 O) to 0.0013 μ B /Zr ... content of Zr, and decreases continuously as the increase of the doping Zr content through the magnetic measurement at RT Combining with the results of Raman and XPS, we suppose that the FM of the...
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Báo cáo hóa học:

Báo cáo hóa học: " Wet chemical synthesis and magnetic properties of single crystal Co nanochains with surface amorphous passivation Co layers" pdf

... Phys Condens Matter 2008, 20:075217 doi:10.1186/1556-276X-6-285 Cite this article as: Zhou et al.: Wet chemical synthesis and magnetic properties of single crystal Co nanochains with surface amorphous ... the amorphous passivation shell (marked with the large white arrow) and high-quality crystal core growth The lattice spacing of 8.86 Å (5 × 1.772 Å) is consistent with that of the [200] planes of ... temperature for Co NCs (red) and PSC (black) and (b) RT magnetic hysteresis curves of the Co NCs (red) and PSC (black) at room temperature In addition, the large Hc, coupled with the controllable coercive...
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Báo cáo hóa học:

Báo cáo hóa học: " Synthesis and Magnetic Properties of Maghemite (c-Fe2O3) Short-Nanotubes" ppt

... short-tubular structures The roomtemperature and low-temperature magnetic properties of these SNTs were investigated The study of pure c-Fe2O3 SNTs and their magnetic properties is a key issue, not only ... emu/g and 100 Oe, respectively, suggest that the c-Fe2O3 SNTs exhibit weak ferromagnetic and soft magnetic behaviors [26] The structure of a-Fe2O3 can be described as consisting hcp arrays of oxygen ... (ATR-FTIR) spectra of starting materials and c-Fe2O3 SNTs are shown in Fig 2b The adsorption bands at ca 560 cm-1 related to the lattice vibrations of the FeO6 octahedral [22] The broad bands of as-prepared...
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Báo cáo hóa học:

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...
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báo cáo hóa học:

báo cáo hóa học:" Synthesis and Magnetic Properties of Nearly Monodisperse CoFe2O4 Nanoparticles Through a Simple " docx

... synthesize nearly monodispersed CoFe2O4 nanoparticles and systematically investigate the magnetic properties of the as-prepared nanomaterials At room temperature, these asprepared nanoparticles ... was transferred into a Teflon-lined stainless autoclave with a capacity of 150 ml In order to crystallize the particles, the reaction temperature of the autoclave was increased and maintained at ... loop of the as-synthesized CoFe2O4 nanoparticles measured at a 300 K, b 10 K prepared in this work have a higher saturation magnetization value compared with the reported samples with superparamagnetic...
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Structure and magnetic properties of ni nio, co coo composite films

Structure and magnetic properties of ni nio, co coo composite films

... fabrication of Ni/ NiO composites using a sputtering technique The study of the mechanisms of the high magnetization and coercivity of Ni/ NiO composites The study of Ni/ NiO composites prepared by magnetic ... 6.3 Effect of composition on the magnetic properties of Ni/ NiO composites 131 6.4 Effect of magnetic field on the magnetic properteis of Ni/ NiO composites 132 6.5 Phase and microstructure analysis ... magnetization of a Co/ CoO composite annealed under different oxygen ratios and b) the composition of the CoO in the Co/ CoO composites annealed under different oxygen ratios Fig 7.5 The exchange bias and coercivity...
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The effects of additional nonmagnetic layers on structure and magnetic properties of l10 fept thin films

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,...
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