single crystal growth and magnetic properties of rrhin5 compounds
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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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: Crystal structure and enzymatic properties of a bacterial family 19 chitinase reveal differences from plant enzymes pdf
... were made with PYMOL [47] able sequences, some bacterial family 19 chitinases have catalytic domains that are at least as large as those of the plant enzymes and that may contain at least six ... 35 Kawase T, Yokokawa S, Saito A, Fujii T, Nikaidou N, Miyashita K & Watanabe T (2006) Comparison of enzymatic and antifungal properties between family 18 and 19 chitinases from S coelicolor A3 (2) ... Haemophilus influenzae, and Pseudomonas aeruginosa Although many plant family 19 chitinases are known, crystal structures are available for only two of these [9,15–17] The first structure of a bacterial...
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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 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: " 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: "Investigation of electrical and magnetic properties of ferro-nanofluid on transformers" pptx
... same trend Conclusions In this study, different concentrations of ferro-nanofluids were applied to the magnetic cores of transformers The performance of transformers with magnetic cores of air Figure ... with the MEMS process Authors’ contributions TH performed experimental investigations of electric and magnetic properties of ferro-nanofluids on transformers and prepared the draft, PH proposed ... phases of Fe3O4 nanoparticles Figure The magnetized curve of the Fe O nanofluid measured by a VSM Results and discussion Different magnetic cores, air, and Fe3O4 nanofluids of 0.25, 0.5, 0.75, and...
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Báo cáo hóa học: "Fabrication and magnetic properties of granular Co/porous InP nanocomposite materials" ppt
... characterize magnetic properties of such Co /InP nanocomposites at 300 K with magnetic field sweeping from -15 to 15 KOe Results and discussions Structure characterization of Co /InP nanocomposites ... 47.39°, and 75.89° correspond to hexagonal Co (100), (002), (101), and (110), respectively This further confirms that the obtained sample is that of Co /InP nanocomposites Magnetic properties of Co /InP ... http://www.nanoscalereslett.com/content/6/1/276 Page of Figure The characterization of the Co /InP nanocomposite structure: (a) EDS spectrum and (b) XRD pattern strong ferromagnetism of Co In a word, the magnetism of such Co /InP magnetic...
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Báo cáo hóa học: " Electronic and magnetic properties of SnO2/CrO2 thin superlattices" doc
... analysis, and drafted the manuscript LS and PB conceived of the study HA, ES, LA, and LS participated in the analysis and in the production of a final version of the manuscript All authors read and ... article as: Borges et al.: Electronic and magnetic properties of SnO2/CrO2 thin superlattices Nanoscale Research Letters 2011 6:146 Submit your manuscript to a journal and benefit from: Convenient ... Abbreviations AFM: anti-ferromagnetic; FM: ferromagnetic; GGA-PBE: generalized gradient approximation and the Perdew, Burke, and Ernzerhof; NM: non -magnetic; PDOS: projected density of states; SL: superlattice;...
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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: " 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:" Crystal structure and electrical properties of bismuth sodium titanate zirconate ceramics" pdf
... zirconium-doped bismuth sodium titanate ceramics Adv Mater Res 2008, 55:133-136 doi:10.1186/1556-276X-7-57 Cite this article as: Rachakom et al.: Crystal structure and electrical properties of bismuth sodium ... representation and manipulation of crystal structures and calculation of the resulting X-ray powder patterns J Appl Cryst 1996, 29:301-303 12 Jones GO, Thomas PA: Investigation of the structure and phase ... of materials Hence, this study showed that the observed dielectric and ferroelectric properties of BNTZ ceramics largely depended on compositional and crystal structure changes Optimization of...
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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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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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