Báo cáo hóa học: " Synthesis of magnetic nanofibers using femtosecond laser material processing in air" ppt

Báo cáo hóa học: " Synthesis of magnetic nanofibers using femtosecond laser material processing in air" ppt

Báo cáo hóa học: " Synthesis of magnetic nanofibers using femtosecond laser material processing in air" ppt

... results in increasing the number of pulses and hence decreases size of the generated mag- netic nanofibers. Increasing repetition rate of the femto- second laser results in generating smaller size magnetic nanofibers. ... magnetic nanofibers. The magnetic strength of the generated nanofibers can be controlled by changing the repet ition rate of the femtosecond la...
Ngày tải lên : 21/06/2014, 03:20
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Báo cáo hóa học: " Synthesis of long group IV semiconductor nanowires by molecular beam epitaxy" ppt

Báo cáo hóa học: " Synthesis of long group IV semiconductor nanowires by molecular beam epitaxy" ppt

... rather incorporated onto the sidewalls than diffusing up to the top of the NWs. Finally, when the growth duration approaches tens of minutes, Au may have completely diffused away from the original ... growing with the same length growth rate. The effect of a limited diffusion length is readily visible in Figure 6. While the <110>-oriented Ge NWs appear cylindrical at the beginni...
Ngày tải lên : 21/06/2014, 07:20
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Báo cáo hóa học: " Synthesis and magnetic properties of Zr doped ZnO Nanoparticles" docx

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

... the magnetic measurement at RT. Combining with the results of Raman and XPS, we suppose that the FM of the Zn 1-x Zr x O NPs is owing to t he oxygen vacancies inducing by doping of the nonmagnetic ... no con- sensusontheoriginofFMindopingZnO,sowe researched the ori gin of RTFM in the doping ZnO materials, it was hoped that we could get a better expla- nation about this intractable...
Ngày tải lên : 20/06/2014, 22:20
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Báo cáo hóa học: " Synthesis of Bio-Compatible SPION–based Aqueous Ferrofluids and Evaluation of RadioFrequency Power Loss for Magnetic Hyperthermia" docx

Báo cáo hóa học: " Synthesis of Bio-Compatible SPION–based Aqueous Ferrofluids and Evaluation of RadioFrequency Power Loss for Magnetic Hyperthermia" docx

... parameters especially in biomedicine. The spherical shape and monodispersibility of SPIONs are often a prerequisite for application in living tissues [12]. So, optimization of the synthesis of nanoparticles ... refers to heating of cells attached to magnetic particle by an external AC magnetic field. The increase in temperature is caused due to hysteresis loss. In the cas...
Ngày tải lên : 21/06/2014, 07:20
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Báo cáo hóa học: " Synthesis and Magnetic Properties of Maghemite (c-Fe2O3) Short-Nanotubes" ppt

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

... magnetocrystalline anisotropy energy of particles in SNTs. Keywords Short-nanotubes Á c-Fe 2 O 3 Á Magnetic properties Introduction In recent years, the assembled nanostructures of magnetic iron oxide materials ... after the annealing process were carried out at 300 K in the applied magnetic field sweeping from -15 to 15 kOe. As shown in Fig. 4, the saturation magnetization (...
Ngày tải lên : 21/06/2014, 17:20
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báo cáo hóa học:" Synthesis and Magnetic Properties of Nearly Monodisperse CoFe2O4 Nanoparticles Through a Simple " docx

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

... Li (&) Institute of Applied Magnetics, Key Laboratory of Magnetism and Magnetic Materials of Ministry of Education, Lanzhou University, 730000 Lanzhou, People’s Republic of China e-mail: ... molecular imaging agents in magnetic resonance imaging (MRI) [7]. The applications of CoFe 2 O 4 are strongly in uenced by its magnetic properties. For biomedical applications, Co...
Ngày tải lên : 21/06/2014, 18:20
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Báo cáo hóa học: " Synthesis of High Coercivity Core–Shell Nanorods Based on Nickel and Cobalt and Their Magnetic Properties" pot

Báo cáo hóa học: " Synthesis of High Coercivity Core–Shell Nanorods Based on Nickel and Cobalt and Their Magnetic Properties" pot

... out using EDS and is shown in Fig. 3. Fig. 2 a TEM image of Co NT, b TEM image of Ni NW (inset: ED of Ni NW), c FESEM image of Ni @ Co nanorods, and d TEM image of Ni @ Co nanorod, after removing ... morphology of Ni @ Co nanorods. Individual nanorods were separated by etching out the alumina using 3 M sodium hydroxide (NaOH) solution and decanting the dissolved alumina usi...
Ngày tải lên : 22/06/2014, 00:20
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Báo cáo hóa học: " Synthesis of NaYF4:Yb3+, Er3+ upconversion nanoparticles in normal microemulsions" pdf

Báo cáo hóa học: " Synthesis of NaYF4:Yb3+, Er3+ upconversion nanoparticles in normal microemulsions" pdf

... under continuous excitation at 980 nm. Then, a thermal treatment for the products was found to enhance the luminescence intensity. In addition, because of its inherent merit in high yielding and being ... uniformity of about 20 nm in diameter. The X-ray powder diffract- ometer (XRD) pattern (Figure 2B) shows well-defined peaks, indicating the high crystallinity of the syn thesized...
Ngày tải lên : 20/06/2014, 22:20
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Báo cáo hóa học: " Synthesis of silicalite-poly(furfuryl alcohol) composite membranes for oxygen enrichment from air" docx

Báo cáo hóa học: " Synthesis of silicalite-poly(furfuryl alcohol) composite membranes for oxygen enrichment from air" docx

... added dropwise into 20 g of TEOS under vigorous stirring. Strong magnetic stirring was maintained for 3 h. The solution was then heated in an oven at 80°C for 5 to 6 days for crystallization, resulting in ... of well-dispersed particles without interfacial incompatibility and defects between the inorganic material and the polymer. Therefore, care- ful selection of a pair of po...
Ngày tải lên : 20/06/2014, 23:20
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Báo cáo hóa học: "Synthesis of freestanding HfO2 nanostructures" ppt

Báo cáo hóa học: "Synthesis of freestanding HfO2 nanostructures" ppt

... is of spe- cial interest. Most device applications entail the use of materials in the form of thin films. Determining the intrinsic properties of such films is difficult. Properties of the interface ... synthesized in the form of nanocrystals or nanorods [3-5]. Inducing dimen- sional constraints by reducing the size of one or more dimensions has produced emergent phenomena...
Ngày tải lên : 21/06/2014, 04:20
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