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
... Access Synthesis and magnetic properties of Zr doped ZnO NanoparticlesJing Zhang, Daqiang Gao, Guijin Yang, Jinlin Zhang, Zhenhua Shi, Zhaohui Zhang, Zhonghua Zhu and Desheng Xue*Abstract Zr doped ... content of Zr, and decreases continuouslyas the i ncrease of the doping Zr content through the magnetic measurement at RT. Combining with theresults of Raman and XPS, we suppose that the FM of the ... 0.0013 μB /Zr (Zn0.98 Zr 0.02O) as the increase of the doping content.Figure 3 TEM and HRTEM images of Zn0.995 Zr 0.005ONps.(a) The representative TEM image of Zn0.995 Zr 0.005O and the...
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Báo cáo hóa học: " Structural and physical properties of antibacterial Ag-doped nano-hydroxyapatite synthesized at 100°C" pptx
... 6:613http://www.nanoscalereslett.com/content/6/1/613Page 8 of 8NANO EXPRESS Open Access Structural and physical properties of antibacterial Ag-doped nano-hydroxyapatite synthesized at 100°CCarmen Steluta Ciobanu1, ... sample. The chang es are attributed tothe substitution of Ag+from Ca2+into the lattice of apatite.Bands’ characteristics of the phosphate and hydrogenphosphate groups in apatitic environment ... M, Hotokebuchi T: Development of novel thermal sprayed antibacterial coating and evaluation of release properties of silver ions. JBiomed Mater Res B Appl Biomater 2008, 89B:456-465.22. Sanpo...
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Báo cáo hóa học: "Fabrication and magnetic properties of granular Co/porous InP nanocomposite materials" ppt
... AccessFabrication and magnetic properties of granular Co/porous InP nanocomposite materialsTao Zhou1, Dandan Cheng1, Maojun Zheng1*,LiMa2 and Wenzhong Shen1AbstractA novel Co /InP magnetic semiconductor ... in the InP matrix dominatethe magnetic behavior of this Co /InP nanocomposite when the content of Co gradually increases due to theFigure 2 FE-SEM images of the cross section of Co /InP nanocomposite ... for nanofabrication.With the increasing deposition time of Co, the size or con-tent of granular Co embedded in the InP templateincreases, and the m agnetic behavior of such Co /InP nanocomposites...
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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 themanuscript. All authors read and ... of states and total energies for the SL with n=10. (a) Total density of states (in black) and project density of states (ingray) for the Cr–3d. (b) Total energies for the non magnetic (NM) and ... carriers.AbbreviationsAFM: anti-ferromagnetic; FM: ferromagnetic; GGA-PBE: generalized gradientapproximation 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 Photoluminescence Properties of Porous Silicon Nanowire Arrays" pdf
... etchingtime and doping lever of the silicon wafer. The diffusion of silver ions could lead to the nucleation of silver nanoparti-cles on the nanowires and open new etching ways. Like porous silicon ... in a1826 Nanoscale Res Lett (2010) 5:1822–1828123NANO EXPRESS Synthesis and Photoluminescence Properties of Porous Silicon Nanowire ArraysLinhan Lin•Siping Guo•Xianzhong Sun•Jiayou ... SiNWs.Figure 6a and b display the PL spectrums of the porous SiNWs with different H2O2concentrations and etchingFig. 2 SEM and TEM images of the variable morphology of porous SiNWs etched...
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Báo cáo hóa học: " Synthesis and Magnetic Properties of Maghemite (c-Fe2O3) Short-Nanotubes" ppt
... rational synthesis of maghemite (c-Fe2O3) short-nanotubes (SNTs) by a convenient hydro-thermal method and subsequent annealing process. Thestructure, shape, and magnetic properties of the ... physical and chemical properties based on their high intrinsic anisotropy and surface activity[4, 5]. Especially, understanding the correlation betweenthe magnetic properties and the morphology of ... structures. The room-temperature and low-temperature magnetic properties of these SNTs were investigated. The study of pure c-Fe2O3SNTs and their magnetic properties is a key issue, not onlyfor...
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báo cáo hóa học:" Structural and optical properties of a radio frequency magnetron-sputtered ZnO thin film with different growth angles" pdf
... shows a schematic of the film deposition appara-tus to achieve different growth angles of the ZnO films. A 99.99% ZnO target was fixed, and a sa mple holder wa smechanically tilted to get several ... McMillan; 1933.doi:10.1186/1556-276X-7-55Cite this article as: Ko et al.: Structural and optical properties of a radio frequency magnetron-sputtered ZnO thin film with different growth angles. Nanoscale ... the wavelength of inci dencerays and the growth angle. The lowest average reflectanceat 550 nm was measured with the 15° angled columnar thin film with a value of 8.67%. The best optical properties 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 system-atically investigate the magnetic properties of the as-pre-pared nanomaterials. At room temperature, these as-prepared nanoparticles ... NANO EXPRESS Synthesis and Magnetic Properties of Nearly Monodisperse CoFe2O4 Nanoparticles Through a Simple HydrothermalConditionXing-Hua Li•Cai-Ling Xu•Xiang-Hua Han•Liang Qiao•Tao ... biomedical applications, CoFe2O4 nanoparticles are required to have a narrow size distribu-tion, high magnetization values, a uniform spherical shape, and superparamagnetic behavior at room...
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Báo cáo hóa học: "Synthesis and Spectral Studies of CdTe–Dendrimer Conjugates" docx
... prepared, and fewmicrolitres (10–50 lL) of these solutions were added to thedifferent sets of 3 mL solution of CdTe QDs. In a typicalsynthesis of CdTe–Dendrimer conjugate, 3 mL aqueoussolution of ... quenching of CdTe QDs, (Here,F0 and F are the PL intensities of the respective CdTe QDs in absence and presence of dendrimer, respectively) Inset double-logarithmicplot of the quenching of CdTe ... mode of surface amine group(NH2) of dendrimer is present in the CdTe–Dendrimer conjugate. This suggests that a fraction of surface aminegroups of dendrimer is used for coupling with QDs, and...
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Báo cáo hóa học: "Synthesis and Growth Mechanism of Ni Nanotubes and Nanowires" potx
... also propose a growth mechanism for Ni nanotubes and nanowires. The proposed growth mechanism for Ni nanotubes and nanowires in ourwork is different from others reported before and is easierfor ... process for Ni nanotubes and nanowires. Figure 4a provides a clearunderstanding of the growth mechanism of Ni nanotubes. The junction between the electrode surface and the bottomedge of the template ... studied the formation mechanism of the Ni nanostructures [16–21], but the growth mechanism is still unclear so far. Therefore, acomplete understanding of the growth mechanism needsintense investigation....
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Báo cáo hóa học: " Structure and Photoluminescent Properties of ZnO Encapsulated in Mesoporous Silica SBA-15 Fabricated by Two-Solvent Strategy" doc
... calcined at 650 °C exists in form of the crystalline ZnO wurtzite phase. ZnO in the 20 wt% ZnO/ SBA-15 nanocomposite calcined at 500 °C exists in form of the non-crystalline ZnO phase or ZnO clusters.Veprˇek ... highloadings of ZnO keeps well ordered hexagonal mesoporous structure of SBA-15. ZnO in the ZnO/ SBA-15 nanocom-posite calcined at 500 °C exists in form of non-crystallineclusters distributed in the ... thesynthesis of zinc oxide encapsulated in mesoporous silica SBA-15 by the two-solvent method has not been studied sofar. In our present work, we prepared a nanocomposite of ZnO clusters supported in mesoporous...
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Báo cáo hóa học: " Synthesis and Photoluminescence Property of Silicon Carbide Nanowires Via Carbothermic Reduction of Silica" doc
... (2000)Fig. 6 Photoluminescence spectra of b-SiC NWs256 Nanoscale Res Lett (2010) 5:252–256123NANO EXPRESS Synthesis and Photoluminescence Property of Silicon Carbide Nanowires Via Carbothermic Reduction ... interface.Keywords Silicon carbide nanowires Á Carbothermic reduction Á Bamboo carbon Á Photoluminescence property Á Growth mechanismIntroductionRecently, the preparation of one-dimensional nanowires has ... microscopy and Fourier transformed infraredspectroscopy were used to characterize the silicon carbide nanowires. The results show that the silicon carbide nanowires have a core–shell structure and...
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Báo cáo hóa học: " Synthesis and Microstructural Investigations of Organometallic Pd(II) Thiol-Gold Nanoparticles Hybrids" potx
... difference of the positions of PLemission peaks of hybrids (1) and (2) is likely due to thedifferent chemical structure of the organometallic Pd(II) complex.The shape and structure of the hybrid ... gold nanoparticles was synthe-sized and characterized and XRD, TEM, and XPS analysesconfirmed the link between Au and Pd(II) through S-bridge.The nanoparticles are homogeneous in size and structure ... steric effect of the complex (1).Photoluminescence measurements (PL) of hybrid (1)showed an emission band with two maxima, at 418 and 440 nm that has been compared with the emission band of hybrid...
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Báo cáo hóa học: " Synthesis and Tribological Properties of WSe2 Nanorods" ppt
... Foundation of China (Grant Nos. 60778040, 10804036,60878039), the Science and Technology Bureau of Key Program forMinistry of Education (Item No. 207025), and the Development of theScience and Technology ... bestfriction -and- wear properties. Tribological experimentsindicated that the effect of WSe2nanorods as lubricationadditive could be attribute to the molecule-bearing mech-anism of rolling friction and ... h without any activereagent, and then a series of suspended oil samples wereobtained. The tribological properties of the base oil con-taining WSe2nanorods and the base oil were investigatedusing...
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Báo cáo hóa học: " Characterization and Optical Properties of the Single Crystalline SnS Nanowire Arrays" pot
... AAOtemplate and SnS nanowire arrays. a The sample was etchedfor 10 h. b The SnS nanowireswith a diameter of about 50 nm.c The SAED pattern taken from the nanowires in (b). d The HRTEM image of the SnS nanowires ... region. The direct energy gap Eg of the SnS nanowires has been calculated as 1.59 eV, and thisexperimental optical band gap value is the evidence for the quantum confinement of the SnS nanowires.Acknowledgments ... revealsthat the product is composed of stannum and sulfur, and the ratio of the S atom and Sn atom is 1:0.985, which justaccords with the stoichiometric ratio of SnS. The representative optical...
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