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

... Access Synthesis and magnetic properties of Zr doped ZnO Nanoparticles Jing Zhang, Daqiang Gao, Guijin Yang, Jinlin Zhang, Zhenhua Shi, Zhaohui Zhang, Zhonghua Zhu and Desheng Xue * Abstract Zr doped ... content of Zr, and decreases continuously as the i ncrease of the doping Zr content through the magnetic measurement at RT. Combining with the results of Ra...

Ngày tải lên: 20/06/2014, 22:20

... 6:613 http://www.nanoscalereslett.com/content/6/1/613 Page 8 of 8 NANO EXPRESS Open Access Structural and physical properties of antibacterial Ag-doped nano-hydroxyapatite synthesized at 100°C Carmen Steluta Ciobanu 1 , ... sample. The chang es are attributed to the substitution of Ag + from Ca 2+ into the lattice of apatite. Bands’ characteristics of the phosphate...

Ngày tải lên: 20/06/2014, 23:20

... Access Fabrication and magnetic properties of granular Co/porous InP nanocomposite materials Tao Zhou 1 , Dandan Cheng 1 , Maojun Zheng 1* ,LiMa 2 and Wenzhong Shen 1 Abstract A novel Co /InP magnetic semiconductor ... in the InP matrix dominate the magnetic behavior of this Co /InP nanocomposite when the content of Co gradually increases due to the Figure 2 FE...

Ngày tải lên: 21/06/2014, 04:20

... 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 ... of states and total energies for the SL with n=10. (a) Total density of states (in black) and project density of states (in gray) for the Cr–3d. (b) Total energies...

Ngày tải lên: 21/06/2014, 05:20

... etching time 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 a 1826 Nanoscale Res Lett (2010) 5:1822–1828 123 NANO EXPRESS Synthesis and Photoluminescence Properties of Porous Silicon Nanowire Arrays Linhan Lin • Sipi...

Ngày tải lên: 21/06/2014, 08:20

... rational synthesis of maghemite (c-Fe 2 O 3 ) short-nanotubes (SNTs) by a convenient hydro- thermal method and subsequent annealing process. The structure, 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 between the magnetic proper...

Ngày tải lên: 21/06/2014, 17:20

... 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 s mechanically tilted to get several ... McMillan; 1933. doi:10.1186/1556-276X-7-55 Cite this article as: Ko et al.: Structural and optical properties of a radio frequency magnetron-sputtered Z...

Ngày tải lên: 21/06/2014, 17:20

... synthesize nearly monodispersed CoFe 2 O 4 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 CoFe 2 O 4 Nanoparticles Through a Simple Hydrothermal Condition Xing-Hua Li • Ca...

Ngày tải lên: 21/06/2014, 18:20

... prepared, and few microlitres (10–50 lL) of these solutions were added to the different sets of 3 mL solution of CdTe QDs. In a typical synthesis of CdTe–Dendrimer conjugate, 3 mL aqueous solution of ... quenching of CdTe QDs, (Here, F 0 and F are the PL intensities of the respective CdTe QDs in absence and presence of dendrimer, respectively) Inset double-logarithmic...

Ngày tải lên: 21/06/2014, 20:20

... also propose a growth mechanism for Ni nanotubes and nanowires. The proposed growth mechanism for Ni nanotubes and nanowires in our work is different from others reported before and is easier for ... process for Ni nanotubes and nanowires. Figure 4a provides a clear understanding of the growth mechanism of Ni nanotubes. The junction between the electrod...

Ngày tải lên: 21/06/2014, 20:20

... 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. Vepr ˇ ek ... high loadings of ZnO keeps well ordered hexagonal mesoporous structure of SBA-15. ZnO in the ZnO/ SBA-15 nanocom- posite calcined at 500 °C e...

Ngày tải lên: 22/06/2014, 00:20

... (2000) Fig. 6 Photoluminescence spectra of b-SiC NWs 256 Nanoscale Res Lett (2010) 5:252–256 123 NANO 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 mechanism Introduct...

Ngày tải lên: 22/06/2014, 00:20

... difference of the positions of PL emission peaks of hybrids (1) and (2) is likely due to the different 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 analyses confirmed the link between Au and Pd(II) through S-bridge. The nanoparticles...

Ngày tải lên: 22/06/2014, 01:20

... Foundation of China (Grant Nos. 60778040, 10804036, 60878039), the Science and Technology Bureau of Key Program for Ministry of Education (Item No. 207025), and the Development of the Science and Technology ... best friction -and- wear properties. Tribological experiments indicated that the effect of WSe 2 nanorods as lubrication additive could be attribute to the molecule-...

Ngày tải lên: 22/06/2014, 01:20

... AAO template and SnS nanowire arrays. a The sample was etched for 10 h. b The SnS nanowires with 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 E g of the SnS nanowires has been calculated as 1.59 eV, and this experimental optical band gap value is th...

Ngày tải lên: 22/06/2014, 01:20