Magnetic properties of sol gel synthesized c DOPED zno nanoparticles

... behavior of Au WO3 thin films under various applied voltages has been also studied Experimental details Sol–gel Au doped WO3 thin films were prepared using the following procedure At first, g of sodium ... The obtained value of η has been also reported for other WO3 compound films including WO3 Fe2O3 [33] and WO3 SiO2 [34] According to Fig 2a, the optical bandgap of the pure...

Ngày tải lên: 20/03/2014, 13:04

... 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...

Ngày tải lên: 20/03/2014, 13:08

... 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 decrease...

Ngày tải lên: 20/06/2014, 22:20

... 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...

Ngày tải lên: 21/06/2014, 17:20

... energies of transition metals in ZnO nanowires and bulk, and the magnetic coupling properties of the TMs in the two systems A brief summary of the letter is given in Sect ‘‘Summary’’ 481 Fig a The ZnO ... view of the ferromagnetic coupling and antiferromagnetic coupling between the two Cr atoms doped in ZnO nanowires The 3d levels are showed and the energy le...

Ngày tải lên: 22/06/2014, 01:20

... and magnetic properties of alkali and alkaline earth metals doped AlN In chapter 3, the electronic and magnetic properties have been discussed for Mg and other alkali (earth) metals doped AlN In ... the prospect of magnetism in other alkali and alkaline earth metals doped AlN from bulk to various surfaces To find out the nature of mag...

Ngày tải lên: 09/09/2015, 08:12

... MICROSTRUCTURE AND MAGNETIC PROPERTIES OF COZR AND CO- DOPED TIO2 THIN FILMS YAO XIAOFENG A THESIS SUBMITTED FOR THE DEGREE OF MASTER OF ENGINEERING DEPARTMENT OF ELECTRICAL AND COMPUTER ... spectrum of Iron 38 x Fig.3.1 Saturation magnetization of Co1 -xZrx thin films in as-deposited state 42 Fig.3.2 The development of in-plane and out -of- plane h...

Ngày tải lên: 26/11/2015, 12:15

... increase up-spin of positions 2a and 2b About the role of La to improve hard magnetic properties of hexagonal ferrite, the Vietnamese researchers have published a large number of publications ... and properties of Sr ferrite, J Phys IV, France (1997) CI 313 [17] N.Chau, N.K.Dung, D.L.Minh, B.T.Cong, High hard magnetic properties of Sr hexagonal ferrite substituted by...

Ngày tải lên: 13/02/2014, 03:20

... 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 substit...

Ngày tải lên: 13/02/2014, 04:20

... gas sensor for monitoring ammonia, Mater Char 58 (2007) 680–684 Please cite this article in press as: M Sánchez, M.E Rincón, Sensor response of sol–gel multiwalled carbon nanotubes-TiO2 composites ... doctorate degree under Prof Rincón’s surpevision Please cite this article in press as: M Sánchez, M.E Rincón, Sensor response of sol–gel multiwalled carbon nanotub...

Ngày tải lên: 20/03/2014, 13:07

... fine powder and calcined at 200 ◦ C for h to decompose the chloride 2.2 Characterization techniques The synthesized samples were characterized for their structure and morphology by X-ray powder ... the compound, the pellet was fabricated as: the crystalline powder was crushed into fine powder using a pestle and mortar A quantity of g powder was taken with 0.05 ml (25 mg) of an organ...

Ngày tải lên: 20/03/2014, 13:07

... 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 ... po...

Ngày tải lên: 23/03/2014, 17:22

Ngày tải lên: 01/04/2014, 10:40

... Molecular Chemistry of Sol-Gel Derived Nanomaterials Molecular Chemistry of Sol-Gel Derived Nanomaterials Robert Corriu and Nguyen Trong Anh ... fields of organometallic chemistry and the organometallic chemistry of silicon, Professor Corriu is particularly interested in the opportunities that molecular chemistry can create in the field of ... Polymerization an...

Ngày tải lên: 04/06/2014, 13:50

... 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 pre...

Ngày tải lên: 21/06/2014, 04:20