Microstructure and magnetic properties of cozr and co doped tio2 thin films

... 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

... 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) i...

Ngày tải lên: 21/06/2014, 04:20

... fabrication of Ni/ NiO composites using a sputtering technique The study of the mechanisms of the high magnetization and coercivity of Ni/ NiO composites The study of Ni/ NiO composites prepared by magnetic ... 6.3 Effect of composition on the magnetic properties of Ni/ NiO composites 131 6.4 Effect of magnetic field on the magnetic properteis of Ni/ NiO com...

Ngày tải lên: 12/09/2015, 08:20

... 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

... 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

... 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...

Ngày tải lên: 21/06/2014, 04:20

... 1) Investigation of the material properties and physical parameters of Co/Pd based spinvalves and MTJs with perpendicular anisotropy a Understand the effects of perpendicular anisotropy on the ... coupling and coercivity b Control of perpendicular anisotropy and coercivity of Co/Pd multilayers and spinvalves c Optimization of the spin- valve and MT...

Ngày tải lên: 10/09/2015, 15:53

... Ta ratio, (ii) Co- Ta of 15% Ta ratio, (iii) Co- Ta of 20% Ta ratio and (iv) Co- Ta of 25% Ta ratio 68 Fig 4.6.4 MFM images of (i) Co, (ii) Co- Ta (5%), (iii) Co- Ta (10%), (iv) Co- Ta (15%), (v) Co- Ta ... Co- Ta (20%) and (vi) Co- Ta (25%) 69 Fig 4.6.5 TEM images showing the crystal structures of (i) Co- Ta of 10% Ta ratio, (ii) Co-...

Ngày tải lên: 10/11/2015, 11:35

... 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

... 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

... 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

... 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

... Influences of phase transition and microstructure on dielectric properties of Bi0.5Na0.5Zr1-xTixO3 ceramics Panupong Jaiban1, Ampika Rachakom1, Sukanda Jiansirisomboon1,2, and Anucha ... that evaporation of Na and Bi might occur which often resulted in a formation of a second phase and compositional inhomogeneity Similarly, several investigations also found t...

Ngày tải lên: 20/06/2014, 23:20

... 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

... 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 jou...

Ngày tải lên: 21/06/2014, 05:20