Structure and magnetic properties of ni nio, co coo composite films

... 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

... 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

... 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

... Izaki’s method, the incorporation of Zn into magnetite was finished by the deposition of magnetite film on ZnO thin film, so the Zn content of ferrite film and the magnetic properties cannot be well adjusted ... patterns of the ZnxFe3-xO4 ferrite films with x = 0, 0.12, 0.41, 0.77, and 0.99 Figure shows the XRD patterns of the ZnxFe3-xO4 ferrite films with the x values of...

Ngày tải lên: 21/06/2014, 17:20

... investigated b-MnO2 nanorods can, therefore, be explained in terms of a superposition of 123 86 magnetic properties of the spatially segregated constituent manganese-oxide phases b-MnO2 and a-Mn2O3, ... temperatures 93 K and 80 K (best observed on the T and T curves) that are independent of the magnetic field, followed by a decrease of Fig (Color online) (a) Atomic-re...

Ngày tải lên: 22/06/2014, 22:20

... done on the effects of layers added to the FePt magnetic layer The focus point of this thesis project is to carry out a systematic study on the influence of additional nonmagnetic layers on the ... performance The effect of additional nonmagnetic layers on the phase transformation of FePt thin films with different substrates is the m...

Ngày tải lên: 13/09/2015, 21:23

... 4.4.1 Structure and microstructure of Fe nanowires ………………… … 97 4.4.2 Magnetic properties of Fe nanowires ……………………………… 100 4.5 Cu nanowires …………………………………………………………… 102 4.5.1 Structure and microstructure ... parameter of nanowires …………………………………………86 4.2 Ni nanowires ……………………………………………………………… 87 4.2.1 Structure and microstructure of Ni nanowires ……………………… 87 4.2.2...

Ngày tải lên: 14/09/2015, 08:45

... films for spintronic application It would 23 provide guidance on the understanding of structural and magnetic properties of CMS Heusler alloys and its further application into the field of spin-electronics ... [34], the origin of the bandgap in Heusler alloys is caused by the d-d states hybridization of X and Y transition metals, as the DOS 14 in...

Ngày tải lên: 16/10/2015, 12:00

... al.: Structure and electrical properties of sputtered TiO2/ZrO2 bilayer composite dielectrics upon annealing in nitrogen Nanoscale Research Letters 2012 7:31 Submit your manuscript to a journal and ... revision of the manuscript LPS and YW participated in the preparation of the TiO2/ZrO2 bilayer thin film JQZ and YY contributed to the structure char...

Ngày tải lên: 20/06/2014, 21:20

... direction of magnetic moment of A ions and magnetic moment of B1 and B2 ions Comparing MSt and MSe from Tab 2, we could determine the canting angle between magnetic moments of B1 and B2 ions in ... superparamagnetic properties of Ni -Zn ferrite for nano-bio fusion applications ware reported [13] In this paper we study magnetic and electric properties includi...

Ngày tải lên: 22/03/2014, 11:20

... 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

... 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