[PDF] Top 20 Formación de la deuda pública en Colombia

... cell. Magnetic study suggests that compound is ferromagnetic in nature in the temperature range 220-300K that attributes transformation effect and as a result of this three dimensional (3D) characters is ... See full document

... (molar magnetic susceptibility) versus T (temperature) values, given in Table 3 are plotted in figure 2, suggests that the phase has positive Weiss ...The magnetic moment (µ eff ) for the low and high ... See full document

... The unit cell parameters of the phase were calculated from X-ray diffraction data (Table 2). The indexing of the data shows that it crystallises in the orthorhombic unit cell (a=21.518Å, b=10.706Åand c=8.445Å). In order ... See full document

... molar magnetic susceptibility measurements as a function of temperature suggest that the phase is anti ferromagnetic at temperature below 240K and ferromagnetic above ...The magnetic moment (µ eff ) for low ... See full document

... creasing the applied magnetic field up to 0.1 T and at- tains its saturation value for fields higher than 1.5 Tesla. In low field Rayleigh region, magnetization is believed to change entirely by domain wall ... See full document

... The structure of the samples was examined in a Brucker D5005 X-ray diffractometer ...equipment–450–FEI. Magnetic measuments including Hysteresis loops and isothermal magnetization curves of the samples were ... See full document

... The SO interaction was included using a second varia- tional scheme [23] by taking all states below the cut off energy 1.5 Ry. The orbital moment is affected by spin orbit coupling and other correlation effects. The band ... See full document

... of the 5-nm-thick bottom Co-Pt layers was fi rstly reversed by AF-coupling. Hexagonal arrays of dots and holes were formed on both (top and bottom) Co-Pt layers and only on the top Co-Pt layer. The interlayer exchange ... See full document

... domain structure widens and, finally, the whole matrix has domain structure in the inner wall ...domain structure can be found due to the ...of magnetic domain ... See full document

... various magnetic parameters such as saturation magnetization, coercivity and retentivity was measured using a vibrating sample magnetometer and are as tabulated in ...The magnetic hysteresis loops for the ... See full document

... thick magnetite, 17 large orbital moment in nanoscale magne- tite, 18 giant magnetization in nanometer-thick magnetite, 19 a spin Seebeck effect, 20 a spin filter effect, 21 electrical field- induced phase transition, ... See full document

... optical properties of the title molecule first order hyperpolarizability components are calculated and its shows the title molecule is promising candidate for NLO ... See full document

... Grain and seed properties are determined from their leachates, too. For example, Couto et al. (1998) measured electrical conductivity of leachates from cut soybean seeds drowned in distilled water. The response of ... See full document

... the magnetic and conduction-radiation parameters, M and ...the magnetic parameter M increases, the maximum value of 𝛺 decreases, since 𝑁𝑢 decreases on the hot wall as shown in Table ... See full document

... Recent years have witnessed a dramatic development in using various types of nanoparticles (NPs) in medical theranostic applications. Among them, magnetic NPs (MNPs) have gained remarkable attention because of ... See full document

... an electric field, with the initial voltage applied on both the gate and the drain area, the current flow can be manipulated by the passing through or not via the magnetic barrier 7 ... See full document

... CNTs can be prepared by the reaction of Amino Acid with Manganese salt and by decomposing the compound formed. Chemical compound is prepared in organic medium. This shows that even after denaturation, protein form ... See full document

... Voltage curves of lateral crystal C^o device with CoFe electrodes measured at various magnetic fields.. A series of current vs.[r] ... See full document

... (x = 0, 25, 50, 75 and 100 wt%) were prepared by using a new procedure based in the solid state method. X-ray powder diffraction patterns, Raman and Infrared spectroscopy, Mössbauer spectroscopy and scanning electron ... See full document

... atomic structure of SFMO films acquired by Z-contrast imaging in ...lattice structure as the surround- ing matrix, suggesting that these areas belong to a composi- tion with symmetry and lattice parameters ... See full document