In this study, nano graphene oxide (NGO) was synthesized by modified Hummer's method, the functionalization surface of amino acid (methionine, cysteine) covalent NGO with group using microwave 20% power (140 W) and characterization Fourier transform infrared spectrophotometer (FT-IR), X-ray diffraction spectroscopy (XRD), field emission scanning electronic microscopy (FESEM). The calculated par...

The Hall effect is a powerful tool for investigating carrier type and density. For single-band materials, the Hall coefficient is traditionally expressed simply by , where e is the charge of the carrier, and n is the concentration. However, it is well known that in the critical region near a quantum phase transition, as it was demonstrated for cuprates and heavy fermions, the Hall coefficient e...

It is shown that if q is a prime power then there are Williamson-type matrices of order (i) 1/2q2(q + 1) when q ≡ 1 (mod 4), (ii)1/4q2(q + 1) when q ≡ 3 (mod 4) and there are Williamson-type matrices of order l/4(q + 1). This gives Williamson-type matrices for the new orders 363, 1183, 1805, 2601, 3174, 5103. The construction can be combined with known results on orthogonal designs to give an H...

Neuroimmune Signaling in the Hippocampus: Mechanisms of Risk and Resilience by Lauren Leshen Williamson Department of Psychology & Neuroscience Duke University Date: _______________________ Approved: ___________________________ Staci D. Bilbo, Supervisor ___________________________ Christina L. Williams ___________________________ Henry Yin ___________________________ Cagla Eroglu _____________...

An effect of activation with nanosized particles Fe 3 O 4 on structural and magnetic properties zinc-tellurite glasses 20·ZnO-(80-x)·TeO 2 -x·Fe (x=0, 1, 3, 7), prepared melt-quenching method, have been investigated. Some functional the were experimentally investigated X-ray diffraction, Energy dispersive Raman spectroscopies, SQUID magnetometry. The values average crystallite sizes calculated ...

Abstract In this article, we report a detailed study on the influence of sputter power physical properties NiO films grown by DC magnetron sputtering. Structural studies carried out Grazing Incidence X-ray diffraction (XRD) reveals polycrystalline nature with FCC phase. The crystallographic orientation (111) plane followed (200), (220), and (311) were evident from XRD spectra. average crystalli...

The bacterial spot disease of cowpeas was first noted in southern Indiana in 1919, out its bacterial nature was not determined until 1921, when it occurred in an experimental plot of cowpeas at La Fayette, Ind. It is a typical spot disease of the leaves, stems, and pods, distinctly different from the other bacterial diseases of cowpeas reported in the literature. The organism which causes this ...

The density and the character of dislocations and the size-distribution of grains or subgrains were determined by a new procedure of X-ray diffraction (XRD) profile analysis in copper specimens deformed by equal channel angular pressing (ECA) or cold rolling. The anisotropic strain broadening of diffraction profiles was accounted for by dislocation contrast factors. The screw or edge character ...