Different element substitution effects in transition metal oxypnictide Re(O1-xFx)TAs, with Re=La, Ce, Nd, Eu, Gd, Tin, T=Fe, Ni, Ru, are studied. Similar to the
Spin polarized injection into organic and inorganic semiconductors are studied theoretically from the spin diffusion theory and Ohms law, and the emphases are p
Single attosecond pulses can be generated when an intense laser pulse focused in a volume of a few cubic wave-lengths (λ3) is reflected from a solid plasma sur
The aberrations for anterior coeal surface, posterior coeal surface and complete eyes are measured and calculated. The aberrations for the crystalline lens are