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Thanks to a very good velocity matching between the microwave signals and optical waves in polymeric materials and progress in the synthesis of high hyperpolarizability chromophores, electro-optic (EO) polymers offer a very attractive possibility to realize low cost photonic microwave components with a very wide bandwidth and a very low driving signal. Indeed, on one hand, the EO coefficient of EO...
High-performance permanent magnets for energy-related applications require a high energy product (BH)max. It has been proposed that the two-phase materials exchange-coupled between magnetically hard and soft phases may greatly enhance the energy products.[1,2] More recently, self-assembly of two-component with hard magnetic phase FePt and soft magnetic phase Fe3Pt nanocomposites has successfully enhanced...
The ReFeO3 (where Re is rare earth element) materials crystallize in a distorted perovskite structure with an orthorhombic unit cell. They exhibit a large number of novel and interesting physical phenomena, including magneto-optic effects, colossal magnetoresistance, high-Tc superconductivity, and multiferroic behaviors[1, 2]. These materials have widely potential applications in various fields, such...
The existence of diamagnetic and ferromagnetic spin moment behaviors at nanoscale in Ag nanoparticles is reported. Ag nanoparticles were fabricated by thermal evaporation method and magnetization measurements were performed using a quantum design physical properties measurement system (PPMS). X-ray diffraction and atomic force microscope were used to characterize the sample quality and size distribution...
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