Ternary iron arsenide EuFe2 As2 with ThCr2 Si2 -type structure has been studied by magnetic susceptibility, resistivity, thermopower, Hall, and specific-heat measurements. The compound undergoes two magnetic phase transitions at about 200 and 20 K, respectively. The former was found to be accompanied with a slight drop in magnetic susceptibility (after subtracting the Curie-Weiss paramagnetic c...

The thermodynamic properties of Si clusters are calculated using rst principles quantum methods combined with molecular dynamics for simulating the trajectories of clusters. A plane wave basis is used with ab initio pseudopotentials and the local density approximation for determining the electronic energies and forces. Langevin molecular dynamics simulates thermal contact with a constant temper...

A series of anthraquinone-imide-based dimers, C5 -AQI-Si2, C5 -AQI-Si3, C5 -AQI-Si4, and C5 AQI-Si8, have been prepared by the hydrosilylation of N-(hex-5-enyl)-6-(40-((S)-2-methylbutoxy)phenyl)anthraquinone-2,3-dicarboxylic imide and hydride-terminated siloxanes with different lengths. Their liquid crystalline behaviors, and piezochromic and near-infrared electrochromic properties have been ch...

Electrical transport measurements were performed on URu2 - x Fe x Si2 single-crystal specimens in high magnetic fields up to 45 T (DC fields) and 60 T (pulsed fields). We observed a systematic evolution of the critical fields for both the hidden-order (HO) and large-moment antiferromagnetic (LMAFM) phases and established the 3D phase diagram of T-H-x In the HO phase, H/H0 scales with T/T0 and c...

This work presents research on the effects of polycaprolactone (PCL) and PCL modified with silica (Si2) nanoparticles, on the color change of offset printed paperboard. The nanocomposite was prepared with three different concentrations (1%, 2% and 3%) of SiO2, and applied in four different coating thicknesses (4 μm, 24 μm, 40 μm and 80 μm). The color values of the printed sample were measured b...

Meloidogyne graminicola merupakan salah satu nematoda parasit penting pada tanaman padi. M. menyebabkan gejala puru akar sehingga pertumbuhan terhambat dan terganggu. Pengendalian sangat dilakukan agar kerusakan padi penyebarannya dapat ditekan. Penelitian ini bertujuan untuk menguji potensi bakteri endofit dalam mengendalikan (NPA) Empat isolat asal padi, yaitu Si33, Si2, Sp24, GH1, kentang G0...

– A variant of a simple method for chaos control is applied to achieve control in random Boolean networks (RBN). It is shown that a RBN in the chaotic phase can be forced to behave periodically if a certain quenched fraction γ of the automata is given a fixed state (the system variables) every τ time steps. An analytic relationship between γ and τ is derived and numerically tested. A simple the...