Materials Literature
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High-quality single crystals of Lu 2 Fe 3 Si 5 and Sc 2 Fe 3 Si 5 are grown by the floating-zone method, and their temperature dependences of specific heat are measured down to 0.35 K. Both compounds show anomalously small jump in specific heat at the superconducting transition temperature, T c , and large residual sp…
The biosensing selectivity of a carbon nanotube field-effect transistor (NTFET) was examined using a mixture of pig serum albumin (PSA) and mouse immune globulin (MIgG). From analyses using the Langmuir equation, we confirmed that the PSA and MIgG sensors demonstrated good selectivity. It was observed that selective s…
The work is to develop a model for magnetic hysteresis taking into account the temperature. We introduced the effect of temperature through behavior as a function of temperature settings and model Jiles Atherton. The results of the model in terms of saturation induction, remanent induction, coercive field and the evol…
Quantum chemical simulation was used to investigate the catalytic mechanism of Na/K on NO-char heterogeneous reactions during the coal reburning process. Both NO-char and NO-Na/K reactions were considered as three-step processes in this calculation. Based on geometry optimizations made using the UB3LYP/6-31G(d) method…
The possibility of using numerical criteria of polymer carbonization was considered based of experimental data on the kinetics of thermal degradation and cross-linking of various polymers. The main methodological approaches to determining the parameters of thermochemical carbonization reactions and evaluating the pros…
The results of investigations of the magnetic and Raman spectra, magnetic properties, and magnetoresistance of vanadium-substituted chromium copper disulfides CuV x Cr1 − x S2 (x = 0.1) are presented.
The interaction of polyampholyte propylenimine dendrimers of five generations containing peripheral carboxyl and inner tertiary amino groups with lightly crosslinked highly swelling polyelectrolyte gels has been studied. It has been shown that the polyampholyte dendrimers of all five generations are efficiently sorbed…
The current situation with research into the effect of ionizing radiation exposure on the structure and properties of polytetrafluoroethylene was analyzed. New methods of radiation-induced modification, that improve the performance characteristics of polytetrafluoroethylene, were discussed. The results of research int…
Using the methods of scanning and spectral laser ellipsometry and Raman scattering spectroscopy, GeO 2 films containing Ge nanoclusters with a Ge/GeO 2 mole ratio of 1: 1 are studied. A substantial difference is found between the experimental spectral dependence of the complex permittivity of the films and the one cal…
Rare earth sesquisulfides α-Tb 2 S 3 and α-Dy 2 S 3 possess orthorhombic crystal structure having two independent rare earth sites. High field magnetization processes for single crystals of these compounds have been investigated up to μ o H = 18 T. Some step-like transitions have been observed in both compounds. The m…
Optimum conditions for microstructural control in industrial hot working of cast and homogenized AZ31 magnesium alloys are evaluated by using a processing map. The recommended window for bulk metal working of this alloy is the domain in the temperature range 300–450 °C and strain rate range 1–10 s−1, and the optimum p…
The carbon nanotube (CNT) bundles have potential to provide an attractive solution for the resistivity and electromigration problems faced by traditional copper interconnects in very deep submicron (VDSM) technology. This paper presents a comprehensive analysis of mixed bundles of CNTs and compares various transmissio…
In this work, highly selective filters based on periodic arrays of electrically small resonators are pointed out. The high-pass filters are implemented in microstrip technology by etching complementary split ring resonators (CSRRs), or complementary spiral resonators (CSRs), in the ground plane, and series capacitive…
Development of Picosecond Time-Resolved Microbeam X-ray Diffraction Technique for Investigation of Optical Recording Process, Tanaka, Yoshihito, Fukuyama, Yoshimitsu, Yasuda, Nobuhiro, Kim, Jungeun, Murayama, Haruno, Kohara, Shinji, Osawa, Hitoshi, Nakagawa, Takeshi, Kimura, Shigeru, Kato, Kenich, Yoshida, Fumiko, Kam…
Super-resolution read-only-memory (ROM) disks were manufactured with a semiconductor material (InSb) or a phase change material (AgInSbTe, AIST). A reasonable carrier-to-noise ratio (CNR) of 40 dBm was measured on a single-tone pattern with 80 nm pits for both materials. On a random pattern with RLL(1,9) (RLL: run-len…
Dielectric polarization P of a geometrically frustrated spin system MnWO 4 has been examined for B || x and E || b * in pulsed magnetic fields up to 52 T. We have observed two new phased IV (38 ⩽ B ⩽ 48 T) and V ( B ⩾ 48 T). Moreover, we found that the IV-phase also exhibits ferroelectricity, in addition to the AF2-ph…
The systemized experimental results of volume and surface modification of industrial rubbers of different purpose with the fluorine-containing compounds is described in the survey. The elastomer surface modification with fluorine mixed with inert gases and by combined techniques using the “surface-prescription” approa…
In this work, V and Ga co-doped TiO2 thin films were obtained by pulsed laser deposition (PLD) using sintered ceramic targets, followed by short term annealing at 1000°C. The structures of the thin films were characterized by X-ray diffraction (XRD) and the optical absorption properties of the films were investigated…
The experimental data on memory effects in an incommensurate phase are analyzed both in undoped layered TlInS 2 crystals selected from different technological batches and in TlInS 2 : La. Various types of unusual memory effect are detected. It is shown that the observed memory effects are due to pinning of the soliton…
The Sr0.78Y0.22Co1 − x Fe x O3 − γ cobaltite system is studied by neutron and X-ray diffraction and by measuring the magnetization and elastic properties. The crystal structure of the composition with x = 0 is described in terms of the monoclinic space group A2/m with the unit cell 2 $$ \sqrt 2 $$ a p × 4a p × 2 $$ \s…