Materials Literature
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Dielectric studies of liquid crystals are important as they provide information about their molecular structure, intermolecular interaction, and molecular dynamics. The dielectric relaxation has been investigated for two different mesogenic cinnamates with a substituted ethyl terminal chain, β-methoxyethyl [4-(4′-n-oc…
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Tunnel magnetoresistance (TMR) was investigated for fully epitaxial Fe/MgO/Co2MnSn magnetic tunnel junctions (MTJs) fabricated on MgO (001) substrates. The bias-voltage-dependence of the TMR ratio showed that the sign of TMR ratio at 300 K becomes negative for the bias voltage between −800 mV and +200 mV, which may be…
Bentonite from Dilinh (Lamdong province, Vietnam) was used for pillaring and organofunctionalization process in the present study. The pillaring agent was obtained through controlled hydrolysis of AlCl3.6H2O/NaOH. Aluminium pillared clay (Al-PILC) was prepared by contacting of Aluminium pillaring agent and Na-montmori…
The paper deals with experience and techniques in the application of remotely controlled robotic devices for the dismantling of the A-1 NPP technological equipment during undergoing decommissioning process of the A-1 NPP, which is characterized by high level of radioactivity and contamination. For liquidation of the h…
Views Icon Views Article contents Figures & tables Video Audio Supplementary Data Peer Review Share Icon Share Twitter Facebook Reddit LinkedIn Tools Icon Tools Reprints and Permissions Cite Icon Cite Search Site Citation G. Ramalingam, J. Madhavan, R. Jerald Vijay, M. Vimalan, P. Sagayaraj; Synthesis Of CdSe@ZnS Quan…
MgF2 porous nanoparticle coatings with SiO2 binder were formed on glass substrates by solgel method. The samples were exposed to fluoro-alkyl silane (FAS) vapor and heated at 150°C to give water repellency. We measured surface roughnesses and static contact angles of water of the samples and examined the relation betw…
The current–voltage characteristic of graphene bilayers was obtained in the case of strong electric and magnetic fields. Regions of negative differential conductivity were obtained when the magnetic field was perpendicular to the layers of the bilayer graphene. In addition, the possibility of generating terahertz puls…
The native silk fibroin fiber from Bombyx mori has been used as suture with non-degradable character. Therefore, preparing biodegradable silk fibroin fiber is very attractive and important. In this paper, the biodegradable silk fibroin fiber with high strength was prepared according to the process of regenerated silk…
Porous tin oxide was prepared on silicon(111) substrate by the sol–gel route. Then, the samples were dried in air at 600°C for 30 min in an electric furnace. Scanning electron microscope (SEM) images indicated the high density of the pores. Circular microvoids formed by the rigid shaped microarray network of 200–300 n…
In order to obtain UV-shielding materials with good comfort, higher safety and effective UV-shielding ability, plate-like cerium phosphate Ce2(PO4)2HPO4·H2O (CePHPH)/calcia-doped ceria (Ce0.8Ca0.2O1.8, donated as: CDC) composites were synthesized by a precipitation method. UV-shielding ability and oxidation activity o…
In 1999, IAEA, the OECD Nuclear Energy Agency and the European Commission jointly proposed the standardised listing of decommissioning activities [1] to serve as a general basis for presentation of decommissioning costs and for promoting the harmonisation in decommissioning costing. The standardised listing of activit…
An organic marine dye compound (7‐bromo‐6‐chloro‐3‐[3‐[(2R, 3S)‐3‐hydroxy‐2‐piperidyl]‐2‐oxopropyl]‐4(3 H )‐quinazolinone) was synthesized. The characteristics of this dye is soluble in water. The organic compound was made into a crystal by slow evaporation technique. The grown crystals were characterized by single cr…
The structural stability and the electronic field emission properties of cone-capped carbon nanotubes have been deeply analyzed by the density functional theory. The results show that their structurs are much more stable than those of carbon nanocones and carbon nanotubes sealed with a C30 hemisphere, and their electr…
The effects of alkaline treatment on the WRV, crystalline structure and sheet structure of softwood and hardwood bleached kraft pulp were investigated. Sodium hydroxide and sodium carbonate were used as chemicals for alkaline treatment and two levels of alkali dosage (5%, 10%) were applied respectively. Alkali treated…
This paper introduces a general way to make feature extraction for partial discharge (PD) pulse waveshape used in sequence grouping resorting with equivalent time-frequency method. A digital ac PD pulse detection system with bandwidth of 10 kHz 40 MHz and sampling rate of 100 MS/s is introduced, which was developed to…
A 10kV cross-linked polyethylene (XLPE) cable joint simulation model was established, in which the electromagnetic wave resulted from partial discharge (PD) was simulated by Finite Integration Technique (FIT). Factors influencing the electric field intensity and energy loss of UHF signals were analyzed. The simulation…
The magnetic and electrical properties of (La 0.7 Sr 0.3 MnO 3 ) 1− x /(CuFe 2 O 4 ) x have been investigated. The (La 0.7 Sr 0.3 MnO 3 )1- x /(CuFe 2 O 4 ) x composites with x = 0, 0.01, 0.03, 0.06 and 0.09 wt.% were prepared by conventional solid state reaction method, respectively. The structures, morphology, magne…
Many polyalcohols will change from one crystal structure to another at certain temperatures. A lot of works had reported their phase change enthalpy, phase change temperature and phase diagram. It is taken that their phase change enthalpy must be related to their hydrogen bond. This article investigated quantitatively…
Based on the energy dispersion relation involving curvature effects for the single-walled carbon nanotube (SWCNT), the electronic velocity and the effective mass of the lowest conduction band for the SWCNT are computed and they are compared with the results without consideration of the curvature effects. The analysis…