Materials Literature
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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 Zongrong Wang, Tao Hu, Liwen Tang, Ning Ma, Chenlu Song, Gaorong Han, Wenjian Weng, Piyi Du; Ag n…
Abstract Liquid‐crystalline dendrons carrying either a thiol or disulfide function which display nematic, smectic A, columnar, or chiral nematic phases have been synthesized. Their mesomorphic properties are in agreement with the nature of the mesogenic units and structure of the dendrons. The first‐generation poly(ar…
Graphene is a novel material that reveals many remarkable properties. Academic and industry research groups around the globe are carrying out theoretical and experimental studies to discover and investigate characteristics of graphene. Due to its outstanding properties, graphene has a potential to revolutionize techno…
Two laboratory experiments were set up in order to investigate the influence of different parameters on slot partial discharge (PD) activity. The goal of the first experiment was to establish the relative importance of temperature and gap size on slot partial discharges (PDs). The second experiment was used to determi…
Abstract In this overview, the basic concepts of core and valence photoelectron spectroscopy (photoemission), photoelectron diffraction, and photoelectron holography are introduced. Then some current developments in these techniques that should enhance their utility for atomic‐level characterization of new materials a…
The oxidative pyrolysis kinetics of wheat straw was studied by thermogravimetric analysis (TGA) under oxygen dynamic atmosphere. Nonisothermal TGA data at three heating rates of 5, 10, and 20 K min −1 were analyzed. The kinetic conversion data calculated from the TGA data were fitted by the Weibull and logistic mixtur…
The study deals with thermal and optical properties of poly(methyl methacrylate) (PMMA) containing 2wt% calcium carbonate (CaCO3) nanofiller. It was found that the thermal conductivity increases with increasing temperatures, due to thermal activation of the phonons in the PMMA/CaCO3 nanocomposite. This enhancement in…
OBJECTIVES: Thermal dose in tumor tissue is a key factor for regional hyperthermia (HT) combined with chemotherapy and for drug delivery using thermosensitive liposomes (TSL). It influences therapy outcome, affects the accumulation of liposomes, and triggers the content release from TSL in the target tissue. For the d…
Expensive and explosive! The reaction of ammonia and gold(III) compounds leads to explosive products known as “fulminating gold”. Gold scientists should be aware of the potential hazards involved in the reaction of these starting materials. Herein, a historic and scientific review on this fascinating substance is pres…
Ensuring a reliable electric service to industrial, commercial and residential customers is becoming an important parameter for every electricity company due to the increased demand from the customers for less downtime, high productivity and reduced maintenance cost of machinery caused by unscheduled frequent interrup…
Based on a fluorolytic sol-gel synthesis, nanoscopic metal fluorides and partly hydroxylated metal fluorides were synthesized; varying the F : OH ratio inside these solids yielded catalysts with different combinations and variable strength Lewis and Brønsted acid sites, which demonstrated unexpected catalytic properti…
We present a general selective positioning and integration technique for fabricating single-walled carbon nanotube (SWNT) circuits with preselected individual SWNTs as building blocks by utilizing poly(methyl methacrylate) (PMMA) thin film as a macroscopically handlable mediator. The transparency and marker-replicatin…
The objective of this study was to develop a silk cable-reinforced gelatin/silk fibroin hybrid scaffold for ligament tissue engineering. The scaffold was fabricated by lyophilizing the cross-linked gelatin and silk fibroin mixture with braided silk cables. Scanning electronic microscopy (SEM) observation showed that m…
Polycrystalline Bi0.5Na0.5TiO3 (NBT) thin films have been successfully fabricated via a metal organic decomposition process on Pt/Ti/SiO2/Si substrates. The structural evolution of the as-prepared thin films annealed over the moderate temperature range 500–700 °C is studied. NBT thin films annealed at 700 °C are of si…
Yarn strength modelling and prediction has remained as the cynosure of research for the textile engineers although the investigation in this domain was first reported around one century ago. Several mathematical, statistical and empirical models have been developed in the past only to yield limited success in terms of…
This paper discusses partial discharge (PD) propagation, degradation and lifetime characteristics of magnet wires for inverter-fed motor under surge voltage application. Experimental results showed the time variation of PD activity, i.e. intermittent PD, successive PD, critical PD and breakdown (BD), under repetitive…
Covalent functionalisation of nanodiamond has been carried out by employing several methods. One of them involves the reaction of acid-treated nanodiamond with thionyl chloride followed by reaction with a long-chain aliphatic amine to produce the amide derivative. The second method involves reaction of acid-treated na…
This paper presents a comprehensive conductance and delay analysis of graphene nano-ribbon (GNR) interconnects. The conductance model of GNR is derived using a simple tight binding model and the linear response Landauer formula. Several GNR structures are examined, and the conductance among them and other interconnect…
We have evaluated the thermal conductivity of Si/SiGe superlattice films by theoretical analysis and experiment. In experiments, the ultrahigh vacuum chemical vapor deposition is employed to form the Si/Si0.71Ge0.29 and Si/Si0.8Ge0.2 superlattice films. The cross-plane thermal conductivities of these superlattice film…
White light has been produced using 798 nm laser excitation in Tm3++Ho3++Yb3+ codoped tellurite and germanate glasses. These glasses simultaneously generate the three primary colors, red, green, and blue, on 798 nm excitation. Thus, multicolor emission obtained was tuned to white luminescence by adjusting the Ho3+ ion…