Materials Literature
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Nanosphere lithography is an inexpensive, simple, high-throughput nanofabrication process. NSL can be done in different ways, such as drop coating, spin coating or by means of tilted evaporation. Nitride-based light-emitting diodes (LEDs) are applied in different places, such as liquid crystal displays and traffic sig…
Numerical simulations for tests of thin metal plate against explosion were performed by using models with and without taking into account shock wave around-flow. The results show that the center deflections of plates from numerical simulations are in good agreement with those from experiments, and that the shock wave…
Due to its excellent properties and good workability, castables is widely used in metallurgical field especially in steel and nonferrous metallurgical industry. In this article, we mainly had a comparative analysis of corundum castables and corundum MA spinel castables with 15% and 30% MA spinel addition . The physica…
Cucurbit[8]uril Binding In their Communication on page 225 ff., J. Fraser Stoddart and co-workers show that the dimethyldiazaperopyrenium dication, prepared in three steps from a pigment used in car paint, behaves as both a viologen-like electron-poor and an electron-rich guest, resulting in the formation of a 1:2 com…
Planar zirconia automotive oxygen sensor consists of three layers of ZrO2 tape-casting substrates which possess different function after sintering, so it is important for us to research the joining of these substrates. Through SEM and EDS measurements, the essay mainly discussed the joining of ZrO2 tape-casting substr…
The influence of intermittent air introduction on the formation of Zn films during mechanical coating process was investigated. A series of contrast experiments were carried out. The XRD and EDS results showed that Zn particles were slightly oxidized. The SEM images indicated that disk-like zinc oxide (ZnO) nanocrysta…
The diversities and relations of microstructures and properties between the center and surface layer in thick-plate 7150 alloy were investigated by means of OM, TEM, SEM and tensile tests. The results indicated that the average width of elongated grains with fewer substructures in the center of hot-rolling thick plate…
Spin- current loop fluctuations is proposed as the mechanism of holes pairing in high temperature superconductors using the assumption of the coexistence of short-ranged antiferromagnetism with superconductivity and the Anderson’s superexchange theory. The spin-spin correlation function is calculated using the Kubo-Mo…
The properties of zinc oxide thin films were prepared by sol-gel spin-coating method have been presented. This study based on optical and electrical properties of ZnO thin film. The effects of annealing temperatures that exposed with two environments properties have been investigated. Environments exposed in room (27°…
Ultraviolet (UV), 365-nm light-emitting diodes (LEDs) were grown on an AlGaN template on patterned sapphire substrates (PSS) and then compared with those grown on a conventional GaN template. Complete coalescence was achieved by using AlGaN up to 4.9% Al composition, although the AlGaN template displayed more dislocat…
Je souhaiterais avant tout remercier mon directeur de recherche, Monsieur Remo Masut, qui m'a donné la chance de pouvoir effectuer ce projet et m'a conseillé à maintes reprises afin de le mener à bien.Sa disponibilité ainsi que ses connaissances m'ont été très utiles tout au long de ce processus afin de résoudre beauc…
Thin-film transistor has been fabricated by chemical deposition of polyaniline on top of the SiO2 dielectric layer. Thin-film transistors made electrically tested to see the effects of terrain characteristics and sensitivity to ammonia gas. Negative gate voltage is supplied to the transistor polyaniline increases the…
Two-nucleon removal (or knock-out) reactions at intermediate energies are a developing tool for both nuclear spectroscopy and for the study of certain nucleon correlations in very exotic and some stable nuclei. We present an overview of these reactions with specific emphasis on the nature of the two-nucleon correlatio…
In this Thesis a stochastic approach to model antisolvent \ncrystallization processes is addressed. The motivations to choice a stochastic approach instead of a population balance modeling has been developed to find a simple and an alternative way to describe the evolution of the Crystal Size Distribution (CSD), witho…
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Struktur konstruksi badan kapal lambat laut mengalami kerusakan . Apabila kapal mengalami kerusakan pada konisi darurat, pekerjaan las bawah air menjadi hal yang diutamakan. Sedangkan faktor korosi pada pengelasan basah bawah air merupakan masalah yang pasti terjadi. Melalu penelitian ini dikaji perbandingan laju koro…
본 연구는 염료감응형 태양전지의 구성요소 중 핵심 소재로 주목받고 있는 티타니아(TiO₂) 나노입자의 크기와 결정구조에 따른 광전 효율을 비교하고자 하였다. 나노입자의 크기는 용매열법(solvothermal method)을 이용하여 출발 용액의 pH를 조절하고 결정구조의 차이는 솔-젤법에 의해 얻어진 무정형의 티타니아를 온도를 달리하여 소성함으로써 조절되었다. 그 결과, 용매법으로는 8.9, 12.8 그리고 20.2 nm의 크기를 가지는 세 종류의 아나타제 티타니아를, 솔-젤법으로는 세 종류의 아나타제-루타일(anatase-rutile) 혼합결정구조를 가지는 티타니…
The human and environment exposure to manufactured nanomaterials (NMs) has been increasing worldwide. The specific properties of MNMs (as size and high surface area/mass) render them attractive for many applications, but may also be associated to higher toxicity in biological systems and adverse effects in humans. The…
Paduan berbasis magnesium (Mg) merupakan salah satu paduan yang dapat digunakan sebagai Hydrogen Storage Material. Pemaduan Magnesium dengan aluminium bertujuan untuk menurunkan energi aktivasi proses reaksi hidrogen dengan paduan Mg-Al. Paduan Mg-Al dengan komposisi Mg-42 at.% Al disintesa melalui proses milling deng…
10.1002/apj.1729