Materials Literature
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Department of Chemistry, Mahatma Gandhi College, Thiruvananthapuram-695 004, Kerala, India Department of Chemistry, V. T. M. N. S. S. College, Dhanuvachapuram, Thiruvananthapuram-695 503, Kerala, India E-mail : sudarsanmr@gmail.com Department of Chemistry, All Saints’ College, Thiruvananthapuram-695 007, Kerala, India…
Porphyrin-based substances are modern materials applied in the design of preparations used for photodiagnostics and photodynamic therapy of cancer [1]. The wide interest to their study is drawn by its low toxicity and high selectivity to accumulation in tumor tissues. At that, the photodiagnostics task requires pronou…
In order to provide a scientific basis for the utilization of floral aroma and the exploration of insect pollination, volatile compounds from the flowers of Symplocos sumuntia at the bud stage, middle opening stage, and full opening stage were analyzed by Headspace Solid Phase Micro-extraction (HS-SPME) and gas chroma…
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An investigation was made of the effect of different additions of nanoparticles on the morphology, density, and strength of composites based on synthetic isoprene rubber (SKI-3) and low-density polyethylene (LDPE). The extremal dependence of strength and density on the concentration of nanoparticles was established.
An examination is made of the kinetic laws governing the oxidative polymerisation of aniline in an aqueous solution of polyvinyl chloride. The change in the order of the reaction with increase in temperature is shown, which is due to the heterogeneous autocatalytic nature of the process.
The epoxy composites filled with unmodified zeolite of 5 and 10 wt. % and modified natural zeolite of 10 wt. % were prepared. The modification of zeolite with nanofibers of aluminum oxyhydroxide was carried out. Aluminum oxyhydroxide nanofibers were produced at the heating and oxidation of aluminum powder with water.…
This paper proposes two methods to implement a coin identification system. The proposed methods have several advantages, such as good identification accuracy, simple hardware configuration, and easy extension. Method 1 uses a single winding high-frequency sinusoidal voltage exciting method. By injecting a fixed-amplit…
In this work we report the use of CdS bi-layers as possible buffers in Cu2ZnSnSe4(CZTSe) / CdS heterojunctions for solar cell applications. A first CdS layer with different thicknesses were deposited onto CZTSe and then annealed under air or Ar atmosphere at different temperatures, followed by a second CdS layer depos…
We have looked experimentally into a low temperature (<;400C) Al induced crystallization of amorphous Ge (a-Ge) layers deposited at room temperature on Al coated glass. Here, we have carefully examined the initial nucleation stages and show the critical role of the natively formed aluminum oxide, between the a-Ge and…
Thin films-based solar cells present several advantages over tradition vacuum based approaches, including flexible and cost-effective processing. Producing nanoparticle inks with uniform properties is a crucial step for manufacturing efficient solution-processed solar cells. The famatinite phase of copper antimony sul…
We present experimental and simulated J-V characteristics of Metal/Insulator/Semiconductor (MIS) junctions aiming at improving the contact resistivity for advanced CMOS nodes. We show that an Atomic Layer Deposition (ALD)-based Al2O3process may induce a native silicon oxide regrowth leading to an additional tunneling…
Summary form only given. Field emission (FE) cathodes made from carbon nanotube (CNT) fibers have demonstrated high emission currents, low turn-on voltages, long lifetimes and offer considerable potential for use as electron sources for vacuum electronic devices. CNT fibers were fabricated by wet-spinning of pre-made…
BaGa4Se7optical parametric oscillator (OPO) pumped by compact nanosecond Nd:YLF laser was demonstrated. Wide tuning range from 2.93 up to 9.3 μm is shown for the first time of our knowledge.
Stainless steel pipes, used to cool a reactor plant, have a high cost, and after taking a reactor out of service they must be buried together with other radioactive waste. Therefore, the relevant problem is the rinse of pipes from contamination, followed by returning to operation.
In this paper, we develop a cylinder-type embedded Metal Insulator Metal (e3DMIM) capacitor with high density without significantly impact transistors using low temperature High-K dielectrics in compatible logic process.
The experimentally found phenomenon of self-focusing of an electric field and the concentration of ions near the poles of an ion-selective granule in an electrolyte solution under the action of an external electric field is theoretically justified. An asymptotic solution of the problem is obtained, and it is shown tha…
Alumina has been widely used as a support in catalysis process which owing to its extremely thermal and mechanical stability, high surface area, large pore size and pore volume. The aim of this study was to synthesize calcium oxide-supported basic alumina catalysts (CaO/Al 2 O 3 ) by impregnation method and to charact…
In this work, two Polynomial Chaos (PC) surrogates were generated to reproduce Monte Carlo (MC) molecular simulation results of the canonical (single-phase) and the NVT-Gibbs (two-phase) ensembles for a system of normalized structureless Lennard-Jones (LJ) particles. The main advantage of such surrogates, once generat…