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240 articles for “and XRD”
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Fabrication of MOF5 -GO nanocomposites by tailoring graphene oxide
Abstract: The present paper focusses on the synthesis of graphene oxide and its nanocomposite with metal organic framework (MOF-5). Graphene oxide (GO) was prepared using modified hummer’s method with different concentrations of oxidizing agent to vary the presence of functional group on the surface of GO. The presence of functional group plays a crucial role in determining the interactions between GO and MOFs. To confirm the presence of different functional groups …
Published in Journal of Polymer & Composites · Vol. 12, Issue 1, 2024 · pp. 101–114 Read article
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Electrochemical Exfoliation of Graphene Oxide (GO) and Thermally Reduced Graphene Oxide (TrGO) Using Ecofriendly Reducing Agent as Cow Urine
Abstract: The Graphene oxide (GO), the reduced form of GO i.e. (rGO) with thermally reduced graphene oxide (TrGO), have concerned significant interest in various fields with their exceptional properties. We investigate the electrochemical exfoliation processes of GO and rGO to understand their structural and electrochemical behavior of GO and TrGO through various characterization techniques. The electrochemical exfoliation method offers a versatile and scalable approach for the mass fabrication of the materials …
Published in Journal of Polymer & Composites · Vol. 12, Issue 1, 2024 · pp. 89–100 Read article
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Development and Synthesis of Graphene Based Gas Sensor
Abstract: AbstractGraphene has become a promising material for many different applications, such as nano electronic devices, physical, chemical and biochemical sensors, transparent conductive films, clean energy scavenging and storage devices and nano composite formulation. Recently gas sensing as a critical application intelligent system, is receiving increasing attention in both industry and academia. Sensing application using graphene sheets as transducer have experienced surge of activities in recent years, especially for gas sensing …
Published in Journal of Semiconductor Devices and Circuits · Vol. 7, Issue 2, 2020 · pp. 13–19 Read article
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On a Nanocomposite Metal Oxide Thin-film Transistor with Nanofilm Gate Dielectric Material: Material Chemistry, Sol–Gel Process and Electronic Worthiness
Abstract: ABSTRACT : ILO based MOTFT is fabricated with PBZ gate dielectric. PBZ is formed over doped Si substrate by cheap sol-gel process. Thin film PBZ is analysed with XRD, UV-Vis and AFM. IZO is used as bottom gate to contact TFT. This device needs only 5V as operating voltage, and so is good for lower electronics <40V. It shows excellent e-mobility 4.5cm2/V/s, with on/off ratio 5x105 and sub-threshold swing 0.35V/decade.
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 6, Issue 3, 2019 · pp. 8–12 Read article
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Effect of Annealling on Optical Band Gap of Fe2O3 Thin Films on Amorphos Transparent Glass Substrate by Spray Pyrolysis Method
Abstract: The Fe 2 O 3 thin film has widely used photo-electrochemical cells. In this paper, the optical properties like band gap of thin films is depend on annealed temperature at 100 o C and 200 o C was discussed. The optical property of Fe 2 O 3 are studied by UV- Vis spectroscopy .The optical band gap decreased after increasing annealing temperature. The refractive index of Fe 2 O 3 …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 10, Issue 2, 2023 · pp. 25–29 Read article
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Synthesis and Characterizations of GeS0.5Se0.5 (I2) Single Crystals
Abstract: Material processing of layered structure remains a widely investigated subject in recent time due to their anisotropic properties. The large volume of work carried out in this field is of importance not only in basic science but also in industrial as well as energy applications. In this paper authors report growth of GeS0.5Se0.5 (I2) single crystals using Chemical Vapour Transport (CVT) technique with iodine as a transporting agent. Photograph of …
Published in Research & Reviews: A Journal of Embedded System & Applications · Vol. 7, Issue 1, 2019 · pp. 10–16 Read article
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Pharmaceutico-analytical Study of Navasadara Satva
Abstract: AbstractNavasadara (Ammonium Chloride; NH4Cl) is one of the rasadravyas included under sadharana rasa varga. Navasadara satvapatana is one of the potent formulations explained in the text Rasatarangini. Navasadara satva possesses the properties like deepana, kapha nissaraka, ruchya, and indicated in amlapitta, hrudaya dourbalya, murcha, puppusashotha, etc. In general, satvapatana means extraction of metallic portion from ore. But here satvapatana process is mentioned for mineral like navasadara. So present study has …
Published in Journal of AYUSH: Ayurveda, Yoga, Unani, Siddha and Homeopathy · Vol. 2, Issue 2, 2013 · pp. 32–36 Read article
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Assessment of Standardization and Quality Control of Saurashtri by Using Ancient and Modern Methods
Abstract: Rasaushadhis are an important part of Ayurvedic treatment. These medicines are one of the tool by which dreadful diseases are eradicated. Genuine and standard medicine can only serve this purpose. Standardization should most preferably be checked for the material which is available in varieties. Sauratri is a drug included in the group of Uparas varga. There are varieties of samples of sauratri available in the market and being used by …
Published in Journal of AYUSH: Ayurveda, Yoga, Unani, Siddha and Homeopathy · Vol. 4, Issue 3, 2015 · pp. 26–32 Read article
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Lattice Parameter and Grain Size of Hydroxyl apatite of Enamel that Exposured by Sunti Acid (Averrhoa bilimbi l)
Abstract: The structure of Hydroxyl apatite (HA) were changed by acid exposure both in the core and crystal wall in 180 min. Sunti acid (Averrhoa bilimbi l) is one of the most popular traditional foods in Aceh that has a pH 2.1 that could improve the structure of HA. Nanostructure change of the HA ultimately affect the strength and macro structure of tooth enamel. The objective of this study is to …
Published in Research and Reviews: A Journal of Dentistry · Vol. 2, Issue 1-3, 2011 · pp. 39–44 Read article
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Synthesis and Characterization of TiO2 1% SiO2 of Crystal and its Bacterial Applications
Abstract: Three-dimensional (3D) TiO2 Anatase and Rutile structures have attracted much attention due to their optical properties. However, the large band gap of (3.2 eV) results in the fact that anatase TiO2 can act as photo catalyst and be excited by UV light, which only accounts for 3–5% of the solar energy. On considering that nobel metallatic nanomaterials can harvest visible light, in this paper, TiO2 and SiO2 nanocrystals with rod …
Published in Research and Reviews: A Journal of Toxicology · Vol. 10, Issue 1, 2020 · pp. 47–58 Read article
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Multifarious Magnitude of Magnesium Oxide Nanoparticles Integrated Feed on Growth and Hematological Characteristics of Mrigal Cirrhinus mrigala
Abstract: The present study deals with the multifarious magnitude of magnesium oxide nanoparticles integrated feed on growth and hematological characteristics of Mrigal Cirrhinus mrigala. Magnesium oxide nanoparticles were made using the co-precipitation process and analyzed, identified, and characterized utilizing scanning electron microscopy, energy dispersive x-ray spectroscopy, x-ray diffraction, and Fourier transform infrared spectroscopy. Four feeds such as Feed I (Control), II, III, and IV were prepared by using multifarious magnitude (25, …
Published in Research and Reviews: A Journal of Toxicology · Vol. 13, Issue 1, 2023 · pp. 1–9 Read article
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Electron beam irradiation studies of polyethylene maleic anhydride on their Chemical and Thermal properties.
Abstract: The electron beam (e-beam) irradiation effects on polyethylene maleic anhydride (MANPE) are investigated by spectroscopic and thermal methods. The MANPE irradiated with electron beam to a radiation dose of 30, 60 and 90 K Gy and the resultant changes in their chemical structure and thermal properties have been investigated by Electron spin resonance (ESR), Fourier transform infrared spectroscopy (FTIR), differential scanning calorimetry (DSC), X-ray diffraction (XRD) and scanning electron microscopy …
Published in Journal of Polymer & Composites · Vol. 6, Issue 2, 2018 · pp. 17–30 Read article
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Thermo-Mechanical Behavior and Intelligent Optimization of Contact Temperature During Ultrasonic Vibration-Assisted Single-Pole Magnetic Abrasive Finishing of Zinc Alloy
Abstract: This study proposes a new integration of the experimental analysis, multi-physics finite element modelling (FEM) and machine learning (ML) optimisation of contact temperature (CT) in ultrasonic vibration-assisted single pole magnetic abrasive finishing (UV-SPMAF) of zinc alloy. The three gaps of the research are addressed: (i) The absence of a multi-physics FEM model that can couple electromagnetic, thermal and structural fields for UV-SPMAF of zinc; (ii) No quantified contribution of the …
Published in International Journal of Manufacturing and Production Engineering · Vol. 4, Issue 2, 2026 Read article
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Characterization Techniques for Thin Film Coatings Based on SiO₂, TiO₂, and ZrO₂
Abstract: Thin film coatings made from silicon dioxide (SiO₂), titanium dioxide (TiO₂) and zirconium dioxide (ZrO₂) have attracted great interest owing to their excellent optical, electrical, mechanical and chemical properties. These oxide thin films are widely used in microelectronics, solar cells, sensors, biomedical devices, photocatalysis, anti-reflective coatings and protective layers. The structural, morphological, compositional, optical and mechanical properties of these coatings are closely related to their performance and reliability. Therefore, thorough …
Published in Journal of Materials & Metallurgical Engineering · Vol. 16, Issue 2, 2026 Read article
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Triboelectric Charge Density Enhancement in Zinc Oxide Decorated Polymer Nanogenerators for Energy Harvesting Systems
Abstract: The growing need for wearable electronics, wireless sensor networks, and IoT devices has pushed research on triboelectric nanogenerator for long-term energy harvesting. However, traditional polymer-based TENGs' low triboelectric charge density restricts their energy conversion efficiency and practical performance. This research presents a zinc oxide (ZnO)-decorated polymer triboelectric nanogenerator designed to enhance surface charge density and improve electrical output. ZnO nanoparticles were synthesized using a hydrothermal method and uniformly deposited onto …
Published in Journal of Polymer & Composites · Vol. 14, Issue 4, 2026 Read article
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Enhanced Room-Temperature Gas Sensing Performance of 2% Mn-Doped Sri Lankan Natural Graphite Thin-Film Sensors for Ammonia, Acetone, and Ethanol vapors Detection
Abstract: The development of room-temperature gas sensors with high sensitivity, fast response, and low-cost remains a critical challenge for environmental monitoring and safety applications. In this work, we report the fabrication and characterization of a 2% Mn-doped Sri Lankan natural graphite thin-film sensor for the detection of ammonia (NH3), ethanol (C2H5OH), and acetone (C3H6O) vapors under ambient conditions. The sensor was prepared using the doctor-blade coating method on Indium Tin Oxide …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 13, Issue 2, 2026 · pp. 39–49 Read article
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Development of Multilayer Metallic Coatings with Graded Interfaces for Enhanced Wear and Fatigue Resistance in Aerospace Components
Abstract: This study presents a comprehensive investigation into the development and characterization of multilayer metallic coating systems with compositionally graded interfaces, specifically engineered to enhance wear and fatigue resistance in aerospace structural and rotating components. Four coating architectures were systematically designed: (i) CrN/TiAlN bilayer, (ii) TiN/TiAlN/TiAlSiN gradient trilayer, (iii) CrAlN/AlCrN nanolaminate, and (iv) a novel five-layer CrN–TiN–TiAlN–AlCrN–TiAlSiN functionally graded system (FGS). Coatings were deposited via high-power impulse magnetron sputtering (HiPIMS) and …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 13, Issue 2, 2026 · pp. 50–67 Read article
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Gamma- and Electron Beam-Induced Crystalline modification in Poly (Lactic Acid): Effects of Radiation Dose and Dose Rate
Abstract: Poly(lactic acid) (PLA) is an important commercial biodegradable polyester whose properties are dictated by its molecular architecture and semicrystalline nature. The application of ionizing radiation particularly gamma rays and electron beams is extensive for sterilization and materials processing. The effect of ionizing radiation on the crystallinity of PLA is complex however, since irradiation causes concurrently chain scission, radical formation, oxidation, recombination and mobility driven structural reorganization. This work studies the …
Published in Journal of Polymer & Composites · Vol. 14, Issue 4, 2026 Read article
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Structural, Morphological, Optical, and Electrical Properties of Sol–Gel Synthesized Bismuth Ferrite Nanoparticles for Photovoltaic Applications
Abstract: Solar cells are a promising renewable energy source, converting solar energy into electrical power. The performance and efficiency of solar cells can be enhanced by incorporating multiferroic materials, which have the potential to improve energy conversion. Bismuth ferrite (BFO) is one such material that has attracted attention for photovoltaic applications due to its bandgap energy, which ranges from 2 eV to 2.7 eV. However, its practical efficiency is currently low …
Published in Journal of Materials & Metallurgical Engineering · Vol. 16, Issue 2, 2026 · pp. 28–41 Read article
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Crystalline Materials: From Crystal Growth and Defect Engineering to Advanced Functional Applications
Abstract: Crystalline materials form the foundation of numerous modern technologies owing to their highly ordered atomic structures and exceptional physical, chemical, electrical, optical, and mechanical properties. Their periodic crystal lattices provide superior structural stability and enable precise control of electronic, thermal, and optical behavior, making them indispensable in microelectronics, photonics, energy storage, catalysis, aerospace, environmental remediation, and biomedical engineering. Rapid advances in crystal growth techniques, nanotechnology, and computational materials science have …
Published in International Journal of Crystalline Materials · Vol. 3, Issue 2, 2026 · pp. 23–31 Read article