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Er2O3 doped zinc borosilicate glass substrate: Impact of doping to the structural, optical and surface plasmon resonance performance Silicon (IF 3.4) Pub Date : 2024-03-16 Ali Jabbar Abed Al-Nidawi, Khamirul Amin Matori, Mohd Hafiz Mohd Zaid, Josephine Liew Ying Chyi, Tan Sin Tee, Muhammad Asif Ahmad Khushaini, Ahmad Rifqi Md Zain, Wurood Rahi Mutlage, Mohammad Ayman Abuallan, Abdelkader Mohammed Efa
The optimization of glass substrate optical properties for enhanced biosensor sensitivity has recently blossomed into a major research focus, yielding remarkable progress. Nevertheless, attaining precise control over nanoscale morphologies and their light-altering abilities remains a formidable hurdle, necessitating the exploration of diverse strategies to overcome this issue. This study was conducted
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Microstructure and Mechanical Behavior of Multidirectional Forge SIMA Process Al- Si Hypereutectic Alloy Silicon (IF 3.4) Pub Date : 2024-03-16
Abstract During Strain Induced Melt Activation (SIMA) process, the mechanical and microstructural characteristics of the hypereutectic alloy having composition 16wt.%Si and 20wt.% Si were examined. The strain-induced melt activation (SIMA) procedure involved applying multidirectional forging at 300ºC and then semi-solid treatment for 0 min to 30 min at 580 ± 5 °C. X-ray diffraction (XRD), optical microscopy
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Investigation of α-Sn Dependence of Band Structure and Optical Emission in Si/SiyGe1-x-ySnx/Si Quantum Well Laser Silicon (IF 3.4) Pub Date : 2024-03-15 Omar Zitouni, Hosni Saidi, Said Ridene
In this work, we report a theoretical investigation of the influence of α-Sn concentration on the optical laser-gain emission in Si/Ge1−x−ySiySnx/Si quantum wells (QWs). 14- and 24-band k.p Hamiltonian have been introduced to calculate subband and band structures of QWs and bulk α-Sn respectively. The unknown Luttinger like parameters describing the p-type conduction bands (CBs) of the bulk α-Sn have
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Optical Applications of Europium Ion Doped Silicate Glasses: W-LED Silicon (IF 3.4) Pub Date : 2024-03-15 V. Ravi Teja, M. Sreenivasulu, Vijaya Kumar Chavan
Europium ion doped silicate glasses are prepared by melt quench method with a novel composition for white Light Emitting Diode (LED). The investigating sample is having high density and refractive index which is useful for optical applications. The Hruby criteria value of these glass material is high and having high thermal stability. These glasses are assigned to Si–O- Eu and Si–O-Si stretch and bending
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Potential of Nanocages as Effective Catalysts for Oxygen Reduction Reaction Silicon (IF 3.4) Pub Date : 2024-03-14 Nora Mejía, Mohammed Ahmed Mustafa, Ashwani Kumar, Anoop Kumar, Pallavi Ghildiyal, Abdul Malik, Dheyaa Yahaia Alhameedi, Mahmood Hasen Shuhata Alubiady, Ahmed Muzahem Al-Ani, Sally Salih Jumaa, Munther Kadhim Abosaoda, Qing Wei
In this work, the abilities of Ni-C38, Ni-B19N19 and Ni-Si38 for oxygen reduction reaction (ORR) are investigated. The Eformation of Ni-C38, Ni-B19N19 and Ni-Si38 are −4.72, −5.96 and − 6.43 eV. The Ni-Si38 has higher ability to adsorb the ORR species than Ni-C38 and Ni-B19N19. The mechanism 1 is acceptable pathway for oxygen reduction reaction (ORR) on Ni-C38, Ni-B19N19 and Ni-Si38. The ΔGreaction
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Microstructure Study of Friction Stir Processed Hypereutectic Al-20Si Alloy and Analysis of the Wear Behaviour using Machine Learning Algorithms Silicon (IF 3.4) Pub Date : 2024-03-14
Abstract Al–20Si alloy was subjected to friction stir processing to find its effect on the microstructure and wear behaviour. The microstructures of as-cast and friction stir processed (FSP) alloy were studied using optical microscopy and field emission scanning electron microscopy. The microstructure analysis showed significant refinement of Si particles in Al–20Si alloy by FSP. Similarly, for the
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Green Synthesis of Silicon Quantum Dots Using Ocimum basilicum var. Purpurascens as an Organic Reductor Agent Silicon (IF 3.4) Pub Date : 2024-03-13 H. J. Higuera-Valenzuela, A. Zazueta-Raynaud, J. A. Heredia-Cancino, M. Anahí Soto-B, D. Cabrera-German, D. Berman-Mendoza, A. Ramos-Carrazco, P. A. Hernadez-Abril
In the present work, the synthesis and characterization of silicon quantum dots (SiQDs) were carried out using a novel approach involving fresh leaf extract of Ocimum basilicum var. purpurascens (OBP) as an organic silicon-reducing agent and 3-Aminopropyltriethoxysilane (APTES) as a precursor. This method offers a promising and sustainable alternative for SiQDs production. The synthesized SiQDs demonstrated
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Investigation of Capacity of Silicon and Carbon Nanocages to Oxidize the Formaldehyde (CH2O) to CO2 by Acceptable Mechanisms Silicon (IF 3.4) Pub Date : 2024-03-12
Abstract The catalytic activity of Fe-Si46, Zn-C46, Zn-Ge46, Cu-Si76, Co-C76 and Co-B38N38 for HCHO oxidation to CO2 are investigated. The ∆Gformation values of Fe-Si46, Zn-C46, Zn-Ge46, Cu-Si76, Co-C76 and Co-B38N38 are -5.05, -5.28, -5.46, -5.70, -6.03 and -6.52 eV. The ∆Gadoption values of Fe-Si46, Zn-C46, Zn-Ge46, Cu-Si76, Co-C76 and Co-B38N38 are -4.40, -4.60, -4.76, -4.97, -5.26 and -5.68 eV
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Unveiling Hierarchies and Structural Complexity in Silicon-Based Crystals: Insights into their Structural, Elastic, and Radiation Properties through Hirshfeld Analysis Silicon (IF 3.4) Pub Date : 2024-03-12 Z. Y. Khattari
This inclusive work explores the structures, elastic, and γ-rays shields attributes of silicon-based crystals, specifically focusing on SiO, SiO2, and SiO4. The structural analysis reveals diverse characteristics influenced by chemical composition and crystallography, showcasing variations in Si-bonding environments, bond lengths, and geometries. Examination of elastic properties, represented by bulk
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Electrical Performance of the Side Region in a Multi-crystalline Silicon Ingot Silicon (IF 3.4) Pub Date : 2024-03-09 Xiaojuan Cheng, Liang He, Jianmin Li, Qi Lei, Fan Liu, Xiaoping Li, Hongzhi Luo
This paper investigates the impact of low minority carrier lifetime areas (red-zones) in multi-crystalline silicon ingots on cell efficiency. Wafers, sliced parallel to the sidewall, were analyzed using µ-PCD and PL to determine minority lifetimes and identify crystal defects. These wafers were then processed into solar cells, and their performance was assessed through cell conversion efficiency and
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Effect of Temperature and Method of Synthesis on Morphology and Phase Transition of Amorphous and Crystalline Nano Silica Extracted from Mission Grass (Pennisetum Polystachion) Silicon (IF 3.4) Pub Date : 2024-03-09
Abstract Bio silica nanoparticles are well accepted candidates in the field of material science. The present study conveys that Mission grass (MG) is a potential source of bio silica and to best of our knowledge no studies have been reported so far in connection with the extraction of silica from MG. Herein, we have demonstrated the synthesis of nano silica from MG by acid leaching and sol gel method
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Modification and Development of the Structural, Morphological and Dielectric Characteristics of Polyvinyl Alcohol Incorporated with Cerium Dioxide / Silicon Carbide Nanoparticles for Nanodielectric and Nanoelectronic Applications Silicon (IF 3.4) Pub Date : 2024-03-08
Abstract The objective of this study is to improve the electrical properties of nanostructures made of polyvinyl alcohol (PVA), silicon carbide (SiC), and cerium dioxide (CeO2) so that they may be used in electronic nanodevices and flexible pressure sensors. Using a casting procedure, PVA/CeO2/SiC films containing 0, 2, 4, 6, and 8 wt% CeO2/SiC nanoparticles were produced. When the weight% of (PVA/CeO2/SiC)
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Effect of silicon anisotropy on the stability of thermomigration of linear zones Silicon (IF 3.4) Pub Date : 2024-03-07 Boris M. Seredin, Victor P. Popov, Alexander V. Malibashev, Igor V. Gavrus, Sergey M. Loganchuk, Sergey Y. Martyushov
New types of instabilities associated with crystal anisotropy during thermomigration of rectilinear and curvilinear (annular) zones under the action of a temperature gradient in the silicon-aluminium system are experimentally revealed. A force model of thermomigration is improved, which takes into account vectors of resistance forces to atomic-kinetic processes at the dissolution front. This model
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Design of a High Efficiency p-Si Based Heterojunction Solar Cell with ln2S3 Window and NiO BSF Layers Silicon (IF 3.4) Pub Date : 2024-03-07 Nusrat Jahan Konok, Shaikh Khaled Mostaque, Jaker Hossain
The numerical evaluation performed on the design of n-ln2S3/p-Si/p+-NiO solar cell reveals that it can come up with a high efficiency gain along with substantial values in other photovoltaic parameters. The pristine n-ln2S3/p-Si structure imparts a power conversion efficiency, PCE of 23.24%. The selection of NiO in back surface field (BSF) layer makes an improvement of ~ 0.1 V in open circuit voltage
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Study of Correlation of Machining Performance and Geometrical Tolerances of Si3N4-TiN Composites Using EDM Process Silicon (IF 3.4) Pub Date : 2024-03-05 K. P. Manikandan, S. Thirugnanam, L. Selvarajan, T. S. Senthilkumar
The aim of this research work is to enhance the machining characteristics and geometrical tolerances of Si3N4–TiN ceramic composite using a copper electrode as the EDM tool. The investigation encompassed a comprehensive exploration of various machining parameters, including polarity, current (amp), pulse on time (µs), pulse off time (µs), dielectric pressure (Kg/cm2), gap voltage (v), spark gap (mm)
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Synthesis, Structural and Radiation-shielding Properties of Li2O-Al2O3-SiO2 Glass–ceramic System Silicon (IF 3.4) Pub Date : 2024-03-05
Abstract The Li2O-Al2O3-SiO2 (LAS) glass system has high commercial values due to its very low thermal expansion coefficients and its very high chemical resistance among other properties. In this study, the preparation of LAS-based glass–ceramics (G-Cs) is reported, and the influence of P2O5 as a nucleating agent for crystallizing the amorphous glass structure at different rates into this glass composition
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Numerical Investigation of Argon Gas Flow Patterns and Their Effects on Mc-Si Ingot Growth Process: Solar Cell Applications Silicon (IF 3.4) Pub Date : 2024-03-04 Sugunraj Sekar, Srinivasan Manikkam, Ramasamy Perumalsamy
Using the finite volume method, a directional solidification (DS) furnace used to grow a multi-crystalline silicon (mc-Si) ingot is numerically simulated in 2-dimensions. The impact of argon gas flow pattern on the melt-free surface (M-FS) was studied using transient global simulations of oxygen and carbon-dependent transport in laboratory-scale DS furnaces for solar cell applications. Argon gas flow
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Silicon Nutrition: A New Perspective to Improve Heavy Metal Toxicity Tolerance in Plants for Sustainable Agriculture Silicon (IF 3.4) Pub Date : 2024-03-04
Abstract World’s population is facing serious constrains due to the deposition of heavy metals (HMs) in soil since last decades. Over the years, there has been an increased concern in relation to the HMs impact on the agricultural production. The HMs stress causes severe constrains in yield due to disruption of several physio-biochemical and metabolic activities of the plants. At present, the majority
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Melting Behavior of Diamond Wire Saw Silicon Powder after Acid Leaching Treatment during Recycling Process Silicon (IF 3.4) Pub Date : 2024-03-04
Abstract The low temperature acid leaching technology can effectively remove multiple impurity elements in the monocrystalline diamond wire saw silicon powder (DWSSP). However, the DWSSP after acid leaching suffers from the refractory problem, which affects the melting process of pyrorefining. In this study, two different waste diamond wire saw DWSSP sources are used as raw materials. The melting behavior
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CO2 reduction reaction on double metal atoms doped nanocages (Sc2-Si44, V2-C58, V2-Al29N29, Ti2-Ge70 and Fe2-B40P40) as catalysts Silicon (IF 3.4) Pub Date : 2024-03-04 Mohamed J. Saadh, Mohammed Abdulkadhim Sayah, Ahmed Abd Al-Sattar Dawood, Abdul-hameed.M. Hamoody, Zainab Jamal Hamoodah, Montather F. Ramadan, Hussein Abdullah Abbas, Ahmed Alawadi, Irfan Ahmad, Rathab Abbass
The catalytic activity of Vanadium, Scandium, Titanium and Ferrum (Sc, V, Ti and Fe) doped Carbon, Silicon, Germanium, Aluminum Nitride and Boron Phosphide (C60, Si46, Al30N30, Ge72 and B41P41) nanocages for reduction reaction of carbon dioxide are investigated. The ∆Ebinding of V2-C58, Sc2-Si44, V2-Al29N29, Ti2-Ge70 and Fe2-B40P40 nanocages are -5.90, -6.23, -6.13, -7.28 and -6.97 eV, respectively
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Fabrication and Characterization of Thermally Insulating Polyurethane-Silica Aerogel Composite for Cryogenic Application Silicon (IF 3.4) Pub Date : 2024-03-04 I. Nuhu, Z. A. A. Halim, N. Awang, M. A. M. Yajid, W. F. F. Wan Ali
Polyurethane-silica aerogel (PUSA) composites have been synthesized in this study for thermal insulation applications. Silica Aerogel (SA) was synthesized from sodium silicate solution through a standard sol–gel process and ambient pressure drying. Previous research has shown that combining PU with SA in a composite causes brittle fracture at lower temperatures. This study proposes that PU was re-formulated
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The Frequency Dependent of Main Electrical Parameters, Conductivity and Surface States in the Al/ (%0.5 Bi:ZnO)/p-Si/Au (MIS) Structures Silicon (IF 3.4) Pub Date : 2024-03-02
Abstract The capacitance/conductance-voltage-frequency (C/G-V-f) features of the Au/p-Si structures with (%0.5 Bi-doped ZnO) interlayer grown by spin-coating technique was investigated between 100 kHz and 1 MHz. The C−2-V curves that depend on frequency were used to determine the electrical-parameters like diffusion-potential (VD), Fermi-energy level (EF), barrier-height (ΦB), and depletion-layer (WD)
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Design Transmission Gates Using Double-Gate Junctionless TFETs Silicon (IF 3.4) Pub Date : 2024-03-02 Sabitabrata Bhattacharya, Suman Lata Tripathi, G. H. Nayana
Transmission gate has been implemented using tunnel field-effect-transistor (TFET) in the presented work. This work demonstrates the benefits of replacing MOS devices with TFET from conventional CMOS circuits for low-power sub-micron technology. TFET with few structural modifications is described as a worthy contender for the MOSFETs. As an illustration to it the transmission gate block, which is one
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Device Engineering of Lead-free Double Perovskite (Cs4CuSb2Cl12 & Cs2AgBiBr6)/Crystalline Silicon High-Performance Eco-friendly Tandem Solar Cells Silicon (IF 3.4) Pub Date : 2024-03-02 Pritam Kumar, Amitesh Kumar
Lead-free double perovskites are a newly developed category of non-toxic material with impressive photoelectric properties and excellent inherent environmental stability. This study explores the design and performance optimization of lead-free double perovskite/c-Si tandem devices (TDs). Two top cells (TCs) made of \({\text{C}\text{s}}_{4}\text{C}\text{u}\text{S}{\text{b}}_{2}{\text{C}\text{l}}_{12}\)
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Quantization Effect in N-Channel Inversion Mode Si, In0.53Ga0.47As and Ge Based Double Gate MOSFET Using Quasi-Static Capacitance–Voltage Characteristics for Upcoming Sub 10 nm Technology Node Silicon (IF 3.4) Pub Date : 2024-03-01 Sanjay, Vibhor Kumar, Anil Vohra
In the present work, the authors have studied the Quasi-Static Capacitance–Voltage (QSCV) characteristics of 10 nm gate length double gate (DG) NMOSFETs of different channel materials namely, Si, Ge, and \({In}_{0.53}G{a}_{0.47}As\), the results are reported using Silvaco ATLAS TCAD. The QSCV approach provides the advantage of immunity against frequency-dependent effects and has the ability to measure
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Effect of Defects on the Switching Performance of Silicon-Gate All Around Dielectric Window Spaced-Multi-channel MOSFET Silicon (IF 3.4) Pub Date : 2024-02-29 G. S. Sahoo, A. Ushodaya, G. P. Mishra
Investigation of the proposed Silicon gate all around dielectric window spaced-multi-channel (Si-GAA-DWS-multi-channel) MOSFET is carried out through 3D-ATLAS TCAD simulator. The proposed device parameter has been compared with the existing devices, mainly with Silicon-Nanowire-Dielectric Pocket Packed MOSFET (Si-NW-DPP FET) and Silicon-Nanowire MOSFET (Si-NW FET). The Si-GAA-DWS-Multi-channel FET
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Development of Mathematical Model to Predict Mass Attenuation Coefficient of Silicate Glasses By using Polynomial Curve Fitting Silicon (IF 3.4) Pub Date : 2024-02-28 Baha’ Abughazaleh, Hemam A. Fakhouri, M. I. Sayyed
In this study, the 13th-order polynomial curve fitting was successfully derived from the coefficients obtained through curve fitting. This polynomial serves as a powerful mathematical model that accurately captures the intricate relationship between the mass attenuation coefficients (MAC) and energy for our glass samples. The significance of this polynomial representation lies in its versatility and
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Effects of Nano Iron-Silicon Oxide on Yield and Some Biochemical and Physiological Characteristics of Triticale Under Salinity Stress Silicon (IF 3.4) Pub Date : 2024-02-26 Fatemeh Aghaei, Raouf Seyed Sharifi, Salim Farzaneh
Salinity, as an important abiotic parameter, has a negative influence on crop productivity. The application of plant growth-promoting rhizobacteria and iron-silicon nanoparticles has been found to enhance plant growth and grain yield while also increasing its resistance to abiotic stresses. In this regard, a factorial experiment was carried out based on randomized complete block design with three repetitions
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Long-time Stability of the Enhanced Porous Silicon Opto-electrical Properties by Samarium Pore-filling Silicon (IF 3.4) Pub Date : 2024-02-26 Ahmed Zarroug, Chohdi Amri, Zouheir Bouznif, Hatem Ezzaouia
The long-time stability of the enhanced porous silicon (PS) optoelectronic properties using samarium (Sm) pore-filling were investigated based on experimental results. Non treated natural and thermally oxidized PS samples were taken as reference. The morphology evolution of the samples was observed by using a scanning electron microscope (SEM). Fourier-Transform Infrared spectra (FTIR) of Sm treated
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Exploring Mechanical and Flammability Traits in Hybrid Composites of Crown Flower/Nano SiO2/4ZnO·B2O3·H2O under Cryogenic Conditions: an Experimental Study Silicon (IF 3.4) Pub Date : 2024-02-26 G. Velmurugan, Jasgurpreet Singh Chohan, R. Sathish, Ramesh Velumayil, R. Ranjith Kumar, D. Elil Raja, M. Nagaraj, A. John Presin Kumar
One of the trendiest areas in the world of materials research is multifunctional polymer nanocomposites. The long-term behaviour of fibre-reinforced polymer composites exposed to cryogenic environments is discussed in this article in light of current advancements. The composites were created using the standard hand layup procedure in order to achieve the aforementioned goals. Crown flower fibre (CF)
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Investigation of ORR and OER Mechanisms by Co- and Fe-doped Silicon Nanocages (Si48 and Si60) and Co- and Fe-doped Silicon Nanotubes (SiNT(5, 0) and SiNT(6, 0)) as Acceptable Catalysts Silicon (IF 3.4) Pub Date : 2024-02-23 Diana Katherine Campoverde Santos, Mohammed Ahmed Mustafa, Pooja Bansal, Harpreet Kaur, Mahamedha Deorari, Farag M. A. Altalbawy, Dheyaa Yahaia Alhameedi, Mahmood Hasen shuhata Alubiady, Ahmed Muzahem Al-Ani, Sally Salih Jumaa, Munther Kadhim Abosaoda, Li Zhang
In this work, the catalytic activity of Co-Si48, Co-Si60, Co-SiNT (5, 0), Co-SiNT (6, 0), Fe-Si48, Fe-Si60, Fe-SiNT (5, 0), Fe-SiNT (6, 0) as catalysts of oxygen reduction reaction (ORR) and oxygen evolution reaction (OER) are examined. The Fe doped Si-nanotubes and Si-nanocages have more negative the formation energy and adoption energy values than Co doped Si-nanotubes and Si-nanocages. Results indicated
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Optimization of Process Parameters for Silicon Casting Manufacturing Using Fully Transient 3D Modeling Approach Silicon (IF 3.4) Pub Date : 2024-02-23
Abstract During the last three years, the world experienced a silicon-wafer shortage due to the COVID-19 pandemic and competition for technology between different countries. Direct silicon casting could be the solution for this issue because of low operation costs and ease of production. In this study, the direct casting of silicon was simulated using a fully transient three-dimensional model including
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Comparative Study of Entropies in Silicate and Oxide Frameworks Silicon (IF 3.4) Pub Date : 2024-02-22
Abstract Silicate and oxide frameworks are pervasive materials with remarkable structural complexity and tunability, offering a wide range of applications in catalysis, gas storage, drug delivery, electronics, and environmental remediation. Topological indices, which are mathematical representations of molecular structure, and Shannon entropy, a measure of information content, have emerged as powerful
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Optimization and Kinetic Analysis of Direct Alkali Leaching of Silica from Vanadium-Bearing Shale Leaching Residue Silicon (IF 3.4) Pub Date : 2024-02-22 Xuanxiong Kang, Guohua Ye, Siqin Zhu, Yiyang Rong, Changxu Song, Xinyue Xiang, Yun Zhang
The Response Surface Methodology was employed to optimize the leaching parameters for SiO2 during NaOH alkaline leaching from vanadium acid leaching residues. The kinetic aspect of the process was also investigated. The results illustrate that each factor positively influences the SiO2 leaching rate, with the significance of these factors ranking as follows: leaching temperature > alkali residue mass
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Investigation of Sintering Behavior of Sol Gel Derived SiO2-Al2O3-B2O3 Glasses Silicon (IF 3.4) Pub Date : 2024-02-22 Sara Ahmadi, Bijan Eftekhari Yekta
Synthesizing of alumino-borosilicate glasses in the SiO2-B2O3-Al2O3 system using the sol–gel method was considered. Transparent and dense glasses were obtained by various heat treatment programs applied on the dried gels. The process of converting the gel to glass involves complex transformations including both structural and chemical changes. Consequently, investigating the sintering behavior of these
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Influence of Eu3+ Ions on Elastic Moduli and Microhardness of Zinc-boro-soda-lime-silica Glass System Silicon (IF 3.4) Pub Date : 2024-02-21 Wei Mun Cheong, Mohd Hafiz Mohd Zaid, Khamirul Amin Matori, Yap Wing Fen, Tan Sin Tee, Zhi Wei Loh, Mohd Zul Hilmi Mayzan, Siegbert Schmid
This study focuses on zinc-boro-soda-lime-silica (ZnO − B2O3 − SLS) glasses produced through fast-cooling melt-quenching. The influence of Eu3+ ions on glass properties is explored. As Eu3+ concentration rises, bulk density and molar volume increase from 3.423 to 3.484 g/cm3 and 21.760 to 23.768 cm3/mol, respectively. X-ray diffraction indicates amorphous phase dominance supported by glassy surface
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The effect of silicon on the oxidation behavior of iron aluminide produced using powder metallurgy Silicon (IF 3.4) Pub Date : 2024-02-21 Razieh Khoshhal, Abbas Masjedi, Seyed Vahid Alavi Nezhad Khalil Abad
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A Study of the Effect of Quartz-to-Cristobalite Transformation on SiC Generation in Metallurgical-Grade Silicon Production Silicon (IF 3.4) Pub Date : 2024-02-20 Jiahe Tian, Kuixian Wei, Xiaocong Deng, Wenhui Ma
Silicon carbide (SiC) is an essential intermediate product formed during the smelting process of metallurgical-grade silicon (MG-Si), and its production efficiency is a key factor in determining the overall efficiency of MG-Si production. In this study, the effect of quartz-to-cristobalite transformation on SiC generation in MG-Si production and elucidated the differences in the reaction characteristics
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Silicon Applications on Yield Attributes of Wheat (Triticum aestivum L.) and Biology of Wheat-Aphid (Schizaphis Graminum) Silicon (IF 3.4) Pub Date : 2024-02-20 Abdur Rahman, Fida Hussain, Shahid Majeed, Muhammad Usama Nazeer, Rao Muhammad Sajjad Sharif, Muhammad Asif, Waqar Sattar
Schizaphis graminum is considered an economically important sucking insect pest of wheat. It causes direct losses to leave at the vegetative stage and indirect losses by acting as a carrier of viruses and fungi. The current study was designed to determine the yield attributes of wheat and the biology of wheat-aphid induced by silicon in the field area of the Department of Entomology, Bahauddin Zakaria
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Electrochemical Detection of 2,4,6-Trinitrotoluene on L-Cysteine-Modified Porous Silicon Electrode in Dimethyl Sulfoxide Solution Silicon (IF 3.4) Pub Date : 2024-02-19
Abstract In this work, the electrochemical process of 2,4,6- trinitrotoluene (TNT) reduction on a new type of electrode based on a L-Cysteine-modified porous silicon (PSi) in organic electrolyte was studied. The functionalized by silanization process with APTES was used to prepare the PSi electrode. Cyclic voltammograms of modified-PSi electrode in DMSO/ TBAFB solution containing TNT exhibited two
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Comparative Study on the Graphitization Index of Carbonaceous Reducing Agents Used in Silicon Smelting Silicon (IF 3.4) Pub Date : 2024-02-19 Chenggang Tao, Zhengjie Chen, Wenhui Ma, Xiaoyue Wang
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SiC Generation Mechanism in Photovoltaic Crystal Pulling Waste Graphite Infusion Cylinder Silicon (IF 3.4) Pub Date : 2024-02-19 Yiyou Hu, Zhengjie Chen, Yonghang Zhang, Xiuhua Chen, Wenhui Ma
Currently, the photovoltaic industry is playing a huge role and growing rapidly. Carbon etching and silicide deposition are common phenomena in furnaces during photovoltaic crystal pulling processes, both of which shorten the service life of graphite components and pollute silicon-based materials; these processes also generate waste graphite components with SiC. Therefore, studying its generation mechanism
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Effect of Silane Treatment on Accelerated Ageing Conditions of Recycled Plastic Foam and Areca Nut Fibre Reinforced Vinyl Ester Composite Silicon (IF 3.4) Pub Date : 2024-02-16 T. Jeevetha, A. Sivakumar
This research explores the influence of silane coupling on composites comprising recycled PET bottle waste foam and areca fruit fibre reinforced modified vinyl ester by comparing with untreated composite specimens. The hand layup method was adopted for fabrication and characterizations are done as per ASTM standards. The study investigates the effects of thermal and water-accelerated aging by subjecting
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Impact of Buried Gate Oxide on the Electrical Performance of Negative Capacitance FinFETs: Design Perspectives Silicon (IF 3.4) Pub Date : 2024-02-16 Vibhuti Chauhan, Dip Prakash Samajdar
Superior gate electrostatics and dominating control over short-channel effects (SCEs) set the Negative Capacitance Fin Field-Effect Transistor (NC-FinFET) apart from conventional devices. However, advancements in device performance through various engineering strategies have prompted further progress in NC-FinFET technology. This work modifies the depth of the Gate Oxide (GO) layer and provides a novel
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Distribution of Iron and Boron Between Silicon Metal Smelting Products in Industrial Saf using Borate Fluxes Silicon (IF 3.4) Pub Date : 2024-02-16 Ilin Alexandr Alexandrovich, Zobnin Nikolay Nikolayevich, Pikalova Irina Anatolyevna, Nemchinova Nina Vladimirovna
The article identifies the key sources of iron and boron impurities entering silicon metal under industrial smelting conditions in Submerged arc furnace (SAF). Impurity rocks in the composition of quartz, the main raw material for the production of silicon metal, were studied using the X-ray fluorescence method, and their visual classification was carried out. It has been established that the energy
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Silicon-Mediated Improvement in Maize (Zea mays L.) Resilience: Unrevealing Morpho-Physiological, Biochemical, and Root Attributes Against Cadmium and Drought Stress Silicon (IF 3.4) Pub Date : 2024-02-16 Anila Sabir, Ejaz Ahmad Waraich, Muhammad Ahmad, Saddam Hussain, Hafiz Naeem Asghar, Arslan Haider, Zahoor Ahmad, Sadia Bibi
Purpose Abiotic stress is the major restricting factor for agricultural growth and productivity worldwide particularly drought and cadmium stress in maize. The primary goal of the current research was to determine the role of silicon in reducing the adverse effects of drought and cadmium stress on Maize (Zea mays L.) Methods The treatments of the current experiment were i) T0 = Control (100% FC) T1 = Drought
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Simultaneous Synthesis of Silica Polymorphs and Activated Carbon from Rice Husk Silicon (IF 3.4) Pub Date : 2024-02-16 Sri Yani Purwaningsih, Agus Riyanto, Silmi Machmudah, Herbi Enstein Sentosa, Suminar Pratapa
Rice husk is an agricultural waste rich in carbon and silica contents. So far, no studies have been reported that simultaneously transform it into polymorph silica and activated carbon. This study aims to analyze the thermal event and identify the phase, functional groups, and microstructure of the silica and activated carbon derived from a rice husk. Silica precursor was prepared by the sol-gel route
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Dielectric Modulated Negative Capacitance Heterojunction TFET as Biosensor: Proposal and Analysis Silicon (IF 3.4) Pub Date : 2024-02-15 Varun Mishra, Lucky Agarwal, Chandni Tiwari, Vikas Rathi
In this article, a label-free biosensor with a single cavity that uses a negative capacitance heterojunction charge-plasma-based tunnel FET (NC-HJ-CP-TFET) is presented and examined. To increase ON-state current, ferroelectric material (Si:HfO2) has been added to a stack with a gate insulator and low energy bandgap material (Si0.5Ge0.5). In terms of biosensing properties, comparisons have been made
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Theoretical Examination of the Radiation Shielding Qualities of MgO-PbO-SiO2-B2O3-BaO Glass Systems Silicon (IF 3.4) Pub Date : 2024-02-15 M. I. Sayyed
Melt quenching method was used to prepare a glass series composed of 5MgO-20PbO-10SiO2-(65-x)B2O3-xBaO, (x = 10, 15, 20 and 25 mol%), with the resulting glasses' capacity for radiation shielding explored through Phy-X software. The mass attenuation coefficients (MAC) were examined in the 0.122–1.485 MeV energy range, with 0.122 MeV the resulting maximum value and a 1.557–1.611 cm2/g variation. At the
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Computational Analysis of Structural, Elastic, and Optoelectronic Properties of Silicon-Based XSiO3 (X = Sc and Y) Oxide Perovskite Compounds Employing the Density Functional Theory Approach Silicon (IF 3.4) Pub Date : 2024-02-15
Abstract Our investigation centered on a comprehensive examination of the physical properties exhibited by XSiO3 (X = Sc, Y). Utilizing the WIEN2k code for simulation and analysis, we employed the advanced Generalized Gradient Approximation (GGA), examination of the physicalspecifically the PBE-GGA, to predict the structural and mechanical properties. Confirmation of structural stability was achieved
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Development of Spherical Eutectic Si Particles through M-SIMA Process and Its Effects on the Tensile Properties of Al-7Si-0.05Sr Alloy Silicon (IF 3.4) Pub Date : 2024-02-13 Chandan Choudhary, Savitesh K. Sharma, Sk M. D. Arif, K. L. Sahoo, Anil Bisen, Durbadal Mandal
This paper investigates the microstructure and mechanical behavior of modified strain-induced melt activation (M-SIMA) processed Al-7Si-0.05Sr alloy. The M-SIMA process involves multiple warm rolling at 150 °C (below recrystallization temperature) to reduce its thickness by 60% to its original dimension, followed by semi-solid isothermal treatment at 585 °C for 30 min. The microstructure was characterized
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Silicon Nutrition for Ameliorating Chromium Toxicity in Maize (Zea mays L.) by Suppressing Absorption and Translocation to Aerial Plant Tissues Silicon (IF 3.4) Pub Date : 2024-02-13 Fatima Latif, Muhammad Abid, Muhammad Ashraf
Soil contamination with chromium (Cr) is posing a severe threat to global food security and safety. Conventional strategies being used to combat Cr toxicity are costly, destructive and environmentally problematic. The present study aimed to evaluate silicon (Si) nutrition for ameliorating Cr toxicity in maize (Zea mays L). Experimental plan comprised of four Cr levels, i.e. control (Cr0), 5 mg kg−1
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Optical Properties of One Pot Synthesized Porous, Monodisperse, Size-Controlled Silica Particles: Effect of Tetra Alkoxysilane Addition Rate Silicon (IF 3.4) Pub Date : 2024-02-13
Abstract A semi-batch process was used to produce porous silica particles with a narrow size distribution of size range 0.79- 2.51 µm by injecting an ethanolic solution of tetraethyl orthosilicate (TEOS) in a controlled manner in the Stöber process without adding any stabilizer, surfactant or porogen. The growth mechanism was found to be dominated by interface reactions and diffusion-limited processes
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Silicon, Carbon, Germanium, Aluminum Nitride nanocages (Si60, C60, Ge60, Al30N30) as catalysts of N2 reduction to NH3 Silicon (IF 3.4) Pub Date : 2024-02-13
Abstract The potential of Zn, Co and Mn doped Silicon, Carbon, Germanium, Aluminum Nitride (Si60, C60, Ge60, Al30N30) nanocages for N2-RR to produce the NH3 are examined by theoretical methods. The possible reaction steps of N2-RR on Zn, Co and Mn doped Silicon, Carbon, Germanium, Aluminum Nitride (Si60, C60, Ge60, Al30N30) nanocages are examined by theoretical methods. Results shown that the ∆Eadsorption
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Facile Synthesis of Sodium Iron Silicate/Sodium Iron Oxide Silicate Nanostructures from Canned Beans and Rice Husk Wastes for Efficient Removal of Cd(II) Ions from Aqueous Media Silicon (IF 3.4) Pub Date : 2024-02-13
Abstract Waste materials are often available without cost, making them economically viable sources for the production of nanoadsorbents. This can significantly reduce the overall cost of manufacturing and contribute to cost-effective waste management strategies. Hence, in this study, canned beans and rice husk wastes were employed as sources of iron and silicon, respectively, for facile and low-cost
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Influence of Transition Metals on the Development of Semiconducting and Low Thermal Expansion TiO2-Borosilicate Glasses and Glass Ceramics Silicon (IF 3.4) Pub Date : 2024-02-12
Abstract This current investigation represents as well as discusses in detail the characterization of the thermal, mechanical, as well as electrical characteristics of titanium-based borosilicate glasses doped transition metal ions (3d) in addition to their corresponding glass–ceramics. The building structural units of the as-prepared glasses together with their glass – ceramic were characterized by
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Influence of La2O3 on Mechanical Properties and Radiation-Shielding Performance of Magnesium Beryllia-Borosilicate Glass System Silicon (IF 3.4) Pub Date : 2024-02-12 Kh. S. Shaaban, Khalid Alsafi, Dalal Abdullah Aloraini, Wafa M. Al-Saleh, Haifa M. Almutairi, E. E. Assem
The composition of the pentagonal glass system, which is composed of 57B2O3-16SiO2-11BeO- (16-x) MgO-xLa2O3, x = (0 \(\le x\le 16\) mol %), has been synthesized by the melt quench process. XRD diffractograms' wide haloes testified to the materials' amorphous state. It was discovered that, density increased in response to La2O3 concentration, whereas molar volume decreased. Additionally, the ranges
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Structural, Elastic, Optical and Radiation Shielding Properties of Orthosilicate-based Crystals: Insights form Hirshfeld Topological Geometries Silicon (IF 3.4) Pub Date : 2024-02-12 Z. Y. Khattari
This paper investigates the structural, elastic, radiation, and optical properties of Orthosilicate-based crystals (OSMs). Through comprehensive analyses of molar volumes, densities, band gap values and effective atomic numbers, it offers insights into the intricate relationship between these parameters and the physical behavior of OSMs. The structural and elastic properties were found to depend on
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Optimization and Comparative Analysis of Rectangular and Slot Waveguide based Symmetric Ring and Racetrack Resonators for SoI Photonic Integrated Filters Silicon (IF 3.4) Pub Date : 2024-02-12 Shalini Vardhan, Ritu Raj Singh
Over the past decades Silicon on Insulator (SoI) technology has tantalized the interest of researchers in the design of numerous nonlinear Photonic Integrated Circuits (PIC’s) to provide a variety of devices. In this manuscript, four different types of optical add/drop resonators are proposed and compared using their simulated microcomb notch filter performance. The four types of resonators are (i)
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Impact of the La2O3 Addition on the Structure, Mechanical and Radiation Attenuation Features of La2O3–ZnO–SiO2–B2O3 Glass Silicon (IF 3.4) Pub Date : 2024-02-09 Haifa M. Almutairi, Dalal Abdullah Aloraini, Khalid Alsafi, Wafa M. Al-Saleh, Ali S. Alzahrani, Kh. S. Shaaban
Five glass samples with the following chemical formation: 21.5 SiO2-58.5B2O3-(20-x) ZnO- xLa2O3, where x = 0–10 mol% were fabricated utilizing melt quenching. With an increase in La2O3, the glasses' density increased from 3.174 to 4.754 g/cm3. Experimental data were used to evaluate the mechanical characteristics, and the Makishima and Mackenzie model's semi-empirical methods were used to analyze the