INVESTIGATION OF POLARIZATION IN HETEROSTRUCTURES WITH THE QUANTUM WELL AlGaN / GaN USING CAPACITANCE-VOLTAGE CHARACTERISTICS by O. A. Ruban, P. P. Maltsev

“…By analyzing the capacitance-voltage characteristics, electron traps were found. According to the modified model by Ambacher, spontaneous Psp values and piezoelectric polarization Ppz were alculated. …”
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Physicochemical Properties of Handere Clays and Their Use as a Building Material by Yasin Erdoğan

“…The physicochemical properties of these clays have been investigated by different techniques including Scanning Electron and Elemental Analysis (SEM and EDS), mineralogical analyses, chemical and physical analyses, X-ray diffraction (XRD), thermogravimetric differential thermal analysis (TG-DTA), and Atterberg (Consistency) Limits Test. …”
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Effect of Sisal Fiber Surface Treatment on Properties of Sisal Fiber Reinforced Polylactide Composites by Zhaoqian Li, Xiaodong Zhou, Chonghua Pei

“…The results from mechanical testing revealed that surface-treated sisal fiber reinforced composite offered superior mechanical properties compared to untreated fiber reinforced polylactide composite, which indicated that better adhesion between sisal fiber and PLA matrix was achieved. Scanning electron microscopy (SEM) investigations also showed that surface modifications improved the adhesion of the sisal fiber/polylactide matrix.…”
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Mechanical Properties of Fiber-Reinforced Concrete Using Composite Binders by Roman Fediuk, Aleksey Smoliakov, Aleksandr Muraviov

“…Compaction of structure on micro- and nanoscale levels was characterized by different techniques: X-ray diffraction, DTA-TGA, and electron microscopy. Results showed that the grinding of active mineral supplements allows crystallization centers to be created by ash particles as a result of the binding of Ca(OH)2 during hardening alite, which intensifies the clinker minerals hydration process; the presence of fine grains limestone also leads to the hydrocarboaluminates calcium formation. …”
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Effect of Catalytic Gasification of Active Carbon from Plum Stones on its Mesoporous Structure by R. Leboda, W. Grzegorczyk, A. Lodyga, A. Dabrowski

“…The texture of the adsorbent particles has been studied by means of scanning electron microscopy. The kinetics of gasification of the carbon adsorbent in the presence and absence of catalyst has also been studied. …”
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Photoluminescence Quenching and Structure of Nanocomposite Based on Graphene Oxide Layers Decorated with Nanostructured Porphyrin by Omar Bajjou, Precious Nametso Mongwaketsi, Mohammed Khenfouch, Anass Bakour, Mimouna Baïtoul, Malik Maaza, Jany Wery Venturini

“…Nanocomposites based on few-layers graphene oxide (FGO) decorated with porphyrin nanorods (PN) were synthesized and the interfacial interaction between these two components was investigated by using scanning electron microscopy (SEM), photoluminescence spectro‐ scopy, resonant Raman scattering and Fourier transform infrared (FT-IR) techniques. …”
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Angiotensin-I-Converting Enzyme Inhibitory and Antioxidant Activities of Protein Hydrolysate from Muscle of Barbel (Barbus callensis) by Assaad Sila, Anissa Haddar, Oscar Martinez-Alvarez, Ali Bougatef

“…These results obtained by in vitro systems obviously established the antioxidant potency of barbel hydrolysate to donate electron or hydrogen atom to reduce the free radical. …”
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Synthesis of Layered Organic-Inorganic Nanocomposites of Zinc and Copper by Laser Ablation in Liquid by V. T. Karpukhin, M. M. Malikov, T. I. Borodina, G. E. Val'yano, O. A. Gololobova

“…Dependence of the formation dynamics of these composites on an exposure time of radiation and on an aging time of colloids was studied by the absorption spectroscopy, by X-ray diffraction, by scanning electron (SEM), and atomic force microscopy (AFM). …”
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Adsorption of cationic dyes on activated carbon obtained from waste stone by Ünal Geçgel, Osman Üner, Güney Gökara, Yüksel Bayrak

“…The resultant Elaeagnus activated carbon (EAC) with a high activated specific surface area of 1588 m 2 /g was characterized using Brunauer–Emmett–Teller method, Fourier transform infrared spectra, point of zero charge, and scanning electron microscopy. The removals of cationic dyes, i.e., malachite green (MG), rhodamine B (RB), and methylene blue (MB) from aqueous solutions via EAC adsorption were characterized by investigating the effects of adsorbent concentration, contact time, initial dye concentration, and temperature. …”
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Rapid Synthesis of Dittmarite by Microwave-Assisted Hydrothermal Method by Lai zhenyu, Qian Jueshi, Lu Zhongyuan, Li Qian, Zou Qiulin

“…The resulting samples were investigated by X-ray powder diffraction, scanning electron microscopy, Fourier transform infrared spectroscopy, and thermogravimetry-differential thermal analysis. …”
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A Facile Synthesis of Granular ZnO Nanostructures for Dye-Sensitized Solar Cells by Md. Mahbubur Rahman, Narayan Chandra Deb Nath, Kwang-Mo Noh, Jaecheon Kim, Jae-Joon Lee

“…The positive shifting of the Fermi energy (EF) and low density of surface states (DOS) were consistent with the reduction of the recombination of excited electron with electrolyte for smaller grains.…”
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Antibiotic residuals removal via novel fabricated hydrogel from 2-hydroxyethyl methacrylate and sodium methacrylate by Nahit Aktaş, Sinan Akgöl, Urmat Zholdoshbek Uulu

“…Synthesized hydrogels were characterized by different methods such as Fourier-transform infrared spectroscopy (FTIR), elemental and scanning electron microscope (SEM), and surface area calculations. …”
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Application of Fluorescent Label in Polymer Nanofibers by Lucie Zarybnicka, Radka Bacovska, Zuzana Nadvornikova, Numan Almonasy, Tomas Syrovy

“…The presence of the fluorescent probe in the fiber layers was confirmed by attenuated total reflection Fourier transform infrared spectroscopy (ATR-FTIR); the surface nanofiber structure was described by high-resolution fluorescence microscope and scanning electron microscope images. The prepared nanofibers with the fluorescent label were further characterized by fluorescence spectroscopy, both in the solid phase and in the solution.…”
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Magnetic Properties of Fe and Ni Doped SnO2 Nanoparticles by Ravi Kumar, K.D.Verma, Shalendra Kumar, Mayora Varshney, Aditya Sharma

“…X‐Ray Diffraction (XRD), transmission electron microscopy (TEM), energy dispersive x‐ray analysis (EDAX), UV‐ visible absorption spectroscopy and room temperature magnetization measurements were performed to study the crystal structure, morphology, elemental analysis, optical band gap and magnetic properties of Fe and Ni doped SnO2. …”
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Natural Killer Cell and Large Granular Lymphocyte Deficiency in the Gut of Children with Inflammatory Bowel Disease by F Hadziselimovic, LR Emmons, U Schaub

“…Their numbers and localization within the epithelium from various regions of the colon were analyzed with immunohistochemical techniques using fluorescent, light and electron microscopy. The average number of natural killer cells and LGL in normal controls was 3.0±1.l per mn2. …”
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Constraints on the parameters of the neutrino extension of the Standard Model by Volodymyr Gorkavenko, Oleksandr Khasai, Oleg Ruchayskiy, Mariia Tsarenkova

“…This allows us to strengthen the existing cLFV constraints on the tau-flavors from much stronger constraints on muon and electron flavors. We also link the baryon asymmetry of the Universe to the same higher-dimensional effective operators, providing complementary bounds on these parameters.…”
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The Effect of Polymer-Fiber Stabilization on the Unconfined Compressive Strength and Shear Strength of Sand by Jin Liu, Qiao Feng, Yong Wang, Yuxia Bai, Jihong Wei, Zezhuo Song

“…Based on the test results and images of scanning electron microscope (SEM), the reinforcement mechanism was analyzed. …”
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Biomass derived carbon/platinum nanoparticles as electrocatalyst for the hydrogen evolution by Shimaa M. Ali

“…Platinum nanoparticles (Pt NPs) is successively prepared by the microwave-assistant citrate method on a biomass-based support, and characterized by X-rays diffraction, scanning and transmission electron microscopy. The chelation and gelation resulted by using citric acid during the synthesis lead to the formation of highly stabilized and dispersed Pt NPs on the carbon support. …”
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Magnetic Properties of Well-Aligned ZnO Nanorod Arrays Grown by a Simple Hydrothermal Reaction by Jiangni Yun, Rui Qu, Zhiyong Zhang, Jun Li

“…The as-prepared nanorod arrays were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), energy dispersive spectroscopy (EDS), photoluminescence (PL) spectrum, and magnetization measurements. …”
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Ultrawideband LNA 1960–2019: Review by Shahab Shahrabadi

“…Its historical aspect illustrates when the idea of wideband LNA was born and how it changed to ultrawideband LNA, and its tutorial aspect discusses circuits and achievements to present optimum LNAs in Complementary MOS (CMOS), BiCMOS and High‐Electron‐Mobility Transistor (HEMT) technologies. This work describes the endeavours of engineers in reaching UWB LNA from narrowband LNA during six decades that have great importance as a chapter in understanding this topic because it teaches all topologies, techniques, circuits and related events in a historical narrative for trained readers who are not experts on this topic.…”
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