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Crystal structure, spectroscopic properties, and Hirshfeld surface analysis of a Ni2+-doped 3,14-diethyl-2,13-diaza-6,17-diazoniatricyclo (16.4.0.07,12)docosane dichloride dihydrate

Dohyun Moon、Jonghyoun Jeon、Jong‐Ha Choi2020-07-17Journal of Coordination Chemistry

The crystal structure of a new Ni2+-doped 3,14-diethyl-2,13-diaza-6,17-diazoniatricyclo(16.4.0.07,12)docosane dichloride dihydrate was determined using synchrotron radiation at 220 K. The structural information confirmed that the asymmetric unit contains half of the centrosymmetric molecule and the compound is square…

Metal complexes synthesis and propertiesCrystal structures of chemical compoundsMagnetism in coordination complexes

Biogenic preparation of doughnut shaped manganese nanograins embellished on graphene for superior interfacial binding of biomarkers

Ayesha Taj、Rabisa Zia、Jie Xu 等 9 位作者2020-07-17Journal of Materials Research and Technology

The astounding characteristics of the nanomaterials can be crafted to prepare tailor-made interfaces, especially for the development of biomedical applications. In the present study, we illustrate the preparation of a new class of doughnut-shaped manganese nanograins embellished on the graphene sheets to develop hybri…

Nanoparticle-Based Drug DeliveryCarbon and Quantum Dots ApplicationsGraphene and Nanomaterials Applications

Role of ClpB From Corynebacterium crenatum in Thermal Stress and Arginine Fermentation

Mingzhu Huang、Yue Zhao、Lin Feng 等 6 位作者2020-07-17Frontiers in Microbiology

ClpB, an ATP-dependent molecular chaperone, is involved in metabolic pathways and plays important roles in microorganisms under stress conditions. Metabolic pathways and stress resistance are important characteristics of industrially -relevant bacteria during fermentation. Nevertheless, ClpB-related observations have…

Microbial Metabolic Engineering and BioproductionHeat shock proteins researchEnzyme Structure and Function

Influence of Heat Treatment on the Corrosion Resistance of Aluminum-Copper Coating

M. Scendo、S. Spadło、Katarzyna Staszewska-Samson 等 4 位作者2020-07-17Metals

Influence of heat treatment on the corrosion resistance of the aluminum-copper (Al-Cu) coating on the aluminum substrate was investigated. The coating was produced by the electrical discharge alloying (EDA) method. The surface and microstructure of the specimens were observed by a scanning electron microscope (SEM). T…

Aluminum Alloys Composites PropertiesAdvanced Machining and Optimization TechniquesNanoporous metals and alloys

Crystallization of Cu-doped thin Ge film assisted with a Cu–Ge droplet

Akito Hara、Hitoshi Suzuki、Hiroki Utsumi 等 5 位作者2020-07-17Japanese Journal of Applied Physics

Abstract We observed the crystallization process of an amorphous germanium (a-Ge) thin film, including copper (Cu) nanoparticles in the intermediate position of the structures in terms of depth, by using in situ TEM. It was found that a nanoscale droplet was formed around the Cu nanoparticles at 500 °C, which is lower…

Thin-Film Transistor TechnologiesSilicon Nanostructures and PhotoluminescenceNanomaterials and Printing Technologies

Nano-scale depth-varying recrystallization of oblique Ar+ sputtered Si(111) layers

Divya Gupta、G.R. Umapathy、Rahul Singhal 等 5 位作者2020-07-17Scientific Reports

Abstract Silicon, the workhorse of semiconductor industry, is being exploited for various functional applications in numerous fields of nanotechnology. In this paper, we report the fabrication of depth controllable amorphous silicon (a-Si) layers under 80 keV Ar+ ion sputtering at off-normal ion incidences of 30°, 40°…

Diamond and Carbon-based Materials ResearchIon-surface interactions and analysisIntegrated Circuits and Semiconductor Failure Analysis

Metal-ion-controlled growth and nanoindentation response of 3D, bicontinuous Cu–Fe thin films

Benjamin K. Derby、Arya Chatterjee、Amit Misra2020-07-17Journal of Applied Physics

Bicontinuous, nanocomposite thin film morphologies depend largely on the deposition conditions applied during physical vapor deposition. With the introduction of high-power impulse magnetron sputtering (HiPIMS), the range of potential morphologies achieved during deposition has been increased. In this work, we compare…

Microstructure and mechanical propertiesMetal and Thin Film MechanicsCopper Interconnects and Reliability

Morphology of Thin Films of Aromatic Ellagic Acid and Its Hydrogen Bonding Interactions

Eva Bittrich、Jari Domke、Dieter Jehnichen 等 15 位作者2020-07-17The Journal of Physical Chemistry C

Ellagic acid (EA), an antioxidant from fruits or other plants, has recently evoked interest in the field of organic electronics because of its weak electron donor properties. In this work, the preparation of uniaxial π-stacked EA films by thermal evaporation on different surfaces is reported for the first time. The (1…

Quantum Dots Synthesis And PropertiesAntioxidant Activity and Oxidative StressChalcogenide Semiconductor Thin Films

DIFFUSION OF CO2 THROUGH POLYMER MEMBRANES

CHATRINE HOGSETH OLSEN、MORTEN AUGESTAD、Irene Helland 等 5 位作者2020-07-17WIT transactions on ecology and the environment

The food industry uses polymers as packaging to protect and maintain high quality and freshness of the product during distribution and storage. Polymers are permeable by gases like O2, CO2 and water vapour. In this paper, a suggestion for a model describing the diffusion of CO2 through different polymers used in food…

Polymer crystallization and propertiesbiodegradable polymer synthesis and propertiesMembrane Separation and Gas Transport

Pipeline leak detection using the multiple signal classification-like method

Juan Li、Ying Wu、Changgang Lu2020-07-17Journal of Hydroinformatics

Abstract Leakages in pipelines can cause severe hazards to industries, the environment and people. For the purpose of an accurate identification of the leakage location, a transient-based leakage detection method using multiple signal classification (MUSIC)-like is applied to this paper. The localization is achieved b…

High voltage insulation and dielectric phenomenaWater Systems and OptimizationGeophysical Methods and Applications

Properties of atomic layer deposited iron oxide and bismuth oxide chloride structures

Helina Seemen、Kaupo Kukli、Taivo Jõgiaas 等 9 位作者2020-07-17Journal of Alloys and Compounds

Two-component crystalline thin film structures consisting of continuous ε-Fe2O3 bottom layers followed by top layers of BiOCl nanoflakes were grown using atomic layer deposition from FeCl3 and BiCl3 at 375 °C. Si(100) planar wafer, three-dimensional Si structures and conductive TiN/Si were exploited as substrates. Ele…

Iron oxide chemistry and applicationsCopper-based nanomaterials and applicationsElectronic and Structural Properties of Oxides

Microstructural Characteristics in Babbitt Coatings Deposited by LPCS

Wolfgang Tillmann、Leif Hagen、M. Abdulgader 等 5 位作者2020-07-17Coatings

Studies have already established that the mechanical properties of Babbitt coatings significantly depend on the microstructural characteristics, such as the amount and distribution of intermetallic compounds dispersed in a soft solid solution matrix. For Sn–Sb–Cu-based Babbitt coatings, the formation of SbSn- and CuSn…

Advanced ceramic materials synthesisHigh-Temperature Coating BehaviorsIntermetallics and Advanced Alloy Properties

Hysteresis Reduction in Tunneling Magnetoresistive Sensor With AC Modulation Magnetic Field

Shu Liao、Han-Sheng Huang、Andrei Sokolov 等 10 位作者2020-07-17IEEE Transactions on Magnetics

A simple and practical ac modulation method to reduce the hysteresis in tunneling magnetoresistive (TMR) sensor is demonstrated. It is shown that with a suitable ac modulation magnetic field that is applied along the sensing direction of the TMR sensor, the hysteresis in the sensor can be reduced to a negligible level…

Magnetic properties of thin filmsMagnetic Properties and ApplicationsMagnetic Field Sensors Techniques

Implementation of a 2-D Reconfigurable Fresnel-Zone-Plate Antenna

Chao Ma、Huan Li、Bin Zhang 等 9 位作者2020-07-17IEEE Transactions on Antennas and Propagation

Combining the advantages of the phase tunability provided by active frequency selective surfaces (FSSs) and the beam-steering scheme used in conventional 1-D Fresnel-zone-plate (FZP) antennas, we report in this communication a 2-D beam-steering FZP antenna that needs only 180° phase tunability. Compared with transmit…

Antenna Design and AnalysisMetamaterials and Metasurfaces ApplicationsAdvanced Antenna and Metasurface Technologies

Influence of the Molar Ratio and Solvent on the Coordination Modes of 1,7-Dibenzyl-4,10-bis(pyridin-4-ylmethyl)cyclen

Eunji Lee、Miho Hayano、Huiyeong Ju 等 6 位作者2020-07-17Inorganic Chemistry

The synthesis of a tetra-armed cyclen ( L ) with two benzyl groups at the 1- and 7-positions and two pyridin-4-ylmethyl groups at the 4- and 10-positions as side arms and the solvent- and/or molar-ratio-dependent coordination modes in the formation of silver(I) complexes are reported. 1 H NMR and cold-spray-ionization…

Metal-Organic Frameworks: Synthesis and ApplicationsMetal complexes synthesis and propertiesMagnetism in coordination complexes

Design of Defect and Metallic Silver in Silver Phosphate Photocatalyst Using the Hydroxyapatite and Glucose

Uyi Sulaeman、Suhendar Suhendar、Hartiwi Diastuti 等 5 位作者2020-07-17Indonesian Journal of Chemistry

The defect and metallic silver (Ag) in silver phosphate (Ag3PO4) photocatalyst were successfully generated using hydroxyapatite (HA) and glucose. Two steps of synthesis were done in these experiments. Firstly, the Ag/HA powder was prepared by reacting AgNO3 and HA, followed by the addition of a glucose solution. Secon…

Advanced Photocatalysis TechniquesQuantum Dots Synthesis And PropertiesAdvanced Nanomaterials in Catalysis

Evaluating the Utility of Principal Component Analysis on EDS X‐Ray Maps to Determine Bulk Mineralogy

Karen J. Spaleta、Sarah M. Hayes、R. J. Newberry 等 4 位作者2020-07-17Geostandards and Geoanalytical Research

Due to advances in EDS technology, electron microscopy techniques have become an important tool to determine the relative abundance of mineral phases. However, few studies have directly compared EDS X‐ray mineralogy with traditional techniques for assessing bulk mineralogy and elemental composition. We show that analy…

X-ray Spectroscopy and Fluorescence AnalysisMineral Processing and GrindingX-ray Diffraction in Crystallography

Investigating the structure, adhesion and tribological properties of Al and Zr-doped TiN coatings with various substrate bias voltage and working pressure

Yaşar Sert、Tevfik Küçükömeroğlu、İhsan Efeoğlu2020-07-17Proceedings of the Institution of Mechanical Engineers Part J Journal of Engineering Tribology

In this study, TiAlZrN films were coated on the hardened 1.2344 (X 40 CrMoV 5 1) steels using DC power supplied closed field unbalanced magnetron sputtering (CFUBMS) technique. Structural investigations of coatings were carried out using scanning electron microscope and X-ray diffraction. The thickness of coatings was…

GaN-based semiconductor devices and materialsMetal and Thin Film MechanicsDiamond and Carbon-based Materials Research

Extrusion improved the physical and chemical properties of dietary fibre from bamboo shoot by‐products

Mo Yang、Liangru Wu、Chongjiang Cao 等 5 位作者2020-07-17International Journal of Food Science & Technology

Summary Bamboo shoot by‐products are regarded as waste and environmental pollutant. This study aimed to improve the functional properties of dietary fibre from bamboo shoot by‐products. After CO 2 extrusion, the particle size of CO 2 ‐extruded bamboo fibre was 17.6% lower than that of the control, and its specific sur…

Natural Fiber Reinforced CompositesAdvanced Cellulose Research StudiesBamboo properties and applications

Crystallographic evidence of Watson–Crick connectivity in the base pair of anionic adenine with thymine

Manish Kumar Mishra、Steven P. Kelley、Volodymyr Smetana 等 7 位作者2020-07-17Proceedings of the National Academy of Sciences

Significance All genetic information on Earth is encrypted in DNA and RNA with the nucleobases and their pairs being the main information units. There are strict established rules how nucleobases can interact between each other in the DNA. These rules can though be affected by external factors such as radiation causin…

Advanced Chemical Physics StudiesDNA and Nucleic Acid ChemistryEnzyme Structure and Function