Materials Literature
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Sintesis nanopatikel Mangananese ferrite telah dilakukan menggunakan metode kopresipitasi dengan memvariasikan konsentrasi NH4OH 1,5 M; 5 M; dan 10 M. Bahan baku yang digunakan adalah pasir besi dan mangan alam. X-Ray Diffraction (XRD), Scanning Electron Microscope (SEM), dan Bartington MS2 Magnetic Susceptibility Met…
Air selalu menjadi kebutuhan penting dalam memenuhi segala aspek kehidupan bagi semua makhluk hidup. Keberadaan sumber daya perairan harus didukung dengan kuantitas yang tercukupi serta kualitas yang baik. Salah satu sumber daya perairan yang sering dimanfaatkan oleh makhluk hidup adalah sungai, terutama aliran sungai…
Natural antioxidants and their association with health benefits have gained unprecedented attention in recent years. They have multiple functions in biological systems and mainly defense against oxidation that produce free radicals in food, chemicals and in living systems. During the past decades, synthesized nanopart…
Investigations of the Kocheshkov redistribution reaction were performed on the six fold coordinated tin(IV) atom using the axially coordinated Sn(IV) meso-tetra-phenylporphyrin system with axially trans di-chloro and trans di-acetylido substituted derivatives. The immobile four dentate porphyrin ligand enables the det…
We investigate the early stage of carbon nanotube (CNTs) growth on Inconel 600 to address the effect of pretreatments such as annealing and plasma pretreatment on growth behavior. In addition, we compare the growth results to other Ni-based superalloys including Invar 42 and Hastelloy C276. The growth substrates were…
Hybrid exciton states can be formed under the strong coupling of plasmons excited by metal nanostructures and excitons. Because of the large exciton binding energy, black phosphorus (BP) is an ideal platform to investigate the strong coupling. In this paper, we first demonstrate the strong coupling between local surfa…
Abstract As the temperature of hot spots increases in electronic devices, thermal management is a key issue for maintaining a device’s reliability and performance. The usual approaches of quickly extracting the heat from the hot spots have focused on aligning two-dimensional filler along the in-plane orientation in th…
Fullerol (C60OH) has been shown to catalyse the trisodium citrate-silver nitrate reaction to generate Ag nanoparticles (AgNPs). These AgNPs exhibit significant nanoplasmic surface-enhanced Raman scattering (SERS), resonance Rayleigh scattering (RRS), and absorption (Abs). When an aptamer (Apt) adsorbs on the C60OH sur…
Block copolymers (BCPs) with various types of nanodomains have potential application to next-generation nanolithography and storage media because of relatively low cost and time-saving process. To obtain complicated and sophisticated devices with nanolithography by using a BCP template, the control of the nanopattern…
Abstract We report temperature‐dependent Raman scattering and magnetization studies of van der Waals ferromagnetic compound CrSi0.8Ge0.1Te3. Magnetic susceptibility measurements revealed dominant ferromagnetic interactions below TC which shift to the lower values due to the presence of vacancies. A Raman active mode,…
Magnesium powder has become an important material in the development of science and technology such as alloy and hydrogen storage. In this work, the chemical composition, crystallite size, and crystal structure of the magnesium powder sample have been studied by using x-ray fluorescent and x-ray diffraction. The x-ray…
Texture and microstructure evolution of ingot and twin-roll casted Mg-Al-Mn magnesium sheets were examined during deep drawing at elevated temperatures. The twin-roll casted sheets possessed smaller grain sizes and weaker basal intensity levels than the ingot-casted sheets. The strength and elongation at room temperat…
In order to comprehensively investigate from the effects of the morphology (length and entanglement) of the molecular chain on the strength of polyethylene to its fracture mechanism, molecular dynamics simulation of uniaxial tension using low molecular weight amorphous polyethylene and firstprinciples calculation of u…
Control of the stress-strain state, compressive and tension stresses, accumulated fatigue damage is one of the goals of non-destructive testing. We consider data of current research in the field of eddy current and electromagnetic methods of non-destructive testing aimed at solving the problem of monitoring the accumu…
A novel dual-template strategy was first proposed for the fabrication of mesoporous silica with hollow triangular prism morphology, using amino acid ionic liquid tetramethylammonium glycine ([N 1111 ][Gly]) and supramolecular organogel N -lauroyl- l -glutamic acid di- n -butylamide (GP-1) as the cotemplate. The influe…
We report the synthesis and magnetic properties of three new nine-membered Fe(III)-Dy(III) cyclic coordination clusters (CCCs), with a core motif of [Fe6Dy3(m-OMe)9(vanox)6(X-benz)6] where the benzoate ligands are substituted in the para-position with X = F (1), Cl (2), Br (3). Single crystal X-ray diffraction structu…
Deriving structure-property relationships for multicomponent ferroelectric materials has always been a challenging problem because the properties are mostly driven by subtle nanoscale correlations which are hard to detect. Here we have studied the famous Pb-free material $x({\mathrm{Ba}}_{0.7}{\mathrm{Ca}}_{0.3}){\mat…
Orientation mapping of quasicrystalline materials is demonstrated using crystalline approximant structures in the technique of electron backscatter diffraction (EBSD). The approximant-based orientations are symmetrised according to the rotational point group of the quasicrystal, including the visualization of orientat…
Layered double hydroxides (LDH) demonstrate significant potential across a range of applications, including as catalysts, delivery vehicles for pharmaceuticals, environmental remediation, and supercapacitors. Explaining the mechanism of LDH action at the atomic scale in these and other applications is challenging, how…
Metal nanoparticles deposited on oxide supports are essential to many technologies, including catalysts, fuel cells, and electronics. Therefore, understanding the chemical bonding strength between metal nanoparticles and oxide surfaces is of great interest. The adsorption energetics, adhesion energy, and adsorbate str…