Materials Literature
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A series of guidelines (tips) to provide a satisfactory characterization of a twinned sample is provided, and a series of traps to avoid is pointed out. The fundamental concepts and definitions are summarized, which represent the minimal theoretical background behind these guidelines.
We develop a multi-generation model to examine secondary electron emission (SEE) from a rough metal surface. In this model, the traces of both primary electrons (PEs) and secondary electrons (SEs) are tracked by combining the electron scattering in the material and the multi-interaction with the rough surface. The eff…
In view of the increasing significance of technology-driven devices such as microelectromechanical systems, energy-harvesting devices, and organic field effect transistors, polymer electret materials with durable electret performance at elevated temperatures become more and more important. However, typical polymer ele…
Since nanoparticles are considered emerging contaminants in water, there is a pressing need to ensure their removal. Specifically, recent studies have found titanium dioxide nanoparticles (TiO2) to potentially cause adverse environmental and health effects. Typical treatment plants have three stages of prefiltration t…
Cation vacancies and electrical compensation in Sb-doped thin-film SnO2 and ZnO, Korhonen, E, Prozheeva, V, Tuomisto, F, Bierwagen, O, Speck, J S, White, M E, Galazka, Z, Liu, H, Izyumskaya, N, Avrutin, V, Özgür, Ü, Morkoç, H
Synthesis and characterization of polyaniline‐grafted poly(styrene‐ alt ‐maleic anhydride) (PANI‐ g ‐PSMA) was carried out to obtain conductive comb copolymers with highly improved processability. First, polyaniline (PANI) was prepared in nano‐scale by chemical synthesis under ultrasonic irradiation. Then the poly(sty…
Functionalized carbon nanotubes (F‐CNTs) were synthesized through the nucleophilic substitution reaction between four‐armed star poly( d ‐lactide) (4PDLA) and acryl chloride of carbon nanotubes and were characterized using Fourier transform infrared spectroscopy, X‐ray photoelectron spectroscopy and thermogravimetric…
We report the influence of epitaxial strain um on the elastocaloric properties of BaTiO3 thin films. Using thermodynamic calculations, we show that there exists a critical compressive stress σ3c at which the elastocaloric effect is maximized for any compressive misfit strain we investigate. Moreover, it is found that…
In the present work, for the first time, nano‐thick peptidomimetic coatings were developed using a LP inductively excited pulsed plasma polymerization of 2‐ethyl‐2‐oxazoline (ppEtOz) to control the cell‐surface interactions for biological applications. The different ppEtOz coated surfaces were investigated by FTIR‐ATR…
We demonstrate the impacts of Ag doping on the local atomic structure of amorphous GeTe phase-change material. The variations of phonon vibrational modes, boding nature, and atomic structure are shown by Raman, X-ray photoelectron spectroscopy, and ab initio calculation. Combining the experiments and simulations, we o…
A transparent superhydrophobic surface on glass is prepared by a rapid single-step method using a He, CH4, C4F8 mixture plasma at atmospheric pressure. Water droplet contact angles and surface properties are investigated to analyze both chemical and physical characteristics of the plasma treated surfaces. As the C4F8…
A special artificial spider silk is presented which is fabricated by using both an elastic polymer and a fiber, and the water collection behavior is investigated. Through exerting tension in varying degree, the length of the three-phase contact line (TCL) and the area of spindle knot can be regulated readily, which ma…
In this study, microcrystalline cellulose (MCC) was<br> extracted from oil palm empty fruit bunch (EFB) cellulose which was<br> earlier isolated from oil palm EFB fibre. In order to isolate the<br> cellulose, the chlorination method was carried out. Then, the MCC<br> was prepared by simultaneous ultrasonic and alkali…
Helium ion microscopy (HIM) was used for direct nano-patterning of single-layer graphene (SLG) on SiO2/Si substrates. This technique involves irradiation of the sample with accelerated helium ions (He+). Doses of 2.0 × 1016 He+ cm−2 from a 30 kV beam induced a metal-insulator transition in the SLG. The resolution of H…
Localized surface plasmon resonance (LSPR) switching was investigated in a Au/GeSbTe/Au nanosandwich as a key active element for plasmonic integrated circuits and devices. Near-infrared single-particle spectroscopy was conducted to examine the interaction of a Au nanorod (AuNR) and Au film, between which a GeSbTe laye…
Cork is a strategic material used in multiple applications and its use has accompanied mankind since the days of Ancient Egypt. The cork oak forests are extremely well adapted to the semi-arid regions of southern Europe and northern Africa (western Mediterranean). These forests help to prevent the advance of desertifi…
Magnetic refrigeration based on the magnetocaloric effect is one of the best alternatives to compete with vapor-compression technology. Despite being already in its technology transfer stage, there is still room for optimization, namely, on the magnetic responses of the magnetocaloric material. In parallel, the demand…
Alignment states of one-dimensional multiwalled carbon nanotubes containing various contents of zero-dimensional ferriferrous oxide nanoparticles (MWCNT-Fe3O4) were numerically characterized. MWCNT-Fe3O4 complexes were successfully prepared via in situ surface-initiated atom transfer radical polymerization, followed b…
We designed a self-assembled multichromophoric organic molecular arrangement inside polymer nanoparticles for light-harvesting antenna materials. The self-assembled molecular arrangement of quaterthiophene molecules was found to be an efficient light-absorbing antenna material, followed by energy transfer to Nile red…
Grain boundary junctions were fabricated in the epitaxial FeSe0.5Te0.5 thin films on [001] tilt SrTiO3 bi-crystal substrates with a CeO2 buffer layer. Critical current densities across the junctions with different mis-orientation angles of 4°, 7°, 15°, and 24° were measured at magnetic fields up to 30 T. It was found…