Materials Literature
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Hierarchical porous carbon with highly ordered straight micro-channels was prepared though a facile melt vacuum infiltration method using continuous filament glass fiber arrays as the template and glucose as the precursor.
Novel nanocomposite of (1-x)CuFe 2 O 4 /xMnO 2 [x=10% to 50 wt%] has been synthesized by two step wet chemical route without impurity. The x-ray diffraction analysis shows the formation of both phases with crystallite size 40–100 nm which is consist ant with estimated size of SEM.The FTIR spectra confirms the characte…
The energy band alignment between atomic layer deposited (ALD) high-k dielectrics of ZrO 2 and HfO 2 with n-type β-Ga 2 O 3 was evaluated using x-Ray photoelectron spectroscopy. The valence band offset was found to be −0.3 ± 0.04 eV and −0.5 ± 0.04 eV for ZrO 2 and HfO 2 , respectively, which produced type II, stagger…
The efficiency of thermal transport across solid interfaces presents large challenges for modern technologies such as thermal management of electronics. In this paper, we report the first demonstration of significant enhancement of thermal transport across solid interfaces by introducing interfacial nanostructures. An…
Versatile bioinspired strategies are urgently needed to fabricate high-performance nanoprobes for biomedical application. Herein, a novel bioinspired technology of mimicking drug–substrate interaction is reported for the fabrication of high-performance nanoprobes. As a proof of concept, a multifunctional bovine serum…
, respectively. Meanwhile AgNCs demonstrated no apparent antibacterial activity against Gram-positive S. aureus. Then, the antibacterial mechanisms of AgNCs were systematically investigated. We found that AgNCs affected the growth of different E. coli strains in different ways. AgNCs inhibited the growth of E. coli DH…
Owing to its intrinsically lubricious property, graphene has a high potential to be an atomically thin solid lubricant for sliding interfaces. Despite its ultrahigh breaking strength at the nanoscale, graphene often fails to maintain its integrity when subjected to macroscale tribological tests. To reveal the true wea…
Six free base porphyrins bearing 0–4 meso substituents have been examined by steady-state and time-resolved absorption and fluorescence spectroscopy in both toluene and N, N -dimethylformamide (DMF). The lifetime of the lowest singlet excited state (S 1 ) decreases with an increase in the number of meso -phenyl groups…
High Resolution Image Download MS PowerPoint Slide Vanadium dioxide (VO 2 ), with reversible metal–semiconductor transition near room temperature, is a compelling candidate for thermochromic windows. Nanocomposite coatings derived from VO 2 nanoparticles are particularly superior to VO 2 films due to their advantages…
We report on a combined photoluminescence imaging and atomic force microscopy study of single, isolated self-assembled InAs quantum dots (density <0.01 um^(-2) capped by a 95 nm GaAs layer, and emitting around 950 nm. By combining optical and scanning probe characterization techniques, we determine the position of sin…
In the present work motivated by generalized forms of the Hertzian dynamics associated with granular crystals, we consider the possibility of such models to give rise to both shock and rarefaction waves. Depending on the value $p$ of the nonlinearity exponent, we find that both of these possibilities are realizable. W…
The material class of hybrid organic-inorganic perovskites has risen rapidly from a virtually unknown material in photovoltaic applications a short 7 years ago into a ~20% efficient thin-film solar cell material. As promising as this class of materials is, however, there are limitations associated with its poor long-t…
It is shown that a slip wave solution exists for anti-plane sliding of an elastic layer on an elastic half-space. It is a companion solution to the well-known Love wave solution.
Instead of analog electronic circuits and components, digital controllers that are capable of active multi-resonant piezoelectric shunting are applied to elastic metamaterials integrated with piezoelectric patches. Giving thanks to the introduced digital control technique, shunting strategies with transfer functions t…
We study the mass transport dynamics of an adsorbed layer near a discontinuous incommensurate striped-honeycomb phase transition via numerical simulations of a coarse-grained model focusing on the motion of domain walls rather than individual atoms. Following an initial step profile created in the incommensurate strip…
In this paper, variation in electrical properties of CFRP caused by relatively low magnitude current impulses discharged through CFRP coupons are reported, and internal changes of the composite, due to current impulses, are studied. Based on electrical resistance measurements caused by these currents, property changes…
LiFePO4-based cathodes suffer from various degradation mechanisms which influences the battery performance. In this paper morphological and structural degradation phenomena in laboratory cathodes made of LiFePO4 (LFP) mixed with carbon black (CB) in an 1 mol L-1 LiPF6 in EC:DMC (1:1 by weight) electrolyte are investig…
We investigated the electronic and optoelectronic properties of vertical van der Waals heterostructure photodetectors using layered p type GaSe and n type InSe, with graphene as the transparent electrodes. Not only the photocurrent peaks from the layered GaSe and InSe themselves were observed, also the interlayer opti…
Atomic dynamics takes a fundamental part in numbers of physical properties of solids like high-Tc superconductivity, semiconducting transports, and thermoelectricity. Perovskite CH3NH3PbI3 exhibits outstanding photovoltaic performances, but the exact physical scenario has not been established yet, due to the inadequat…
In this work we compare Monte Carlo (MC) simulations of electron transport properties with reflection electron energy loss measurements in diamond and graphite films. We assess the impact of different approximations of the dielectric response on the observables of interest for the characterization of carbon-based mate…