Monolithic microcavity with carbon nanotubes as active material
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Nonuniform Chain-Length-Dependent Diffusion of Short 1-Alcohols in SAPO-34 in Liquid Phase
Liquid-phase diffusion of 1-alcohols in SAPO-34 was explored by batch experimentation. The uptake of pure and binary mixtures of 1-alcohols, dissolved in tert -butanol, was obtained for C1–C8 1-alcohols at temperatures between 25 and 80 °C, concentrations varying between 0.5 and 10 wt %, and crystal sizes between 7.5…
Bias-Stress-Induced Instabilities in P-Type ${\rm Cu}_{2}{\rm O}$ Thin-Film Transistors
We investigate the gate bias-stress-induced instabilities of p-type copper oxide (Cu2O) thin-film transistors (TFTs). Transfer curves measured before and after the application of constant gate bias stress under air and vacuum environments show that the partial pressure of the oxygen in the environment does not much af…
Fabrication and characterization of thermally drawn fiber capacitors
We report on the fabrication of all-in-fiber capacitors with poly(vinylidene fluoride) (PVDF) as the dielectric material. Electrodes made of conductive polymer are separated by a PVDF thin film within a polycarbonate casing that is thermally drawn into multiple meters of light-weight, readily functional fiber. Capacit…
Endocytosis and Intracellular Trafficking Properties of Transferrin-Conjugated Block Copolypeptide Vesicles
Block polypeptides are an emerging class of materials that have the potential to be used in many biomedical applications, including the field of drug delivery. We have previously developed a negatively charged block copolypeptide, poly(L-glutamate)60-b-poly(L-leucine)20 (E60L20), which forms spherical vesicles in aque…
Two-Dimensional Honeycomb Lattice Consisting of a New Organic Radical 2-Cl-6-F-V
We have successfully synthesized new organic radical crystals of 2-Cl-6-F-V [= 3-(2-chloro-6-fluorophenyl)-1,5-diphenylverdazyl]. Two types of dominant intermolecular interactions forming a honeycomb lattice are deduced from the molecular packing in the crystal, and ab initio molecular orbital calculation also indicat…
Grain size dependence of dielectric relaxation in cerium oxide as high-k layer
Cerium oxide (CeO2) thin films used liquid injection atomic layer deposition (ALD) for deposition and ALD procedures were run at substrate temperatures of 150°C, 200°C, 250°C, 300°C, and 350°C, respectively. CeO2 were grown on n-Si(100) wafers. Variations in the grain sizes of the samples are governed by the depositio…
Improving the Magnetic Properties of Co–CoO Systems by Designed Oxygen Implantation Profiles
Oxygen implantation in ferromagnetic Co thin films is shown to be an advantageous route to improving the magnetic properties of Co-CoO systems by forming multiple nanoscaled ferromagnetic/antiferromagnetic interfaces homogeneously distributed throughout the layer. By properly designing the implantation conditions (ene…
d-orbital ordering of oxygen-deficient amorphous and anatase TiO2−x channels for high mobility thin film transistors
Semiconducting behavior in oxygen-deficient amorphous and anatase TiO2−x films prepared by direct current magnetron sputtering was investigated for high mobility oxide thin film transistors (OxTFTs). Rapid thermal annealing (RTA) was found to induce transition from an amorphous to anatase phase in oxygen-deficient TiO…
Tetraazabenzodifluoranthene Diimides: Building Blocks for Solution‐Processable n‐Type Organic Semiconductors
Heterocyclische Diimide mit 11 Ringen wurden synthetisiert; die Diimide sind planar und weisen eine versetzte Face-to-Face-π-Stapelung auf. Die Änderung der Substituenten steuert die elektronische Struktur und die elektronischen Eigenschaften. In organischen Feldeffekttransistoren haben die neuen organischen Halbleite…
Thin Ni film on graphene current spreading layer for GaN-based blue and ultra-violet light-emitting diodes
We introduced a thin nickel (Ni) film onto graphene as a current spreading layer for GaN-based blue and ultraviolet (UV) light emitting diodes (LEDs). The thin Ni film was confirmed to improve the electrical properties of the graphene by reducing the sheet and contact resistances. The advantages of Ni on graphene were…
Adequacy of the virial equation of state and cluster expansion
The limits for the accuracy of the virial expansion and the problem of its divergence have been investigated using the exact cluster expansion of the configuration integral. In the subcritical temperature regimes the virial equation of state is applicable up to the singularity point of the isothermal compressibility,…
Improvement of magnetorheological finishing surface quality by nanoparticle jet polishing
Nanoparticle jet polishing (NJP) is presented as a posttreatment to remove magnetorheological finishing (MRF) marks. In the NJP process the material is removed by chemical impact reaction, and the material removal rate of convex part is larger than that of the concave part. Smoothing thus can progress automatically in…
Water-Soluble Cruciforms and Distyrylbenzenes: Synthesis, Characterization, and pH-Dependent Amine-Sensing Properties
Three water-soluble fluorescent aldehyde-substituted distyrylbenzene derivatives were prepared using Heck or Horner methodologies. Water solubility was achieved through the addition of branched oligoethylene glycol side chains; these are attached via an ether bridge to the aromatic nucleus. The aldehydes are almost no…
A Monovacant Lacunary Silicotungstate as an Efficient Heterogeneous Catalyst for Dehydration of Primary Amides to Nitriles
Acting up with nitriles: A monovacant lacunary silicotungstate, TBA4[α-H4SiW11O39] (I) could act as an efficient heterogeneous catalyst for dehydration of primary amides. Various kinds of primary amides, including benzylic, double bond-containing, heteroaromatic, and aliphatic could be converted into the corresponding…
Development of a morphogenetically active scaffold for three-dimensional growth of bone cells: biosilica-alginate hydrogel for SaOS-2 cell cultivation
Polymeric silica is formed from ortho-silicate during a sol-gel formation process, while biosilica is the product of an enzymatically driven bio-polycondensation reaction. Both polymers have recently been described as a template that induces an increased expression of the genes encoding bone morphogenetic protein 2 (B…
Proximity effects in a topological-insulator/Mott-insulator heterostructure
We investigate proximity effects in a correlated heterostructure of a two-dimensional Mott insulator (MI) and a topological insulator (TI) by employing inhomogeneous dynamical mean-field theory. We show that the edge state of the TI induces strongly renormalized midgap states inside the MI region, which still have a r…
Systematic Formation of Multilayered Core–Shell Microspheres through the Multistep Growth of Coordination Polymers
Hybrid materials: The multistep growth of various coordination polymers has been demonstrated to induce formation of well-defined multilayered core-shell structures. Composition of these structures can be fine-tuned by altering the sequence of the multistep-growth process (see scheme).
Structural and magnetic properties of patterned perpendicular media with linearly graded anisotropy
Views Icon Views Article contents Figures & tables Video Audio Supplementary Data Peer Review Share Icon Share Twitter Facebook Reddit LinkedIn Tools Icon Tools Reprints and Permissions Cite Icon Cite Search Site Citation J. Zhang, Z. Sun, J. Sun, S. Kang, S. Yu, G. Han, S. Yan, L. Mei, D. Li; Structural and magnetic…
Improved Approach to Predict the Power of Energetic Materials
Abstract Nowadays, the ballistic mortar is the preferred test for the explosive power measurements but there is no reliable method for its prediction. For an energetic compound, the formation of low molecular mass gaseous products and a high positive heat of formation per unit weight of the energetic compound are impo…