Materials Literature
按标题、摘要、年份、主题和来源检索公开元数据。结果保留作者、摘要、分类与原始来源链接。
We have investigated the transport property of the double-walled carbon nanotubes (DWCNT)-field effect transistor (FET) devices with HfO2 insulating layers at room temperature and 4.2 K. These devices show the ambipolar FET characteristics after deposition of HfO2 insulating layer. The off-regions of ambipolar behavio…
We report the effect of an electron blocking layer (EBL) on the piezoelectric field in InGaN/GaN multiple quantum well light-emitting diodes (LEDs). Electric-field-dependent ER measurements showed an enhanced piezoelectric field in LEDs with a p-AlGaN EBL compared with LEDs without EBL. In contrast, LEDs with a p-AlGa…
Based on Maxwell's equations and Mie theory, strong sub-wavelength artificial magnetic and electric dipole resonances can be excited within dielectric resonators, and their resonant frequencies can be tailored simply by scaling the size of the dielectric resonators. Therefore, in this work we hybridize commercially av…
The authors describe the interaction of biological nanostructures formed by β(2) -microglobulin amyloid fibrils with three-dimensional silicon microstructures consisting in periodic arrays of vertical silicon walls (≈3 μm-thick) separated by 50 μm-deep air gaps (≈5 μm-wide). These structures are of great interest from…
(La${}_{0.6}$Pr${}_{0.4}$)${}_{0.7}$Ca${}_{0.3}$MnO${}_{3}$ was characterized by means of ultrasound velocity and attenuation to study the temperature and magnetic field dependence of the elastic constants and to gain an insight into the metamagnetic transition. The metal-insulator and ferromagnetic-paramagnetic trans…
An efficient protocol has been developed for a rapid callus induction in Leptadenia pyrotechnica. Nodal, internodal and pod explants from mature plant of L. pyrotechnica were cultured after surface sterilization on Murashige and Skoog medium supplemented with plant growth regulators (PGRs) cytokinins and auxins indivi…
The influence of a treatment with two commercial xylanases on pulp and effluents obtained after the bleaching stages in the OXAZDP (O, oxygen stage; X, xylanase treatment; A, acid stage; Z, ozone stage; D, chlorine dioxide stage; P, hydrogen peroxide stage) sequence was studied. Also, the potential saving in chlorine…
Abstract Highly ordered arrays of BaTiO3 nanostructures were synthesized by the hydrothermal method using TiO2 nanotube arrays as templates. The synthesis yields apparent preferred orientation nanostructures with a perovskite structure. The pristine nanostructures are high purity and contain some degree of hydroxyl gr…
Oberflächenchemie: Eine Methode zur Herstellung komplexer Muster auf Goldträgermaterialien wird vorgestellt. Die Träger wurden mit nitroveratrylgeschützten Carbonsäuren und hydroxyterminierten Thiolmonomeren funktionalisiert und mittels eines photolithographischen Verfahrens direkt strukturiert, wobei Gradienten kompl…
Finite-element models of electrical motors often become very complex and time consuming to evaluate when taking into account every little detail. There is therefore a need for simplifications to make the models computational within a reasonable time frame. This is especially important in an optimization process, as ma…
We have proposed a simple strategy for splitting the virtual orbitals with a large basis set into two subgroups (active and inactive) by taking a smaller basis set as an auxiliary basis set. With the split virtual orbitals (SVOs), triple or higher excitations can be partitioned into active and inactive subgroups (acco…
We have studied the interaction between magnetism and superconductivity in a pseudo-spin-valve structure consisting of a Co/Cu/Py/Nb-layer sequence. We are able to control the magnetization reversal process and monitor it by means of the giant magnetoresistance effect during transport measurements. By placing the supe…
Tungsten oxide with interwoven network structure was prepared by a simple soakage procedure associated with subsequent sintered treatment, using natural eggshell membranes as the template. The synthesis conditions were further investigated by controlling the concentration of the precursor and gas-sensing properties we…
The influence of dysprosia addition on the sintering and resulting microstructure of nano‐grained CeO 2 ceramics was investigated as functions of the spark plasma sintering parameters. The addition of Dy 2 O 3 (forming a solid solution) resulted in an increase in relative density and a decrease in grain size in sinter…
Current-induced spin transfer torque in relatively thick N\'eel domain walls in ferromagnetic metals/semiconductors is considered theoretically in the linear response regime. Using quasiclassical approximation and unitary transformation we calculate the nonequilibrium (current-induced) spin accumulation in the domain…
Gold nanobelts are of interest in several areas; however, there are only few methods available to produce these belts. We report here on a simple evaporation induced self-assembly (EISA) method to produce porous gold nanobelts with dimensions that scale across nanometer (thickness ∼80 nm) and micrometer (width ∼20 µm)…
Converter transformers are the key and the most important components in high voltage direct current (HVDC) power transmission systems. Statistics show that the failure rate of HVDC converter transformers is approximately twice of that of transformers in AC power systems. This paper presents an approach integrated with…
Mesoporous Bi2WO6 plates with worm-like structure have been successfully synthesised by hydrothermal process. The obtained Bi2WO6 plates were characterised by X-ray diffraction, scanning electron microscopy, transmission electron microscopy, Brunauer–Emmett–Teller and UV–vis diffuse reflectance spectrum. The photocata…
Spiral inductors were fabricated by burying thick metals in radio frequency (RF) package substrates. The inductors consist of a 40-μm-thick copper spiral buried in an anodized aluminum substrate and an overpass supported by a benzocyclobutene layer on top of the substrate. Due to their low ohmic loss, significantly hi…
In a two-microelectrode voltage clamp assay using Xenopus laevis oocytes, a petroleum ether extract prepared from a commercial sample of the traditional Chinese herbal drug labelled as " Chaihu" (Bupleurum chinense DC. roots) enhanced the I(GABA) by 156 % ± 22 % when tested at 100 µg/mL. By means of HPLC-based activit…