A wafer-scale metal self-rolled-up membrane platform has been proposed for the design and fabrication of radio-frequency on-chip lumped passive components, which is demonstrated on a commercial 4-inch sapphire batch line. Compared to traditional methodology including planar or SiNx based processing technologies obtain most basic such as inductors capacitors chip, this enables more compact three-dimensional construction component device structure with higher electrical performance. For...

Investigation of BiFeO3 is being conducted intensively. However, preparing perfect samples with high resistance still a prerequisite for the clarification properties BiFeO3. Here we report electrical and magnetic phase transitions ceramic synthesized by rapid sintering processing. The dependence products on temperatures revealed that single-phased was at 880 °C using this technique. as-prepared sample shows resistivity 6.7 × 1010Ω cm an external electric field 100 kVcm−1. Vibrating...

Nanosized La0.7Sr0.3MnO3/Pr0.5Sr0.5MnO3 (LSMO1−xPSMOx) ceramic composites are prepared using solid-sate sintering. Their microstructural, electro- and magnetotransport properties characterized by means of various techniques. It is found that the antiferromagnetic/ferromagnetic coupling between PSMO/LSMO at low temperature weak ferromagnetic order PSMO high results in enhanced low-field magnetoresistance (LFMR) composites. With increasing up to 250 K observed LFMR decays more slowly than for...

Monte Carlo simulations of the magnetoelectric coupling between ferroelectric order and magnetic in ferroelectromagnets are performed based on Janssen model which electric subsystems coupled. The reveal that a weak ferromagnetic transition can be activated both by strong applying external electrical fields either ferroelectric-antiferromagnetic systems or antiferroelectric-antiferromagnetic (AFE-AFM) systems. In addition, is favored at low temperature AFE-AFM once enough. We present detail...

Rutile-phase TiO2 thin films have been epitaxially grown on GaAs(100) substrates at 700 °C under 5 Pa oxygen ambient pressure, and room temperature (30 °C) 5×10−4 base vacuum by KrF pulsed excimer laser deposition. The [110]-oriented were composed of two types domains perpendicular to each other in the plane. From atomic force microscopy analysis, epitaxial had a surface with roughness less than 7 nm root-mean-square.

The effect of channel width on the density structure confined fluid in nano-/micro-channels is examined by equilibrium molecular dynamics (EMD) simulation. It was found that oscillation occurs near wall both cases macroscale or nanoscale flow. There exists a threshold L , when H<L oscillates throughout channel. When H>L constant and about 5–6 diameter long, becomes uniform beyond this layer. A newly defined ch number may serve to be parameter compare similarity micro-/nano-scale...

Abstract Zinc oxide ceramics doped with 5–15at%-Li are sintered and completely c-oriented 5–15at%Li-doped ZnO thin films fabricated on fused silica using PLD technique. The dielectric ferroelectric properties of the Li-doped bulk samples investigated. A broad peak in spectrum is probed, indicating a transition. 7.5at% 10at%-Li show clean hysteresis. transmittance over wavelength range 300 to 1400 nra was measured. All spectra different dopant percentage produce same absorption edge, which...

The electron conductance and magnetoresistive effect in phase-separation-induced single-carrier magnetic polaron systems is studied by Monte-Carlo simulation. simulation reveals the co-occurrence of ferromagnetic transition insulating metallic as a function temperature. resistivity above Curie point can be explained small-polaron mechanism variable-range-hopping picture, while far below shows contribution two-magnon scattering. tunneling behavior confirmed nonlinear I–V behaviors as-induced...

A soft and tunable microwave bandpass Chebyshev microstrip end-coupled filter is demonstrated on a polydimethylsiloxane substrate based high electrically conductive composites made of silver nanoparticle-covered flakes, even with large strain. To achieve precise design, key parameters such as the impedance, S-parameters, transmission matrix are defined function This strain vector polar coordinate used to represent relationship between type performance filter. Then, most important or...

Abstract The polycrystalline ferroelectric films Bi3TiNbO9 (BTN) were deposited on Pt/Ti/SiO2/Si (001) substrates. capacitors Pt/BTN/Pt show good hysteresis loop with 2Pr = 4.0 μC/cm2 under an applied voltage 2.5 V. This capacitor remained about 90% of its initial remnant polarization after 1×1010 reversing cycles at 100 kV/cm and 1 MHz. These also excellent retention property.

InP-based antimony-free In_0.53Ga_0.47As/InAs/In_0.53Ga_0.47As strained triangular quantum well lasers have been demonstrated for the light sources with wavelength beyond 2 μm. Theoretical estimation shows that owns longer emission than rectangular same strain extent. The was formed experimentally by using gas source molecular beam epitaxy grown digital alloy, and growth temperature of wells optimized. 2.2 μm under continuous-wave operation at...

A separated absorption and multiplication avalanche photodiode for light detection to wavelengths as long 2.25~μm is reported. Photons were absorbed in a metamorphic In <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">0.75</sub> Ga xmlns:xlink="http://www.w3.org/1999/xlink">0.25</sub> As layer, while the photo-generated electrons injected into lattice-matched xmlns:xlink="http://www.w3.org/1999/xlink">0.52</sub> Al...

Abstract High quality La0.5Sr0.5CoO3 (LSCO) thin films have been prepared by pulsed laser deposition(PLD). The target was using citrate processing method. electrical resistivity versus temperature has measured. LSCO were grown epitaxially on LaAlO3(100) substrates, whereas the Si(100) or Si(111) show to be polycrystalline. of is slightly larger than that targets. PZT LSCO/LAO(100) substrates forming heterostructures and their ferroelectric hysterisis measured

A heterostructure composed of two NiFe films and a perovskite La0.7Ca0.3MnO3 film is prepared using pulsed-laser deposition magnetron sputtering. An enhanced effective low-field magnetoresistance (LFMR) observed in this because the thin concentrate magnetic induction lines onto small-area film. The dimension can be reduced to several micrometers by lithography technique, great potential for enhancing LFMR at room temperature predicted.

One of the functions microvilli in microvessel endothelial glycocalyx is molecular filtering. The microvillus behaves as a mechanosensory system which may sense fluid shear and drag forces. permeability small particles crucial for drug design delivery. Therefore better understanding flow field around important to simulate accurately particle penetration microvessel. Since dimension about ~10 nm , conventional Navier-Stokes equation not be good enough such microscale nanoscale structures....

DSC, resonance frequency and internal friction measurements have been performed on SrBi2Ta2O9 ceramics. Two anomalies around 328 565 °C were observed in the DSC curve of heating run, indicating that ferroelectric transition ceramics is first order a new structure may occur this ceramic material °C. “Softening” elastic modulus was below Curie temperature, undergo pre-transition prior to transition.

There are two conventional boundary treatment methods in molecular dynamics (MD) simulation for particle suspension or fiber cross flow. One is that the represented by evenly spaced atoms, other treated as one mass point. The calculations with have been compared, it found that, same properties, both could generate slip condition on surface, however point method result very large and discrepancy be high 2600%.

Abstract Spatial distribution of the cations in pulsed laser deposition Pb(Zr,Ti)O3 thin films under ambient oxygen and argon was characterized by using inductively-coupled plasma method. The results show that Zr Ti have similar spatial both ambient, while Pb two gases is very different. Pb/(Zr+Ti) ratio decreases with distance from target. observed here are interpreted identifying mechanism ablation evaporation interaction between beam

A modified design based on the van der Pauw disk to generate a very large geometric magnetoresistance owing Hall effect is proposed. The conventional pauw ( vdp ), in which concentric circular gold plate embedded homogeneous nonmagnetic indium antimonide (S. A. Solin et al., Science 289, 1530 (2000)). Because of special structures and high mobility InSb, -disk exhibits strong shows 100% under magnetic field 500 Oe at room temperature. In our design, half circle replaced with ellipse. Higher...