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石油基导电水凝胶具有较高的柔韧性、可调的力学性能和优异的电化学性能,在柔性电子设备等领域具有广阔的应用前景,但其较差的生物降解性给生态环境带来了巨大危害。纤维素具有可再生、无毒、可降解等优势,是制备离子导电水凝胶的理想材料。然而,无机导电离子的引入会破坏纤维素分子间的氢键网络结构,导致纤维素水凝胶的力学性能出现严重衰减。因此,开发兼具高机械强度和离子导电性能的纤维素水凝胶仍然面临挑战。
分别从基体和铝酸盐两方面优化了钡钨阴极。在基体方面,首先采用窄粒度钨粉结合放电等离子体烧结获得了孔径分布窄的基体;再利用射频等离子体球化技术制备了球形钨粉,采用球形钨粉制备了多孔基体,获得了孔通道光滑、内孔连通性好、孔径分布更加窄的基体。与窄粒度钨粉基体相比,球形钨粉制备的阴极,空间电荷限制区的斜率由1.25增加至1.37,发射均匀性得到提高,拐点电流密度由6.6A·cm–2增至6.96A·cm–...
为了能够更有效地调节和产生表面等离子体激元(Surface Plasmon Polaritons,SPPs)的激射,设计了一种光栅耦合的可集成SPPs激射装置,利用电子束激发和光栅耦合方式实现了SPPs在无源金属层中的传播和激射。分析了该装置SPPs传播的波矢特性,通过某一条件下激射条件和光照波长的分析得出了结构的一般特性。结果表明:基于光栅耦合结构的装置产生的SPPs激射具有显著的强局域特性,通...
We investigated the magnetotransport of InAs nanowires grown by selective area metal-organic vapor phase epitaxy. In the temperature range between 0.5 and 30 K reproducible fluctuations in the conduc...
We consider diffusion limited aggregation of particles of two different kinds. It is assumed that a particle of one kind may adhere only to another particle of the same kind. The particles aggregate o...
Bulk and shear viscosities of deconfined gluonic matter are investigated within an effective kinetic theory by describing the strongly interacting medium phenomenologically in terms of quasiparticle e...
We use the macroscopic quantum electrodynamics approach suitable for absorbing and dispersing media to study the properties and role of collective surface excitations — excitons and plasmons — in sing...
The nonlinear propagation of electromagnetic (EM) electron-cyclotron waves (whistlers) along an external magnetic field, and their modulation by electrostatic small but finite amplitude ionacoustic d...
We study spin squeezing, negative correlations, and concurrence in the quantum kicked top model. We prove that the spin squeezing and negative correlations are equivalent for spin systems with only sy...
By identifying non-local effects in systems of identical Bosonic qubits through correlations of their commuting observables, we show that entanglement is not necessary to violate certain squeezing ine...
We present the dynamical properties of liquid Ag at different temperatures, using the Mishin and Doyoma-Kagure version of the Embedded Atom Model (EAM) potentials. They have been evaluated within the ...

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