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中国林科院林化所在纤维素超分子自组装领域取得重要进展(图)
无机导电离子 纤维素超分子 导电水凝胶
2022/10/30
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。
钡钨阴极优化与热电子发射性能
钡钨阴极 放电等离子体烧结 球形钨粉 热发射特性
2022/3/11
光栅耦合的可集成表面等离子体激射装置
等离子体物理学 表面等离子体激元 光栅耦合 强局域化
2014/3/21
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...
Spin-orbit coupling and phase-coherence in InAs nanowires
Spin-orbit coupling phase-coherence InAs nanowires
2010/11/18
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...
Analysis of patterns formed by two-component diffusion limited aggregation
nalysis of patterns two-component diffusion limited aggreg
2010/11/18
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 the gluon plasma in a quasiparticle description
gluon plasma bulk viscosity shear viscosity quasiparticle model effective kinetic theory
2011/1/10
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...
Exciton-Plasmon Interactions in Individual Carbon Nanotubes
Carbon nanotubes Near-field effects Excitons Plasmons
2010/11/18
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...
Localized whistlers in magnetized spin quantum plasmas
Localized whistlers magnetized spin quantum plasmas
2010/10/27
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...
Spin Squeezing, Negative Correlations, and Concurrence in the Quantum Kicked Top Model
Spin Squeezing Negative Correlations Concurrence Quantum Kicked Top Model
2010/10/29
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...
Squeezing Inequalities and Entanglement for Identical Particles
Squeezing Inequalities Entanglement Identical Particles
2010/10/18
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...
Self-Diffusion Coefficients in Liquid Ag Using the Embedded Atom Model Based Effective Pair Potentials
Dynamic Properties Self-diffusion
2010/4/9
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 ...