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By investigating the diffraction of plane waves by a semi-infinite solution for propagating surface plasmons in graphene, which can be excited graphene edge. The theoretical results are confirmed by numerical simulations. excite propagating surface plasmons in graphene where the graphene edge plays graphene layer, we present a rigorous by incident plane waves through the Our results reveal a convenient way to an important role. 相似文献
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Metal/semiconductor hybrids consisting of self-assembled CdS nanoparticles on Cd nanowires 下载免费PDF全文
We report on the synthesis and the characterisation of
metal/semiconductor hybrids consisting of self-assembled CdS
nanoparticles on Cd nanowires, which are grown by thermal
evaporation of the mixture of CdS and Cr. The growth of the hybrids
is attributed to the decomposition of CdS at high temperature and
the strain relieving that arises mainly from the lattice mismatch
between Cd and CdS. Temperature dependence of zero-field resistance
of single nanohybrid indicates that the as-produced Cd/CdS
nanohybrid undergoes a metal--semiconductor transition as a natural
consequence of hybrid from metallic Cd and semiconducting CdS. The
metal/semiconductor hybrid property provides a promising basis for
the development of novel nanoelectronic devices. 相似文献
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Coupling interaction between a single emitter and the propagating surface plasmon polaritons in a graphene microribbon waveguide 下载免费PDF全文
The coupling interaction between an individual optical emitter and the propagating surface plasmon polaritons in a graphene microribbon (GMR) waveguide is investigated by numerical calculations, where the emitter is situated above the GMR or in the same plane of the GMR, The results reveal a multimode coupling mechanism for the strong interaction between the emitter and the propagating plasmonic waves in graphene. When the emitter is situated in the same plane of the GMR, the decay rate from the emitter to the surface plasmon polaritons increases more than 10 times compared with that in the case with the emitter above the GMR. 相似文献
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Ordered YBa2Cu3Oy nanowires have been fabricated by filling YBa2Cu3Oy melting liquid into the pores of the anodized alumina templates. X-ray powder diffraction proves that YBa2Cu3Oy nanowires crystallized in the Y-123 structure. The temperature dependence of ac susceptibility indicates a superconducting transition at 91 K for the YBa2Cu3Oy nanowire array. 相似文献
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采用脉冲电子束沉积(PED)技术在Si(100)衬底上生长La_Sr_Cu_O薄膜,在750℃生长温度下获得具有有序纳米结构的表面形貌.采用聚集离子束(FIB)技术对获得的纳米结构进行表征,结果表明,这种有序的纳米结构是由于Si衬底和La_Sr_Cu_O薄膜之间的热膨胀系数和晶格的 失配引起的纳米裂纹.在这些纳米裂纹处,La_Sr_Cu_O成核生长获得独立的纳米线.通过控制 这种有序的纳米结构的生长,这种有序的纳米结构可以用来构造弱连接形成的器件.
关键词:
脉冲电子束沉积
La_Sr_Cu_O薄膜
纳米结构 相似文献