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A band‐stop filter with dual resonators of yttrium iron garnet (YIG) and lead zirconate titanate (PZT) operating in the S‐ and C‐bands was designed and characterized. Such multiferroic composite resonators allow for mechanical strain mediated control of the ferromagnetic resonance frequency of YIG via a DC voltage applied to PZT. The electric field E‐tuning of the central frequency of the individual...
Left hand materials are composite medium which have simultaneously negative permittivity and permeability. The tradition methods to artificial fabricate left hand materials are static, so the experiment devices to verify them are relatively simple. A novel approach is presented to synthesize left hand materials with negative refractive index in microwave band by incorporating periodic metallic wire...
A back-gate silicon on insulator (SOI) high voltage device with a compound layer (BG CL SOI-LDMOS) is proposed to enhance breakdown voltage of SOI device. Introducing of compound layer(CL) can effectively suppress gain of surface electric field at source side, and increase electric field in the buried oxide layer. Thus breakdown voltage of device is increased remarkably with invariable specific on-resistance...
The tunneling effect in a left handed metamaterial (LHM) consisting of ferrites and wire array is presented. The ferrites based LHM exhibits a near perfect transmission with very low losses and reflections due to the epsiv = - epsiv0 and mu = - mu0. Based on the theoretical results of effective permeability and permittivity of the LHM, the parameter conditions of perfect tunneling effect through a...
A left handed metamaterial (LHM) with epsiv = - epsiv0 and mu = - mu0 is proposed and its properties are theoretically and numerically analyzed. The LHM is composed of ferrites to provide a negative permeability and a wire array to provide a negative permittivity. The parameter conditions of satisfying aforementioned properties are investigated. The analyzed results show that the LHM has a nearly...
Left hand materials are composite medium which have simultaneously negative permittivity and permeability. The tradition methods to artificial fabricate left hand materials are static, so the experiment devices to verify them are relatively simple. A novel approach is presented to synthesize left hand materials with negative refractive index in microwave band by incorporating periodic metallic wire...
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