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A physical mechanism is presented which can generate coherent and tunable terahertz (THz) radiation. Due to the dramatical lifting of SPPs energy, the dispersion can cross the light line, thus, the SPPs excited by an moving electron beam can be transformed into THz radiation. The radiation power density is enhanced nearly three orders, up to 105 W/cm2. The radiation frequency can be widely tuned by...
For the electronic industry, it is very important to fabricate high quality conductive circuits. At present, the most used photolithography technology involves many steps such as etching, electroplating, and etc, that it is time consuming and high cost. So it is necessary to development much low cost and easy operation processing techniques to resolve the problems. Among them, the screen printing...
Terahertz grapheme surface plasmon polaritons (GSPPs) radiation source excited by electron beam has been presented. Here we show the theoretical analysis and initial experimental results on this kind of terahertz source. The theoretical calculations of greatly enhancement due to GSPPs and wide tunability indicate that this mechanism has huge potential. THz TDS is utilized to obtain conductance of...
Flexible electronics has emerged as an independent field and matured over the past decades due to they can provide a lot of benefits as compared with traditional rigid printed circuit boards, such as better durability, lighter weight, higher space efficiency, and improved comfort. Graphene-based electronics provide new opportunities for flexible electronics because of their superior properties including...
This work describes an electrical conductive composite based on copper nanowires (CuNWs) and flexible polydimethylsiloxane (PDMS) substrate. The CuNWs with average diameter and length of ∼150 nm and ∼20 μm were fabricated by a simple hydrothermal method. There is a face centered cubic (fcc) crystal structure of the as-prepared CuNWs confirmed by X-ray diffraction (XRD) data. The CuNWs were well dispersed...
Elastic conductive composites have exciting applications in modern flexible electronic devices, such as wearable displays, sensors, actuators and stretchable solar cells. Here we present a simple, low-cost and eco-friendly method for preparation of printable and stretchable elastic conductive composites with high conductivity of 4.12 × 104 S/m. The elastic conductive composites were readily fabricated...
It is relatively rare for us to research Embedded Thin-Film Resistor (ETFR) Materials in domestic. This paper describes the development history and present situation of the ETFR, the whole process technology is told, the urgency of domestic products is revealed, the thermal stability and microscopic characteristics of the Ni-Cr (80/20 wt.%) ETFR material that we have researched are introduced, the...
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