نتایج جستجو برای: high temperature superconductor
تعداد نتایج: 2388762 فیلتر نتایج به سال:
A high temperature superconductor (HTS) filter is designed and measured at 1.93 GHz, using microstrip half-wavelength spiral resonators. Resonant and coupling characteristics of miniaturized microstrip spiral resonators are investigated first. Then a 4-pole Chebyshev bandpass filter with a very narrow passband (4.1 MHz) is designed and realized using microstrip spiral resonators. The filter is ...
FeSe superconductors and their related systems have attracted much attention in the study of iron-based superconductors owing to their simple crystal structure and peculiar electronic and physical properties. The bulk FeSe superconductor has a superconducting transition temperature (Tc) of ~8 K and it can be dramatically enhanced to 37 K at high pressure. On the other hand, its cousin system, F...
XRD and Raman analyses were performed to probe the phase formation and the variation of the normal phonon frequencies of the high temperature superconductor GdBa2Cu3O7-δ upon Ce doping. It was found that in addition to the orthorhombic 123 phase, some nonsuperconducting peaks, which are mainly due to the BaCeO3 secondary phase, are also formed that suppress the superconducting transition tempe...
The analysis and new results of the resonance frequency and pattern fields of microstrip antennas array, with superconductor patch, for different very high critical temperatures, are presented. The linear superconducting rectangular microstrip antennas array use the new materials Sn5InBa4Ca2Cu10Oy at temperature of 212 K, conductivity of 1.88x10 S/m and Tl5Ba4Ca2Cu10Oy at temperature of 233 K w...
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