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The synthesis of stable open‐shell singlet diradicaloids is critical for their practical material application. So far, most reported examples are based on carbon‐centered radicals, which are intrinsically reactive, and there are very few examples of stable nitrogen‐centered diradicaloids. In this full paper, a series of soluble and stable bis(imino)rylenes up to octarylene were synthesized on the...
Spectral crosstalk suppressing design of simultaneous two-color HgCdTe medium-wave/long-wave (MW/LW) infrared n-p-p-n detector is carried out, using commercial Technology Computer Aided Design (TCAD) software Apsys. A compositional barrier between two absorption layers is introduced and designed to suppress spectral crosstalk. MW-to-LW crosstalk can be notably suppressed to 2.1% while LW-to-MW crosstalk...
Photon trapping structure in HgCdTe mid-wavelength infrared detectors is investigated in this study by exploiting the finite-difference time-domain (FDTD) technique. The quantum efficiency and the current-voltage characteristics have been numerically simulated, using commercial Technology Computer Aided Design (TCAD) software Apsys. Simulation results indicate that in contrast to the regular mesa...
A normalized RC-FDTD algorithm is applied to study both the bistatic and monostatic radar scattering of perfectly conducting sphere covered with inhomogeneous unmagnetized plasma. The effects of electron density distributions and plasma collision frequencies on the radar cross section (RCS) are discussed respectively. The simulations confirm that plasma cladding can be successfully used to reduce...
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