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The hybrid structures of a strong spin-orbit coupling (SOC) metal such as Pt and a magnetic insulator such as yttrium iron garnet (YIG) exhibit a variety of interesting spin current related phenomenon such as spin pumping, spin Seebeck effect, and spin Hall magnetoresistance (SMR) [1–2].
Z-type hexaferrite Sr3Co2Fe24O41 (SCFO) has been reported to exhibit the room temperature mag-netoelectric effect with a very high magnetoelectric susceptibility compared with other reported single phase materials [1-3]. The reported studies on the SCFO are focused on its magnetoelectric coupling and high frequency magnetic properties. A systematical understanding on the high frequency electrical...
In this work, an analytic study of DC characteristics based on the drift-diffusion approach has been performed for the InP/GaAsSb DHBTs. The current transport of InP/GaAsSb/InP DHBTs has been investigated focusing the device temperature dependence. Our simulation results show that, at room temperature, the DC characteristics of the InP/GaAsSb/InP DHBTs is similar to the conventional InP-based HBT...
Temperature-dependent electroluminescence efficiency of blue light-emitting diodes with different well widths is investigated. The efficiency droop phenomenon for LEDs at low temperature is dependent with electron overflow and non-uniform hole distribution within MQW region.
Recent studies on 1.3 mum InGaAs/GaAs QD-SOAs show they are able to deliver >18 dB gain across a 20 to 70degC temperature range. Successful system demonstrations over temperature are reported at channel rates of 10 Gb/s.
In this paper, we report a strong correlation between the stacking fault (SF) density and the critical current density of YBa2Cu3O7???? (YBCO) thin films in applied field (Jcin-field). We found that the Jcin-field increases as the deposition temperature increases (775??C ?? 825??C) for the samples grown on both SrTiO3 (STO) and LaAlO3 substrates. An interesting linear relation is observed between...
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