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Root resorption is an undesirable sequela of orthodontic treatment. It is necessary to establish sensitive methods for identification of teeth at risk for resorption. The x-ray is the traditional method to diagnose root resorption, which is often at a late stage. Some researchers used enzyme-linked immunosorbent immunoassay (ELISA) combined with spectrophotometry to study some biochemical markers...
ZnO or AlxGa1-xN charge trap device showed large memory window (>7V) with fast P/E speed (plusmn17 V, 100 (_is) and excellent retention (10-year memory window of 6 V with small charge loss rate; ~l/5 of that of Si3N4). GaN and ZnO trap devices also showed the photo-sensitive programming due to their optoelectronics properties, providing the possibility of developing new type of high performance...
In this work, we propose a MHSOS (metal gate/high-k/SRO(silicon-rich oxide)/SiO2/Si) structure showing large memory window (> 4V) with fast P/E speed (plusmn18 V, 200 mus). The erase speed is featuring faster than that of Si3 N4 and has a retention time of 10 years for 10 % charge loss. These excellent properties were obtained through the modification of the transition layer between Si-NC and SiO...
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