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I.c.v. injection of l-ornithine has been shown to have sedative and hypnotic effects on neonatal chicks exposed to acute stressful conditions. To clarify the mechanism, we conducted three experiments under strengthened stressful conditions with corticotropin-releasing factor (CRF). In Experiment 1, the effect of i.c.v. injection of CRF, l-ornithine (0.5 μmol) or CRF with l-ornithine on the stressful...
Strain-engineering using the inverse magnetostrictive effect has been performed to improve the performance of spin transfer torque magnetoresistance random access memory (STT-MRAM). The thermal stability factor E/kBT has been enhanced by 40% without increasing a switching current by controlling the process-induced stress in a free layer in MTJ (magnetic tunnel junctions) with mechanically engineered...
We examined the breakdown characteristics of a 1-nm-thick MgO barrier by measuring the time dependent dielectric breakdown (TDDB) and conducting atomic force microscopy (C-AFM) observation. We found that two different local conduction modes, the percolation path and Fowler-Nordheim (F-N) tunneling, contribute to dielectric breakdown. Furthermore, the operating voltage of magnetic tunnel junctions...
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