Before revision: Valleytronics (from valley and electronics) is an experimental area in semiconductors that exploits local extrema ("valleys") in the electronic band structure.
After revision: سهل عكار يرحب بكم يا عرصاتوأنا شعبة تجنيدي عمريت ولكوجنسيتي بلغارية -__-Valleytronics (from valley and electronics) is an experimental area in semiconductors that exploits local extrema ("valleys") in the electronic band structure.