摘要: Abstract The essential aim of spin electronics, or spintronics, is to use the quantum mechanical particles carry signals and process information. Conventional electronics technology relies on charges electrons holes for this purpose. Signals consist voltage pulses, each which a bundle charged carriers. Furthermore, conventional digital classical in nature that bits are defined terms such discrete charge pulses. Here, ‘1’ bit may be represented by negative pulse whereas ‘0’ would absence pulse. Devices continue diminish size order achieve higher speeds. As shrinkage occurs, design parameters impacted way materials current pushed their limits. Moore’s Law states logic density, amount storable information per unit area, silicon-based integrated circuits doubles every 18 months.