Abstract
SrTiO 3 / La 0.9 Sr 0.1 MnO 3 (STO/LSMO) multilayer was fabricated on n-Si (100) substrate by using a computer-controlled laser molecular-beam epitaxy technique. A rectifying behavior was observed in the multilayer. Meanwhile, the capancitance-voltage (C-V) characteristics were investigated, which reveals a hysteresis memory effect in forward and backward bias regions. A detail study suggests that the hysteresis behaviors originate from the cooperation and competition between the interfacial polarization and trapping/detrapping mechanisms. Our results are expected to meet the high desire of the optimization and device design of random access memory.
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