Memristor Comprising Film with Comb-Like Structure of Nanocolumns of Metal Oxide Embedded in a Metal Oxide Matrix

摘要

Films having a comb-like structure of nanocolumns of Sm2O3 embedded in a SrTiO3 formed spontaneously on a substrate surface by pulsed laser deposition. In an embodiment, the nanocolumns had a width of about 20 nm with spaces between nanocolumns of about 10 nm. The films exhibited memristive behavior, and were extremely uniform and tunable. Oxygen deficiencies were located at vertical interfaces between the nanocolumns and the matrix. The substrates may be single-layered or multilayered.

主权项

1. An article comprising:
a substrate having a surface; a film on the surface of said substrate, the film comprising a plurality of aligned nanocolumns of Sm2O3 embedded in a matrix of SrTiO3, the film further characterized as comprising a vertical interface separating the nanocolumns from the matrix, said interface further characterized as comprising an oxygen deficient channel suitable for providing said article with memristive properties.