A Zr-alloyed Al-oxide barrier was used to study the composition dependence of the microstructure of Al-Zr alloy films and the tunneling magnetoresistance (TMR) behavior of magnetic tunnel junctions (MTJ). The microstructure of the Al-Zr alloy before oxidation was found to have a dominant effect on the TMR characteristics and MTJ stability. A single amorphous Al-Zr alloy has superior surface uniformity.
ASJC Scopus subject areas
- Physics and Astronomy (miscellaneous)