...of MnO2 films grown on single crystal alpha-Al2O3 substrates
The ordered domains are needle shaped with widths of 2-10 nm. The unit cell of the ordered structure was found to be orthorhombic with cell dimensions a=2.75, b=4.76, c=4.302A angstrom and space group Pmnn (No. 58).Foss SUniv OsloNilsen O...