Structural and electrical properties of reactive magnetron sputtered yttrium-doped HfO
2
films
Zhang Yu
1
, Xu Jun
1, †
, Zhou Da-Yu
2
, Wang Hang-Hang
1
, Lu Wen-Qi
1
, Choi Chi-Kyu
3
(color online) XPS measured content of Y and Hf versus Y target power in the films.