English (United Kingdom)

https://curated-unify.zendy.io/wp-json/zendy-region/v1/featured_content/oa?rat=en

https://curated-unify.zendy.io/wp-json/zendy-region/v1/highlighted_journal/

Global: Zendy Plus annual

Presents the access of premium content as premium feature

Premium Content

Presents the keyphrase highlighting as premium feature

Keyphrase Highlighting

Presents the summarisation as premium feature

Summarisation

Insights

Presents the pdf analysis as premium feature

PDF Analysis

Presents the zaia usage as premium feature

ZAIA

Global: Zendy Tools annual

Global: Zendy Free Plan

Global: Zendy Tools monthly

Global: Zendy Plus monthly

Thin films of BaFe 1- x  M  x  O 3  (M = Hf, Zr, and Ce; 0.0 ≤  x  ≤ 0.75) were fabricated using pulsed laser deposition and their magnetic properties were investigated. X-ray diffraction analysis indicated that oxygen-deficient BaFeO  x   ( x  &amp;lt; 3.0) with a monoclinic structure was formed when the deposition was conducted using a non-substituted target ( x  = 0.0). The as-grown BaFeO  x   films were converted into fully oxidized BaFeO 3  with a perovskite structure by low-temperature oxidation in an ozone atmosphere. In contrast, the as-deposited films of Hf, Zr, and Ce-substituted films exhibited a perovskite structure, and their crystallinity did not change after low-temperature ozone annealing. The magnetic transition temperature  T  c  of the BaFeO 3  film was 115 K, whereas the substituted BaFeO 3  films showed ferromagnetic behavior even at 300 K. These results can be attributed to the weakening of the antiferromagnetic super-exchange coupling among Fe ions owing to the lattice expansion in the substituted BaFeO 3 . In addition, the magnetization of the films was found to increase with the decreasing ionic ratio of Fe 4+ /Fe 3+ , suggesting that the inherent carrier-induced ferromagnetic interaction is dominant in the films.

Control of Magnetic Properties of Barium Ferrite Thin Films With Unusual Valence Fe