Table 1: IR absorption bands of the ferrites.

Tetrahedral site (A-site) Octahedral site (B-site)         0.0 707 667 585 543 457 379 325 267 0.1 704 (w, sh) — 578 530 (w, sh) 450 375 330w 265 0.3 — — 584 — — 372 327w 267 0.5 — — 557 — — 374 310w 268 0.7 — — 553 — — 375 324w 265 0.9 — — 547 — — 376 327w 265 1 — — 546 — — 376 325w —

* the primary band, w: weak, and sh: shoulder.