Neodymium (III) Afẹfẹtabi neodymium sesquioxide jẹ eroja kemikali ti o jẹ ti neodymium ati atẹgun pẹlu agbekalẹ Nd2O3. O jẹ tiotuka ninu acid ati insoluble ninu omi. O fọọmu gan ina grẹyish-bulu hexagonal kirisita.The toje-aiye adalu didymium, tẹlẹ gbagbọ lati wa ni ohun ano, partially oriširiši neodymium(III) oxide.
Neodymium Oxidejẹ orisun neodymium iduroṣinṣin gbona ti o ga julọ ti o dara fun gilasi, opiki ati awọn ohun elo seramiki. Awọn ohun elo akọkọ pẹlu awọn lasers, awọ gilasi ati tinting, ati dielectrics.Neodymium Oxide tun wa ni awọn pellets, awọn ege, awọn ibi-afẹde sputtering, awọn tabulẹti, ati nanopowder.