Ferrite bụ oxide ígwè nke ígwè ferrous alloy. N'ihe gbasara ọkụ eletrik, ferrite nwere ike iguzogide ihe karịrị ihe mejupụtara ígwè elemental alloy, ha nwekwara ihe onwunwe nke dielectric. Ike magnetik kwa otu olu nke ferrite dị ala Mgbe a na-anakọta ugboro ugboro dị elu, ike magnetik kwa otu olu nke ferrite dị ala. (Bs) dịkwa obere ike (naanị 1/3 ~ 1/5 nke ígwè dị ọcha), nke na-egbochi oke nhọrọ ma na-egbochi oke mkpa dị iche iche, a pụkwara iji ya mee ihe n'ọtụtụ ebe na ngwa ike siri ike nkịtị n'ọhịa dị iche iche.
A na-esi n'ígwè iron oxides na ihe ndị ọzọ emepụta Ferrite. N'ozuzu, enwere ike kewaa ya ụzọ atọ: ferrite na-adịgide adịgide, ferrite dị nro na ferrite gyromagnetic.
A na-akpọkwa magnet ferrite na-adịgide adịgide, nke bụ obere magnet ojii anyị na-ahụkarị. Isi ihe ndị dị na ya bụ iron oxide, barium carbonate ma ọ bụ strontium carbonate. Mgbe magnetization gasịrị, ike nke magnet fọdụrụ dị elu nke ukwuu, a pụkwara idobe magnetic fọdụrụ ruo ogologo oge. A na-ejikarị ya eme ihe dị ka ihe magnet na-adịgide adịgide. Ihe atụ: magnet okwu.
A na-eji ferric oxide na otu ma ọ bụ ọtụtụ oxides metal ndị ọzọ akwadebe ma na-eme ka ferrite dị nro (dịka ọmụmaatụ: nickel oxide, zinc oxide, manganese oxide, magnesium oxide, barium oxide, strontium oxide, wdg) akwadebe ma na-eme ka ọ dị nro. A na-akpọ ya magnetic dị nro n'ihi na mgbe magnetizing field na-apụ n'anya, ọ dịghị ihe fọdụrụ ma ọ bụ na ọ dịghị magnetic field. A na-ejikarị ya eme ihe dị ka choke coil, ma ọ bụ isi nke transformer ugboro ole na ole. Nke a dị nnọọ iche na ferrite na-adịgide adịgide.
Gyromagnetic ferrite na-ezo aka na ihe ferrite nwere ihe onwunwe gyromagnetic. Gyromagnetism nke ihe magnetik na-ezo aka na ihe na-eme ka mbara polarization nke ebili mmiri electromagnetic nke nwere polarized gbasaa n'otu ntụziaka n'ime ihe ahụ n'okpuru ọrụ nke ubi magnet DC abụọ na-adabere na ibe ha na ubi magnetik electromagnetic ebili mmiri. A na-eji ferrite Gyromagnetic eme ihe nke ukwuu n'ọhịa nkwukọrịta microwave. Dịka ụdị kristal si dị, enwere ike kewaa ferrite gyromagnetic n'ụdị spinel, ụdị garnet na ụdị magnetoplumbite (ụdị hexagonal) ferrite.
A na-eji ihe magnetik eme ihe nke ukwuu, a pụkwara iji ya mee ihe na electro-acoustic, telecommunications, electric mita, moto, yana ihe nchekwa, ihe ndị dị na microwave, wdg. Enwere ike iji ya dekọọ teepu ozi asụsụ, egwu, na onyonyo, ngwaọrụ nchekwa magnetik maka kọmputa, na kaadị magnetik maka akwụkwọ ikike ịbanye ndị njem na ịkwụ ụgwọ ụgbọ ala. Ihe ndị a na-elekwasị anya na ihe magnetik ejiri na teepu magnetik na ụkpụrụ nke ime ihe.
Oge ozi: Eprel-11-2022
