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3 momo paura nitride

He nui te irahiko o te hauota, ā, ka taea e ia te hanga i tētahi raupapa o ngā nitride me ngā huānga maha he iti ake te irahiko, tae atu ki ngā momo nitride ionic e toru, ngā nitride covalent me ngā nitride konganuku. Nitride Pōroni

 

Ko ngā nitrides i hangaia e ngā konganuku kawakore me ngā huānga konganuku whenua kawakore nō ngā nitrides ionic, ā, ko ō rātou tioata he hononga ionic te nuinga, ā, ko ngā huānga hauota kei roto i te āhua o te N3-, e kiia ana hoki ko ngā nitrides rite ki te tote. He kaha ake ngā āhuatanga matū o ngā nitrides ionic, ā, ka ngāwari te waikura hei whakaputa i ngā hauwaiwai me te haukini e rite ana. I tēnei wā, e whakamahia ana te Li3N i roto i ngā nitrides ionic. He totoka whero pouri te Li3N, ā, nō te pūnaha tioata hexagonal. Ko tōna mātotoru he 1.27g/cm3 me te ira rewa he 813°C. He ngāwari ki te hanga, ā, he nui te kawe ionic. Ka taea te whakakotahi me te lithium totoka, te lithium wai rānei. Ko te noho tahi tētahi o ngā electrolytes lithium totoka e wātea ana i tēnei wā.

 

Ko ngā nitride i hangaia e ngā huānga rōpū IIIA~VIA he nitride covalent, ā, ko te nuinga o ō rātou tioata he hononga covalent. I roto i ēnei, ko ngā pūhui i hangaia e te hāora, ngā huānga rōpū VIIA me ngā huānga hauota me tika te kī he waikura hauota me he hauota halide. Ko ngā nitride covalent e whakamahia whānuitia ana ko ngā nitride o ngā huānga IIIA me IVA (pērā i te BN, AlN, GaN, InN, C3N4 me te Si3N4, me ētahi atu). He rite te hanganga ki te tetrahedron o te taimana, nō reira ka kiia hoki ko te akomanga nitride Taimana. He pakeke teitei, he teitei te ira rewa, ā, he pai te pumau matū. Ko te nuinga o ēnei he tinana taha, he haurua-ira rānei. He whānuitia te whakamahinga i roto i ngā taputapu tapahi, i ngā uku pāmahana-tiketike, i ngā taputapu hiko iti, me ngā rauemi kanapa.

 

Ko ngā nitride i hangaia e ngā huānga whakarewa whakawhiti, nō roto i ngā nitride whakarewa. Kei roto i ngā āputa whakarewa pūtoru, he ono-hāora rānei ngā ngota hauota, e kiia ana hoki ko ngā nitride whakakī. Kāore te tātai matū o tēnei momo nitride e whai i tētahi ōwehenga stoichiometric tino pakari, ā, ka rerekē pea tōna hanganga i roto i tētahi whānuitanga. Ko te nuinga o ngā nitride momo-whakarewa he hanganga momo-NaCl, ā, ko te tātai matū he momo-MN. I te nuinga o te wā, he rite ōna āhuatanga ki te whakarewa, pērā i te kanapa whakarewa, te kawe pai, te pakeke teitei, te ira rewa teitei, te ātete kino me te waikura, me ētahi atu, ā, he pai ngā tūmanakohanga tono ki ngā rauemi tapahi, ngā rauemi hiko me ngā rauemi whakaterenga.

Nitride Pōroni


Wā tuku: Whiringa-ā-rangi 19-2021