Siffar ƙwayar ƙwayar ƙwayar cuta ta atomic cathode ita ce haɗa wani ɗan ƙaramin ƙarfe na bakin ciki a saman saman ƙarfe ɗaya, wanda aka caje shi zuwa ƙarfen tushe. Wannan yana samar da nau'i biyu tare da tabbataccen caji a waje, kuma filin lantarki na wannan Layer biyu yana iya hanzarta motsin electrons a cikin ginin tushe zuwa saman, ta haka ne ya rage aikin tserewa na electron na ginin tushe da kuma ƙara ƙarfinsa na electron. ta sau da yawa. Ana kiran wannan saman farfajiyar kunnawa. Babban kayan da ake amfani da su azaman ƙarfe na matrix sunetungsten, molybdenum, kumanickel.
The samuwar hanyar da kunna surface ne kullum foda metallurgy. Ƙara wani adadin oxide na wani ƙarfe tare da ƙananan electronegativity fiye da karfen tushe zuwa karfen tushe, kuma sanya shi ya zama cathode ta hanyar wani tsari na sarrafawa. Lokacin da wannan cathode ya yi zafi a ƙarƙashin vacuum da zafin jiki mai yawa, ƙarfe oxide yana raguwa ta hanyar tushe don zama karfe. A lokaci guda, atom ɗin ƙarfe da aka kunna akan saman waɗanda aka rage cikin sauri suna ƙafe a yanayin zafi mai yawa, yayin da atom ɗin ƙarfe da aka kunna a ciki suna ci gaba da yaduwa zuwa saman ta iyakokin hatsi na ƙarfen tushe don kari.
Lokacin aikawa: Oktoba-12-2023