Zosowa zapadziko lapansi molybdenum cathode emission

Makhalidwe a atomiki nembanemba cathode ndi adsorb wosanjikiza woonda wa chitsulo china pamwamba pa chitsulo chimodzi, amene bwino mlandu ku maziko zitsulo.Izi zimapanga wosanjikiza wapawiri ndi milandu zabwino kunja, ndi munda magetsi wa wosanjikiza awiriwa akhoza imathandizira kayendedwe ka ma elekitironi mkati zitsulo m'munsi kumtunda, potero kuchepetsa elekitironi kuthawa ntchito ya m'munsi zitsulo ndi kuonjezera mphamvu ma elekitironi umuna. nthawi zambiri.Pamwambapa amatchedwa activation surface.Zida zazikulu zomwe zimagwiritsidwa ntchito ngati zitsulo za matrix nditungsten, molybdenum,ndinickel.

Mapangidwe njira ya adamulowetsa pamwamba zambiri ufa zitsulo.Onjezani kuchuluka kwa okusayidi kwachitsulo china chokhala ndi electronegativity yochepa kusiyana ndi zitsulo zoyambira pansi pazitsulo, ndikuzipanga kukhala cathode kupyolera mu ndondomeko ina yokonza.Pamene cathode iyi imatenthedwa pansi pa vacuum ndi kutentha kwakukulu, oxide yachitsulo imachepetsedwa ndi zitsulo zapansi kuti zikhale zitsulo.Pa nthawi yomweyo, adamulowetsa zitsulo maatomu padziko kuti yafupika mofulumira amasanduka nthunzi pa kutentha, pamene adamulowetsa zitsulo maatomu mkati mosalekeza diffuse kumtunda kudzera malire njere m'munsi zitsulo kuwonjezera.


Nthawi yotumiza: Oct-12-2023