Isilinganiso sokushisa sokumelana nefilimu yensimbi siyahlukahluka ngobukhulu befilimu, amafilimu amancane ane-negative, amafilimu amakhulu ane-positive, kanti amafilimu amakhulu afana kodwa awafani nezinto zobuningi. Ngokuvamile, isilinganiso sokushisa sokumelana sokumelana siyashintsha kusuka ku-negative siye ku-positive njengoba ubukhulu befilimu bukhuphuka bufinyelela kumashumi ama-nanometer.
Ngaphezu kwalokho, izinga lokuhwamuka liphinde lithinte izinga lokushisa eliphikisayo lamafilimu ensimbi. Izinga eliphansi lokuhwamuka elilungiselelwe ungqimba lwefilimu likhululekile, ama-electron ngaphesheya kwesithiyo salo esingaba khona kanye nekhono lokukhiqiza ukuhanjiswa kwamandla libuthakathaka, kuhlanganiswe ne-oxidation kanye ne-adsorption, ngakho-ke inani lokumelana liphezulu, izinga lokushisa lokumelana lincane, noma ngisho nelibi, ngokwanda kwesilinganiso sokuhwamuka, izinga lokushisa lokumelana lokumelana koshintsho oluncane kusuka kokukhulu, kusuka kokubi kuya kokuhle. Lokhu kungenxa yezinga eliphansi lokuhwamuka kwefilimu elilungiselelwe ngenxa ye-oxidation yezakhiwo ze-semiconductor, izinga lokushisa lokumelana lamanani angemihle. Amafilimu alungiselelwe ngesilinganiso esiphakeme sokuhwamuka avame ukuba nezakhiwo zensimbi futhi anezinga lokushisa lokumelana elihle.
Njengoba isakhiwo sefilimu sishintsha ngokungenakulungiseka ngokushisa, ukumelana nokumelana nokushisa kwefilimu nakho kuyashintsha ngokushisa kwesendlalelo sokumboza ngesikhathi sokuhwamuka, futhi uma ifilimu incipha, kulapho ushintsho luba lukhulu khona. Lokhu kungacatshangwa njengomphumela wezinguquko zamakhemikhali ezibangelwa ukuhwamuka kabusha nokusabalalisa kabusha izinhlayiya zefilimu yesakhiwo sesiqhingi esiseduze noma seshubhu esingaphansi, kanye nokuhlakazeka kwe-lattice, ukuhlakazeka kokungcola, ukuhlakazeka kwamaphutha e-lattice, kanye nokushiswa kwe-oxidation.
–Lesi sihloko sikhishwe yi-ukukhiqizwa komshini wokumboza nge-vacuumr Guangdong Zhenhua
Isikhathi sokuthunyelwe: Jan-18-2024