Izakhiwo ze-elekthronikhi zamafilimu amancane zihluke kakhulu kulezo zezinto ezinkulu, futhi eminye imiphumela ebonakalayo eboniswa kumafilimu amancane kunzima ukuyithola ezintweni ezinkulu.
Kuma-bulk metals, ukumelana kwehla ngenxa yokwehla kwezinga lokushisa. Kuma-high emazingeni okushisa, ukumelana kwehla kanye kuphela uma kushisa, kuyilapho kuma-low emazingeni okushisa, ukumelana kwehla kahlanu uma kushisa. Kodwa-ke, kuma-thin films, kuhluke ngokuphelele. Ngakolunye uhlangothi, ukumelana kwamafilimu amancane kuphakeme kunokwe-bulk metals, kanti ngakolunye uhlangothi, ukumelana kwamafilimu amancane kwehla ngokushesha kunokwe-bulk metals ngemva kokwehla kwezinga lokushisa. Lokhu kungenxa yokuthi uma kuqhathaniswa nama-thin films, umnikelo wokusabalala kobuso ekumelaneni mkhulu.
Okunye ukubonakaliswa kokuhamba kwefilimu encane okungavamile yithonya lensimu yamagnetic ekuphikisweni kwefilimu encane. Ukumelana kwefilimu encane ngaphansi kwesenzo sensimu yamagnetic yangaphandle kukhulu kunokwezinto ezifana nebhulokhi. Isizathu ukuthi lapho ifilimu iqhubekela phambili ngendlela ejikelezayo, inqobo nje uma irediyasi yomugqa wayo ojikelezayo inkulu kunobukhulu befilimu, ama-electron azosakazeka ebusweni ngesikhathi senqubo yokunyakaza, okuholela ekumelaneni okwengeziwe, okuholela ekumelaneni kwefilimu kube kukhulu kunokwezinto ezifana nebhulokhi. Ngesikhathi esifanayo, kuzoba kukhulu kunokumelana kwefilimu ngaphandle kwesenzo sensimu yamagnetic. Lokhu kuncika kokumelana kwefilimu ensimini yamagnetic kubizwa ngokuthi umphumela weMagnetoresistance, ovame ukusetshenziselwa ukukala amandla ensimu yamagnetic. Isibonelo, amaseli elanga e-a-Si, CulnSe2, kanye ne-CaSe thin film, kanye ne-Al203 CeO, CuS, CoO2, CO3O4, CuO, MgF2, SiO, TiO2, ZnS, ZrO, njll.
Isikhathi sokuthunyelwe: Agasti-11-2023