Zazzabi da firikwensin matsa lamba don Cummins 3408627

Tasirin Piezoelectric

Lokacin da wasu dielectrics suka lalace ta hanyar yin amfani da karfi a wata hanya, ana haifar da caji akan wani wuri, kuma lokacin da aka cire ƙarfin waje, sai su koma yanayin da ba a caji. Ana kiran wannan sabon abu tabbatacce tasirin piezoelectric. Lokacin da aka yi amfani da filin lantarki a cikin shugabanci na polarization na dielectric, dielectric zai haifar da nakasawa na inji ko matsa lamba na inji a wata hanya. Lokacin da aka cire filin lantarki na waje, nakasawa ko damuwa za su ɓace, wanda ake kira inverse piezoelectric sakamako.

Piezoelectric kashi

Piezoelectric firikwensin firikwensin jiki ne kuma firikwensin samar da wuta. Abubuwan da aka fi amfani da su na piezoelectric su ne Shi Ying crystal (SiO2 _2) da kuma yumburan lantarki na roba.

Tsayin piezoelectric na yumburan piezoelectric ya ninka na Shi Ying crystal sau da yawa, kuma hankalinsa yana da yawa.

4) transducer photoelectric

1. photoelectric sakamako

Lokacin da haske ya haskaka abu, ana iya ɗaukar shi azaman zaren photons tare da makamashi e bam da abu. Idan makamashin photons yana da girma sosai, electrons a cikin abun da ke ciki za su kawar da matsalolin da ke cikin ciki kuma suna da tasirin lantarki daidai, wanda ake kira sakamako na photoelectric.

1) Karkashin aikin haske, al'amarin da electrons ke tserewa daga saman abu ana kiransa wani sakamako na photoelectric waje, kamar photoelectric tube da photomultiplier tube.

2) A karkashin aikin haske, al'amarin da cewa resistivity wani abu ya canza shi ake kira na ciki photoelectric sakamako, kamar photoresistor, photodiode, phototransistor da phototransistor.

3) A ƙarƙashin aikin haske, wani abu yana samar da ƙarfin lantarki a cikin wata hanya, wanda ake kira photovoltaic phenomenon, kamar photovoltaic cell (wani na'ura mai kula da matsayi na wurin haske na abin da ya faru a kan yanayin hotuna).

2 resistor mai daukar hoto

Lokacin da photoresistor ya haskaka ta hanyar haske, electrons suna yin ƙaura don samar da nau'i-nau'i na ramukan lantarki, wanda ke sa tsayayyar ƙarami. Mafi ƙarfin haske, ƙananan juriya. Hasken abin da ya faru ya ɓace, biyu-ramin electron ya murmure, kuma ƙimar juriya a hankali tana komawa zuwa ainihin ƙimarta.

3. Bututu mai ɗaukar hoto

Bututu masu ɗaukar hoto (photodiode, phototransistor, phototransistor, da sauransu) suna cikin na'urorin semiconductor.

4. Electroluminescence

Lamarin da ke faruwa ta hanyar ƙwaƙƙwaran kayan luminescent a ƙarƙashin motsin filin lantarki ana kiransa electroluminescence. Electroluminescence tsari ne na canza wutar lantarki kai tsaye zuwa makamashin haske. Diode-Emitting Diode (LED) na'urar lantarki ce ta semiconductor wanda aka yi da kayan musamman. Lokacin da mahaɗin PN ya kasance mai son kai, ana samun kuzarin da ya wuce gona da iri saboda sake haɗewar ramin lantarki, wanda ke fitowa ta hanyar photon kuma yana fitar da haske.