Zoo tagnrho zaj duab xis thickness rau lub tshuab nqus tsev nyiaj plating
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Zoo tagnrho zaj duab xis thickness rau lub tshuab nqus tsev nyiaj plating
Thickness hais txog qhov kev ncua deb ntawm ob lub dav hlau sib luag zoo kawg nkaus, thiab lub tswv yim no yog lub tswv yim geometrical. Qhov zoo tshaj plaws zaj duab xis thickness hais txog qhov kev ncua deb ntawm lub substrate nto thiab zaj duab xis nto. Hauv kev ntsuas peb-dimensional ntawm zaj duab xis topography, txheeb ze rau qhov tuab ntawm zaj duab xis, lwm qhov kev ntsuas ob-dimensional tuaj yeem hais tias tsis muaj qhov kawg. Vim tias qhov tseeb saum npoo yog tsis sib luag thiab tsis tu ncua, thiab tej zaum yuav muaj qhov pores, impurities, lattice defects thiab deg adsorption molecules nyob rau hauv zaj duab xis, tag nrho cov thickness ntawm cov zaj duab xis yuav tsum nruj me ntsis ntsuas thiab raug ntsuas. nyuaj heev. Lub ntsiab lus me ntsis ntawm cov zaj duab xis thickness yuav tsum tau txiav txim raws li txoj kev ntawm qhov chaw nyob ntsuas thiab lub hom phiaj ntawm qhov chaw nyob ntsuas. Yog li ntawd, tib zaj duab xis, siv txoj kev ntsuas sib txawv yuav tau txais cov txiaj ntsig sib txawv, uas yog, qhov sib txawv thicknesses.
Nqus nyiaj plating lub tshuab nqus tsev loj spectrometer
Nqus pawg spectrometers yog dav siv nyob rau hauv lub tshuab nqus tsev vacuum evaporation, nqus sputtering thiab lwm yam txheej txheem, thiab electron kev sib tsoo qhov chaw, raws li ib tug ion qhov chaw feem ntau siv nyob rau hauv lub tshuab nqus tsev loj spectrometers, yuav muab faib mus rau hauv ib txwm electron kev sib tsoo qhov chaw, electron oscillation kev sib tsoo qhov chaw, pulsed Electron collision qhov chaw. , ion cia hom hluav taws xob sib tsoo qhov chaw thiab tawm hom hluav taws xob sib tsoo, thiab lwm yam.
Nqus nyiaj plating nruab nrab nto
Surface nyob rau hauv nyias zaj duab xis roj ntsuas tsis yog ib tug geometric tswvyim, tab sis ib tug faus lub tswvyim, uas yog hais txog cov sau ntawm nto molecules (atoms). Qhov nruab nrab saum npoo txhais tau hais tias qhov algebraic sum ntawm qhov kev ncua deb ntawm tag nrho cov ntsiab lus ntawm cov atoms nto rau saum npoo no yog sib npaug rau xoom, thiab qhov nruab nrab saum npoo yog ib hom kev xav.
Peb feem ntau hu rau qhov nruab nrab ntawm qhov sib sau ntawm cov molecules saum npoo ntawm ib sab ntawm lub substrate raws li lub substrate nto; qhov nruab nrab ntawm qhov chaw ntawm qhov chaw ntawm sab ntawm zaj duab xis uas tsis nyob rau hauv kev sib cuag nrog lub substrate yog hu ua cov duab saum npoo ntawm zaj duab xis, thiab cov zaj duab xis ntsuas yog hu ua cov duab saum npoo ntawm zaj duab xis. Cov atoms yog rearranged kom qhov ceev yog raws nraim tib yam li cov khoom ntawm tej khoom thiab tusyees faib rau saum npoo ntawm substrate. Lub sijhawm no, qhov nruab nrab saum npoo yog hu ua qhov sib npaug ntawm cov yeeb yaj kiab loj; Raws li lub cev lub cev ntawm cov zaj duab xis ntsuas, nws yog sib npaug rau ib tug ntev ntawm ib tug nyias zaj duab xis ntawm ib tug tej yam khoom uas muaj ib tug dav dav raws li qhov ntsuas nyias zaj duab xis, qhov nruab nrab saum npoo ntawm lub sij hawm no yog hu ua qhov sib npaug ntawm cov khoom ntawm lub cev. ntawm nyias zaj duab xis.
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