Microstructure ntawm lub tshuab nqus tsev nyiaj-plated zaj duab xis
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Microstructure ntawm lub tshuab nqus tsev nyiaj-plated zaj duab xis
Cov khoom siv kho qhov muag ntawm cov yeeb yaj kiab nyias, xws li qhov ntsuas qhov cuam tshuam, nqus thiab laser puas tsuaj, feem ntau yog nyob ntawm microstructure ntawm txheej zaj duab xis. Cov khoom siv zaj duab xis, cov roj seem seem, thiab qhov kub ntawm lub substrate tuaj yeem cuam tshuam rau microstructure ntawm zaj duab xis. Yog hais tias cov evaporatively deposited atoms tsis tshua muaj kev txav mus los ntawm lub substrate nto, zaj duab xis yuav muaj micropores. Thaum cov yeeb yaj kiab raug rau huab cua noo, cov pores no maj mam puv nrog dej vapor.
Packing density yog txhais raws li qhov piv ntawm qhov ntim ntawm cov khoom ntawm cov yeeb yaj kiab rau tag nrho cov ntim ntawm cov yeeb yaj kiab, suav nrog cov voids thiab pores. Rau cov yeeb yaj kiab kho qhov muag, qhov ntim ntim feem ntau yog {{0}}.75 txog 1.0, feem ntau yog 0.85 rau 0.95, thiab tsis tshua muaj txog 1.0 . Packing densities tsawg dua 1 ua rau qhov refractive index ntawm cov khoom evaporated qis dua li ntawm nws cov khoom. Thaum lub sij hawm deposition, lub thickness ntawm txhua txheej yog saib xyuas los ntawm ib tug optical los yog quartz siv lead ua. Ob lub tswv yim muaj lawv tus kheej qhov zoo thiab qhov tsis zoo, uas tsis tau tham txog ntawm no. Dab tsi lawv muaj nyob rau hauv ib qho yog tias lawv txhua tus siv hauv lub tshuab nqus tsev thaum cov khoom evaporated, yog li lub refractive index yog qhov refractive index ntawm cov khoom evaporated nyob rau hauv lub tshuab nqus tsev, tsis yog lub refractive index ntawm cov khoom raug rau huab cua noo. Cov dej noo absorbed los ntawm zaj duab xis hloov cov pores thiab voids, ua rau cov refractive index ntawm cov zaj duab xis nce. Txij li thaum lub cev tuab ntawm zaj duab xis tseem nyob tas mus li, qhov kev nce ntawm qhov ntsuas qhov cuam tshuam yog nrog los ntawm qhov sib txuas ntawm qhov muag pom, uas ua rau muaj kev hloov pauv ntawm cov khoom ntawm cov yeeb yaj kiab mus rau qhov ntev wavelengths. Txhawm rau txo qhov kev hloov pauv no tshwm sim los ntawm qhov ntim thiab tus naj npawb ntawm micropores hauv txheej zaj duab xis, lub zog ions tau ua haujlwm los hloov lawv lub zog mus rau cov khoom evaporating atoms, yog li ua kom muaj kev txav mus los ntawm cov khoom atoms thaum lub sij hawm condensation ntawm lub substrate nto.
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