Kev sib piv ntawm qhov zoo thiab qhov tsis zoo ntawm atomic force microscopy thiab scanning electron microscopy
Atomic force microscopy yog ib qho kev sojntsuam sojntsuam microscope tsim los ntawm lub hauv paus ntsiab lus ntawm scanning tunneling microscopy. Atomic force microscopy tuaj yeem tshuaj xyuas ntau cov qauv thiab muab cov ntaub ntawv rau kev tshawb fawb saum npoo av thiab kev tswj hwm kev tsim khoom lossis kev tsim cov txheej txheem uas siv cov cuab yeej siv tshuaj ntsuam xyuas qhov roughness thiab electron microscopes tsis tuaj yeem muab. Yog li dab tsi yog qhov zoo thiab qhov tsis zoo ntawm ob? Cia peb saib hauv qab no:
1. Qhov zoo:
Atomic force microscopy muaj ntau yam zoo dua scanning electron microscopy. Tsis zoo li electron microscopes, uas tuaj yeem muab cov duab ob sab xwb, atomic force microscopes muab qhov tseeb peb-dimensional deg maps. Nyob rau tib lub sijhawm, AFM tsis xav tau kev kho tshwj xeeb ntawm cov qauv, xws li tooj liab plating lossis carbon, uas tuaj yeem ua rau cov qauv tsis zoo. Thib peb, electron microscopes yuav tsum tau ua haujlwm nyob rau hauv lub tshuab nqus tsev siab, thiab atomic force microscopes tuaj yeem ua haujlwm zoo nyob rau hauv ib txwm muaj siab thiab txawm tias nyob rau hauv cov dej ib puag ncig. Qhov no tuaj yeem siv los kawm txog cov macromolecules lom thiab txawm tias cov ntaub so ntswg nyob.
2. Qhov tsis zoo:
Piv nrog rau scanning electron microscope (SEM), qhov tsis zoo ntawm atomic force microscope yog tias cov duab ntau me me, qhov nrawm dhau, thiab nws cuam tshuam dhau los ntawm kev sojntsuam. Atomic force microscopy yog ib yam tshiab ntawm cov cuab yeej nrog atomic-theem siab daws teeb meem tsim tom qab scanning tunneling microscopy. Nws tuaj yeem soj ntsuam lub cev ntawm ntau cov ntaub ntawv thiab cov qauv hauv thaj tsam nanometer, suav nrog morphology, hauv huab cua thiab dej ib puag ncig, lossis ncaj qha ua kev ntsuas nanoscale. Manipulation; Nws tau dav siv nyob rau hauv kev lag luam ntawm semiconductor, nano-functional cov ntaub ntawv, biology, tshuaj lom neeg kev lag luam, zaub mov, tshuaj tshawb fawb thiab kev tshawb fawb thwmsim ntawm ntau yam nano-txog kev qhuab qhia nyob rau hauv kev tshawb fawb institutes, thiab tau los ua ib tug yooj yim cuab tam rau nano-science kev tshawb fawb. . Piv nrog rau kev tshuaj ntsuam tunneling microscopy, atomic force microscopy muaj kev siv dav dua vim tias nws tuaj yeem soj ntsuam cov qauv uas tsis yog coj mus kuaj. Lub tshuab ntsuas hluav taws xob ntsuas hluav taws xob, uas tau siv dav hauv kev tshawb fawb thiab kev lag luam, yog ua raws li lub tshuab hluav taws xob atomic force microscope.
