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This type of AFM operation is referred to as the force mode. With this probe, one can study interactions between various surfaces and probe particles in the sphere-plane geometry . It is also possible to study forces between colloidal particles by attaching another particle to the substrate and perform the measurement in the sphere-sphere ...
AFM-IR has also been integrated with other sources including a picosecond OPO [24] offering a tuning range 1.55 μm to 16 μm (from 6450 cm −1 to 625 cm −1). In its initial development, with samples deposited on transparent prisms and using OPO laser sources, the sensitivity of AFM-IR was limited to a minimal thickness of the sample of ...
Kelvin probe force microscopy (KPFM), also known as surface potential microscopy, is a noncontact variant of atomic force microscopy (AFM). [ 1 ] [ 2 ] [ 3 ] By raster scanning in the x,y plane the work function of the sample can be locally mapped for correlation with sample features.
Electrochemical AFM (EC-AFM) is a particular type of Scanning probe microscopy (SPM), which combines the classical Atomic force microscopy (AFM) together with electrochemical measurements. EC-AFM allows to perform in-situ AFM measurements in an electrochemical cell , in order to investigate the actual changes in the electrode surface morphology ...
We put the best air purifiers from Lenovo, Honeywell, Winix, and more to the test to see which held up best (and actually purified the air for you). See what our product scientist has to say.
"I think that the best alcohol is a barrel-aged rum made from molasses or demerara sugar or a bourbon or scotch that has spent a decent amount of time in a barrel," he says. "Cognac can also be an ...
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