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Chemistry 18 Online
OpenStudy (anonymous):

With scanning probe microscopy technology, we see not actual atoms but rather images of them. Explain @Abhisar

OpenStudy (abhisar):

brb

OpenStudy (anonymous):

ok

OpenStudy (abhisar):

When wee something basically we see light rays coming to our eyes after getting reflecting from that something. But the scanning tunneling microscope does not use light to produce its images. Instead, it takes a series of measurements of the position of its probe as the probe passes over an object. These are very small objects, and the measurements are very tiny. When you put all of these measurements together, you end up with a map of the surface. This map is the 'image' that we see. In other words, we are not seeing the object directly, but rather we are seeing the indirect mapped image because it has been constructed from lots and lots of data measurements assembled inside the computer of the STM.

OpenStudy (abhisar):

Got it ?

OpenStudy (anonymous):

i think so

OpenStudy (abhisar):

Sure ?

OpenStudy (abhisar):

If not i will xplain once again

OpenStudy (anonymous):

try 1 more time brb

OpenStudy (abhisar):

me too brb

OpenStudy (anonymous):

ok i'm back

OpenStudy (abhisar):

me too

OpenStudy (anonymous):

welcome back

OpenStudy (abhisar):

Lets understand this with the help of an example

OpenStudy (abhisar):

Suppose u want to know how pentagon looks !

OpenStudy (anonymous):

ok

OpenStudy (abhisar):

There are two ways of doing that 1) u will hire a chopper (don't know if u already own one) and see it from above with ur eyes. 2) u'll google its dimensions and draw it's figure on a paper !

OpenStudy (abhisar):

2nd one is STM !

OpenStudy (anonymous):

STM?

OpenStudy (abhisar):

Is something clear ?

OpenStudy (abhisar):

STM= Scanning microscopy

OpenStudy (abhisar):

Scanning microscopy takes series of measurement of its probe. These measurements are very tiny. All the collected data are analysed by a computer to make a map/image of the object

OpenStudy (abhisar):

Got it ?

OpenStudy (anonymous):

yep

OpenStudy (abhisar):

SURE ?

OpenStudy (anonymous):

yep

OpenStudy (abhisar):

\(\color{green}{\huge\ddot\smile}\)

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