old+STM

If you are interested to know how Stm project started here is the first wikipage of STM for the year 2007-2008
//there were three editors and each initial their comments.//

STM Main Page

I'm working on STM (obviously)- more specifically, the scanning techniques and FFT. RM I am working on power point presentation: what is STM. DH Reay for Power point presentation on Tuesday, August 28. DH See the web page with David R and Rob J created while working with STM at SJHS: [|here].Editing this first attempt and posting an updated version is one goal the STM group should work on this year. --TL

//My Power Point Presentation -DH [|Scanning Tunneling Microscopy of alkanethiols.ppt]

This might help understand how the STM scans by actualy showing you the process and regulations that STM allows us to do.-DH

I just thought I would post why the scanning tunneling microscope was such an achievement: previously, scientists had to study the diffraction patterns of lattice structures to determine their forms. Additionally, the STM has a slightly higher resolution comparative to the AFM. Another, much accepted, view is that the STM is the key to nanotechnology in the future. As we see in the world around us, everything is becoming smaller and more compact. Nanotechnology is a vital part of this. -RM

Here's a link that explains the differences between STM and AFM- it's pretty long and goes into detail. - RM [|STM vs. AFM]

When reading about STM, you'll often come across UHV STM. The "UHV" stands for Ultra-High Vacuum- many higher research centers use these large STM's to get finer images of their samples. The STM is also commonly used with an AFM and SEM (Scanning Electron Microscope). Another term that I frequently came across was "in situ." This means, literally, "in the place." When used in accordance with STM, it means an operation taken without distorting the the state of a connected system. For example, if you wanted to run a test on a sample without distorting it as it was being processed by something else, that would be done// in situ//. -R