Wednesday, August 14, 2019

“Seeing Is Convincing!” Things You Need to Know When Analyzing TEM Results.

One of the first microscope in history

Nanocrystal research is good because you can see it using an electron microscope. As you may know, science progress is closely related to microscope development. (People did not believe in the existence of microorganisms before the invention of the microscope.) We scientists may not 100% live up to “seeing is believing,” but it is safe to say that “seeing is convincing.”

TEM is good, but, obviously, if you wanna say something for sure, there is much still to learn. Here, I introduce several important topics to learn about TEM

·               Textbooks
I learned a lot about TEM and electron diffraction from this book (Transmission Electron Microscopy and Diffractometry of Materials). (I am surprised that this book has a 3stars out of 5 review!! This textbook is excellent!!) 
Other than this textbook, I know these are pretty good textbooks

·               Website for references related to measurement
You can learn a lot from a company's website and the university's resources
For example, this "virtual SEM" gives you helpful practice before you go to actual SEM measurement.  If you know each process and what each process means, your learning curve of SEM measurement will be so efficient.
JOEL, one of the most popular electron microscope company, has an excellent website.  I especially like their "glossary of TEM terms." Basically, you can look up a term related to electron microscopy in this website. If you hit terminology seen in a paper or spoken by your professor, this is the go-to website.
·               Again, you should know many things, such as astigmatism, FFT, what is "fringe," and whatnot.



Good luck on your TEM analysis!