Scanning Electron Microscopy (SEM) Basics

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Tonya Coffey

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Great explanation, Wonderful teaching, I've learned SEM basics from here a very good starting point for me. Thank you Dr. Tonya. Great teaching.

sharifuzzamanshakel

Very nice and not dumbed down. You explain stuff well. Thank you!!!

davidmusoke

Thank you so much, your explanation is really good and helpful!

tatkirkar

Nicely explained Basic of SEM! Nice Teaching.

ravirajverma

THANK YOU MA'AM FOR EXPLAINING THIS TOPIC IN A SIMPLE MANNER

deepalipanwar

really good video and amazing explanation!!

hectorgrande

Very well explained. Useful information, thank you so much !!

ccango

What led me to this channel was a question I had, the s.e.m. was invented in 1965, my question was, who invented it, what company funded the work and, what years where the advances in this tech made and what company or other, funded those advancements?

noel

How cool is it that somehow the magnetic lenses can focus those electrons in a beam to a small spot, even though they repel each other even inside the beam!

I imagine the electrons must move fast enough (high enough momentum, and kinetic energy along with it) to counteract Coulomb repulsion

geoffrygifari

What kinda differences would be there if I go for SEM testing of (1) cement paste i.e., cement plus water (2) mortar i.e., cement + water + sand, and (3) concrete i.e., cement + water + sand + gravels? Also let me know which case would be more appropriate in order to discuss the phase characterization of the products formed therein such as the main hydration products e., CSH (calcium silicate hydrate) and CH (calcium hydroxide).
One more can I assess the structures of either of these two hydration products in which case, I have to first dehydrate my samples prior to going for SEM testing (during the sample preparation stage)? So if dehydrated, there would be neither CSH nor CH in the prepared samples for SEM.

nooryaseen

Which book is it that you mentioned? For SEM read.

Muradsahar

Thank you very much! Exactly what I need :)

vortau

Thank you mam.... It's very helpful....

konthoujampriyananda

Thank you so much! that's very helpful.

mohammadabdulhadi

nice lecture please i want the linc of slides of this seminar or video

drabd

Thanx a lot ma'am. Really really helpful and lucid. Can we get the copy of ppt as well ma'am? Since some images were nt much clear in labelling.

antashksinha_iitg

Mam your explanation is nice, but could you please reduce the size of face screen little bit less, because some part of the ppt slides covered with ur face screen, , tHANK YOU SO MUCH FOR THE GOOD EXPLANATION... @Tonya

sujithlalsnair

please tell how to do sem and tem on gfrp composite material detailed analysis.thanks in advance.

narendrakumarjharesearchsc

thank you so much, please can u send us the ppt file

omarali

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