Specimen Prep in Electron Optics
Just letting you know I put the TEM grids back in my office (MM622).
If are in need of TEM grids let me know.
Those are the ones we currently have available:
Erico Freitas
If you are ever going to need TEM grids while I’m on vacation (Aug 2-30), please take the TEM grids in the glass desiccator at the MM631.
Please, make sure you follow the TEM Grid Instructions.
Regards,
Erico Freitas
This is to inform you about the recent updates made to the SEM sample coating procedure in order to streamline the process and enhance its efficiency.
To have your samples coated, please drop them off at the image analysis lab (M&M 631) in the designated desiccator. Samples should be labeled with your name, email address, and any special instructions. If necessary, you can find labels within the desiccator. Labeled samples should be placed in the intake section of the dessicator. Once samples have been left, please fill out the Training/Coating Questionnaire to notify ACMAL staff of your sample.
Allow 2 days for us to coat your samples. Once completed your samples will be returned to the desiccator on the “Ready” shelf and we will send you an email.
ACMAL recently installed new recycling infrastructure across the seven labs on the 6th and 7th floor of the M&M and the STEM lab at the ATDC.
Please review the new Recycling section in ACMAL Cleanliness under Policy.
I was able to replace the rod and the issue is resolved.
Please don’t ever force anything on the microscopes. If there is an issue you can call me. If I’m not available you can send me an email and I will take care of it as soon as I can.
The FESEM is down. The specimen exchange rod has been bent making it almost impossible to load a sample.
At long last the new Pt/Pd target has arrived and we can return to the normal operating procedure for the sputter coater. I’ve installed and tested the new target.
The Cr target isn’t coating well and users are experiencing charging issues. I’ve changed the target material to Iridium. Please use the settings below.
Target density: 22.42
Current: 20mA
Coating thickness: 1-3nm
The new target is scheduled for shipment and should be arriving soon.
If you have any questions please let me know.
The target on the sputter coater has temporarily been changed from Pr/Pd Cr. There are special directions for using the Cr target (see detailed instructions below). The major differences are an increase in pump time prior to starting the coating cycle, a change in the material density, and a change in the sputter current. If you have any issues please let me know.
Regarding thickness, remember that 1-2 nm of coating is ideal.
I am out of the office today Friday 7/22. Also, I will be out of the office starting July 28th and returning August 15th. During my absence I will be monitoring email, but my response will be delayed. Below are the contacts if you need assistance with instruments in the Electron Optics Facility or the Scanning Probe Microscopy Facility.
JOSH KINGLaboratory Assistant
PHONE: 404-808-2803
E-MAIL: jorking@mtu.edu
ALEISTER KERR
Laboratory Assistant
PHONE: 520-576-3557
E-MAIL: awkerr@mtu.edu
(Josh, Aleister or Keith)
KEITH PICKELMANN
Laboratory Assistant
PHONE: 989-423-0692
E-MAIL: krpickel@mtu.edu
In case of an emergency call public safety.