Author: Elizabeth Miller

STEM users – O2 sensor in the lab

The O2 meter at the STEM lab is inoperante. We are now using a small hand size backup O2 sensor (see picture) in the STEM lab. It’s on the window stool.

If it reads 24 it means the oxygen level is normal.

Please, do not remove this oxygen sensor out from the lab, and leave it next to the window so it’s visible from outside.

If it flashes and beeps please leave the room and let me know or ACMAL staff know.

Erico Freitas

Handheld sensor with O2 display reading at 24.

ATTN: AFM & FIB Users

The reservation calendars for the AFM and FIB will no longer be merged. We’re splitting these two calendars. It’s important to note that this is a shared space, and both instruments might be in use simultaneously. If your research is highly sensitive, please make sure to book the room on both calendars.

The new calendars will be named:

  • ACMAL-Origin AFM
  • ACMAL-FIB

Let me know if you have any questions,

STEM Users – TEM grids (updates)

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:

  • Continuum C-film on copper 
  • Continuum C-film in nickel
  • Lacey C-film on copper 
  • Silicon oxide Film on copper
  • Formvar Carbon single 
  • Formvar supported lacey C-film on copper
  • Quantifoil C-film on copper
  • Graphene supported Lacey C-film on copper

Erico Freitas

ESEM Down

September 13, 2023

I’m pleased to report that the ESEM repairs will be completed today and the instrument is available as soon as tomorrow morning.

September 8, 2023

Unfortunately, the power supply did not fix this issue. I’ve done as much remote troubleshooting as possible. We will have a service technician on campus next week to look into the issue.

If anyone has any urgent samples, please contact me and we can make other arrangements.

September 7, 2023

Just a quick update. It looks like the filament is not the issue. I have been working with SEMTech to diagnose the problem. They are overnighting me a power supply. We are going to replace it tomorrow. I will have an update at that point.

I know many of you are eager to get back on the instrument. I thank you for your patience.

September 6, 2023

The ESEM is down due to an issue with the filament. We are working on this and hope to have the issue resolved by tomorrow.