[labnetwork] using carbon-tapes for XPS samples

[Owain Clark]

In the past we have also used steel or Al foil to shape small trays with which are then clipped to the XPS sample stage and samples placed inside them. Less UHV issues compared to tape, no residue, good electrical contact to stage if needed, and smaller samples are securely contained. Can even use powders if need be. Our XPS stage is a flat topped 50mm square with various screw mounts for clips so is quite versatile.

Owain.

-----Original Message-----
From: labnetwork-bounces at mtl.mit.edu <labnetwork-bounces at mtl.mit.edu> On Behalf Of Jerry Hunter
Sent: 16 December 2020 01:31
To: Saba Sadeghi <saba.sadeghi at uwaterloo.ca>
Cc: labnetwork at mtl.mit.edu
Subject: Re: [labnetwork] using carbon-tapes for XPS samples

CAUTION: This e-mail originated outside the University of Southampton.

I’ve used carbon tape many times in XPS. Stick the tape to a glass slide then samples to the tape and put the glass slide on the holder with clips. That avoids getting carbon tape on your holder.

If you need the best vacuum then the carbon tape is not a good idea.

Jerry Hunter

> On Dec 15, 2020, at 7:23 PM, Saba Sadeghi <saba.sadeghi at uwaterloo.ca> wrote:
>
> Dear all,
>
> We have an ultra-high vacuum XPS system. We need to load smaller samples that wouldn't fit into the substrate holder of the system.
> Would you recommend double-coated carbon tapes for loading samples? Is there a chance of contaminating the system with the carbon tape usage?
>
> In case the samples need to be heated, do you have any recommendation? I do appreciate your input on the matter.
>
> Best regards,
> Saba Sadeghi, PhD
> Quantum Devices Fabrication Scientist
> Institute for Quantum Computing, University of Waterloo
> Phone: 519-888-4567 ext. 31111
> Email: saba.sadeghi at uwaterloo.ca
>
>
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