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> I am having an issue with magnetron-sputtering of tantalum with DC power. After a few minutes of sputtering Ta glow spots appear on the surface of the target that eventually cause the plasma to distinguish. I have loaded two fresh 0.31?-thick Ta targets, but both times the same problem occurred, and both times it generated enough particles in a short amount of time ( about 2 hours of sputtering, accumulatively) that led to shorting of the source.
>
> I suspected that this might be a cooling issue, but there is enough flow rate at the sputtering source,and I use indium thin foil for thermal contact between the cathode and the target (recommended by the company- MeiVac).
>
> Have you experienced such a problem? I am wondering if this could be an issue with the sputtering source or could somehow the two Ta targets I loaded have been compromised?
>
> Thank you very much.
>
> Best regards,
> Saba Sadeghi
> IQC, University of Waterloo
>
>
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From rlc12 at cornell.edu Mon Apr 24 17:01:35 2023
From: rlc12 at cornell.edu (Rebecca Lee Vliet)
Date: Mon, 24 Apr 2023 21:01:35 +0000
Subject: [labnetwork] June 2023 CNF TCN Short Course - REGISTRATION OPEN!
Message-ID: <BL0PR04MB4771C94C23F69E1E7276893EAB679@BL0PR04MB4771.namprd04.prod.outlook.com>
Please post the attached flyer as well as share the announcement below with other members of the scientific communities. Thank you!
CNF Technology & Characterization at the Nanoscale (CNF TCN) IN-PERSON Short Course
June 6, 2022 - June 9, 2023
The CNF TCN will be held in-person Tuesday, June 6, 2023 - Friday, June 10, 2023. Each day offers lectures and laboratory demonstrations designed to impart a broad understanding of the science and technology required to undertake research in nanoscience. TCN is an ideal way for faculty, students, post docs and staff members to rapidly come up to speed in many of the technologies that users of the CNF need to employ. Members of the high tech business community will also find it an effective way to learn best practices for success in a nanofab environment. Attendance is open to the general scientific community.
Note: The short course does not replace the three part training required to become a user of our facility. To become a CNF user, please visit the "Getting Started" link (https:cnf.cornell.edu/howto<https://cnf.cornell.edu/howto>) on the CNF website.
For more information and to register visit: https://cnf.cornell.edu/education/tcn
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From sieb at 4dlabs.ca Tue Apr 25 17:29:14 2023
From: sieb at 4dlabs.ca (Nathanael Sieb)
Date: Tue, 25 Apr 2023 14:29:14 -0700
Subject: [labnetwork] publication acknowledgements
Message-ID: <5f5905e2-42f2-dc9c-8885-5b114f4f5ce1@4dlabs.ca>
Hi all,
I have a question for the hive mind about publication acknowledgements.?
As most of you do, at 4D LABS we require our users to include us in the
acknowledgement section of publications resulting from work in our
facility.? This is obviously helpful to show our impact but also helps
us track publications through search terms.? It is also beneficial to
our staff if they are acknowledged by name, but currently isn't a
requirement.
However, we don't have an easy way to make sure this is actually done.?
While I'm sure most of our users are great, lately we have been finding
some papers that left us out.? When asked about it, the responses varied
from silence, to 'sorry I forgot', to 'I'm paying to access the
facility'.? I don't have the ability to try to check every paper that
might be coming out of here.
So I'm curious, how do other labs deal with this?? Do you have any way
to check or just hope for the best?? Do you send out reminders or just
have the typical wording included on your websites or forms?? I'm open
to any feedback you may have.
Thanks,
Nathanael
*Nathanael Sieb *
Director of Operations and Administration ?| 4D LABS
<http://www.4dlabs.ca/>
Simon Fraser University
8888 University Dr., Burnaby, B.C. V5A 1S6
T: 778.782.8084?| F: 778.782.3765 | www.4dlabs.ca <http://www.4dlabs.ca>
Facebook <https://www.facebook.com/4dlabs/>?| Twitter
<https://twitter.com/4D_LABS>?| LinkedIn
<https://www.linkedin.com/company/sfu-4d-labs/about/>
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