[labnetwork] Thin film sputtering issue

[Carlos Gramajo]

To me it looks like dendritic growth from nucleation sites. I think the
samples were not properly cleaned and  concur with Rick that some trace was
left behind during sample preparation.

Cheers,

Carlos

On Fri, Sep 9, 2022 at 6:58 AM Morrison, Richard H., Jr <
rmorrison at draper.com> wrote:

> Looks like either dried solvent trail or dried water trail, left behind
> when the liquid dried.
>
>
>
> Rick
>
>
>
> Richard Morrison
>
> PMTS
>
> Draper Laboratory
>
> 555 Technology Square
>
> Cambridge Ma  02139
>
> Office: 617-258-3420
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> Cell: 508-930-3461
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>
>
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>
> *From:* labnetwork <labnetwork-bounces at mtl.mit.edu> * On Behalf Of *Saba
> Sadeghi
> *Sent:* Thursday, September 8, 2022 2:29 PM
> *To:* labnetwork at mtl.mit.edu
> *Subject:* [labnetwork] Thin film sputtering issue
>
>
>
> Dear colleagues,
>
>
>
> I was hoping to get your input on a sputtering issue; the pictures
> attached are from a magnetron-sputtered metal film (200nm), growth rate of
> 3 A/s at elevated growth temperature. Can you identify these features and
> what could have caused them?
>
>
>
> Thank you very much for your feedback,
>
>
>
> Best,
>
> Saba
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-- 
Carlos Gramajo
Cleanroom Research Scientist
Shared Equipment Authority (SEA), Rice University
Cell: 713-743-8115; Office: 713-348-8243; cg70 at rice.edu
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