[labnetwork] Zinc Selenide (ZnSe) deposition

[Mark Weiler]

Hi Youry,

You might consider reaching out to Coherent's optical and materials group in Saxonburg, PA (formally II-VI, Inc.), as they are the experts with ZnSe and its applications.

Best,

Mark Weiler
Manager, Equipment and Facilities
Bertucci Nanotechnology Laboratory
Carnegie Mellon University
412-268-2471


“Fall in love with the problem, not the solution.”  Uri Levine





> On Aug 1, 2025, at 11:48 AM, Youry Borisenkov <yb2471 at columbia.edu> wrote:
> 
> Happy Friday FabNetwork,
> We have a user who is looking to deposit 700-1000 nm ZnSe on Calcium fluoride (CaF2) substrate.
> Do any of you provide such service?
> 
> Here are more details:
> The substrate is CaF2 (22mmx22mmx0.17mm). One important consideration is that the substrates are quite brittle, so the mounting procedure would need to be gentle. 
> From what I've read, evaporation will also work - RF sputtering and thermal evaporation appear to be the most common methods for deposition. e-beam deposition is also sometimes used.
> The thickness of the ZnSe layers should be around 700-1000nm.
> I would be looking to do deposition both directly onto the coverglass, as well as onto a polymer layer - The final structure in order of layers will be CaF2/Au( or ITO)/ZnSe/P3HT Polymer/PMMA/ZnSe/Au( or ITO)
> --
> Thank you,
> Youry Borisenkov
> CNI <https://cni.columbia.edu/columbia-university-clean-room>
> Columbia University
> CEPSR 1017, New York, NY, 10027, United States.
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