<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body style="overflow-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;">Hi Youry,<div><br></div><div>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.<br><div><div dir="auto" style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; overflow-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;"><div><br></div><div>Best,</div><div><br></div><div>Mark Weiler<br>Manager, Equipment and Facilities<br>Bertucci Nanotechnology Laboratory<br>Carnegie Mellon University<br>412-268-2471<br><br><br>“Fall in love with the problem, not the solution.” Uri Levine<br></div><div><br></div><div><br></div></div><br class="Apple-interchange-newline"><br class="Apple-interchange-newline">
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<div><br><blockquote type="cite"><div>On Aug 1, 2025, at 11:48 AM, Youry Borisenkov <yb2471@columbia.edu> wrote:</div><br class="Apple-interchange-newline"><div><div dir="ltr"><div>Happy Friday FabNetwork,</div><div>We have a user who is looking to deposit 700-1000 nm ZnSe on Calcium fluoride (CaF2) substrate.</div><div>Do any of you provide such service?</div><div><br></div><div>Here are more details:</div><div>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. <br>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.<br>The thickness of the ZnSe layers should be around 700-1000nm.<br>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)</div><span class="gmail_signature_prefix">-- </span><br><div dir="ltr" class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div style="color:rgb(136,136,136)">Thank you,</div><div style="color:rgb(136,136,136)">Youry Borisenkov</div><div style="color:rgb(136,136,136)"><a href="https://cni.columbia.edu/columbia-university-clean-room" target="_blank">CNI</a></div><div style="color:rgb(136,136,136)">Columbia University</div><div style="color:rgb(136,136,136)">CEPSR 1017, New York, NY, 10027, United States.</div><div style="color:rgb(136,136,136)"><a href="https://sustainable.columbia.edu/crown-commuter" style="color:rgb(17,85,204)" target="_blank"><img src="https://sustainable.columbia.edu/sites/default/files/content/crown%20commuter%20badge_0.png" width="96" height="40"></a></div></div></div></div>
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