You probably have to be pretty specific with what an 'immaterial' experience or phenomenon is to engage in that discussion. My perspective on most things that would traditionally invoke classic immateriality is that they're probably emergent behavior of complex system interactions which recur down to something material.
How can something immaterial emerge from something material?
By immaterial experience or phenomenon in this case I mean qualia
"Examples of qualia include the perceived sensation of pain of a headache, the taste of wine, as well as the redness of an evening sky" from https://en.wikipedia.org/wiki/Qualia
You can tell me the hue of the sky, the brightness, etc, but that's completely different from your actual perceived experience of the sky, which is what consciousness is
Another quote: "what it is like to taste a specific apple, this particular apple now"