For some years now I have taught the basic ideas of band structure to our final year Chemists. I do this in an entirely non-mathematical way, showing how the bands are formed, and why metals and insulators have the band structures they have. It’s an entirely chemistry-based approach, which I haven’t found taught quite in the same way anywhere else. My lecture notes on this topic can be found here (lecture 2 has most of the relevant material), and my original inspiration came from Smart and Moore’s excellent book, which is one of the main references for the course.
My question is this. Does anyone else out there adopt a similar approach, and if so, would your be prepared to have a discussion about this, and possibly share good practice on this topic? I would also be interested to hear from anyone adopting different approaches, bearing in mind that the more physics-based, mathematical approaches won’t work for students with minimal mathematical background!