β‐(Al
xGa
1−x)
2O
3 films have several critical properties of interest to the research community, including a wide bandgap that may be used in the development of new electronic, optoelectronic, and photonic devices. Here we demonstrate the first time fabricated metal‐alkoxide‐based spin‐coated single‐phase epitaxial
β‐(Al
xGa
1−x)
2O
3 films on
c‐sapphire substrates with
orientation...