The planes of {HEAD ~ the channel layer} made of {TAIL ~ this crystalline oxide semiconductor} are crystal planes on which only metal atoms are arranged 
made of
The planes of { HEAD ~ the channel layer } made of { TAIL ~ this crystalline oxide semiconductor } are crystal planes on which only metal atoms are arranged
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH