Here the present inventors have assumed that the crystal state of {HEAD ~ the GaInAs layer} under {TAIL ~ a compression stress} is more stable than that under a tension stress 
under
Here the present inventors have assumed that the crystal state of { HEAD ~ the GaInAs layer } under { TAIL ~ a compression stress } is more stable than that under a tension stress
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH