{TAIL ~ The thermal expansion coefficient} of {HEAD ~ TiN} is only slightly higher but considerably lower for TaN  
{ TAIL ~ The thermal expansion coefficient } of { HEAD ~ TiN } is only slightly higher but considerably lower for TaN
TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH