The RMIC materials may also include a variety of other elements, such as {HEAD ~ titanium}, {TAIL ~ hafnium}, aluminum, and chromium 
The RMIC materials may also include a variety of other elements , such as { HEAD ~ titanium } , { TAIL ~ hafnium } , aluminum , and chromium
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH