The inventors have developed {TAIL ~ a straightforward and accessible approach} for {HEAD ~ selective single crystal growth} of clathrate I and clathrate II intermetallic clathrates 
The inventors have developed { TAIL ~ a straightforward and accessible approach } for { HEAD ~ selective single crystal growth } of clathrate I and clathrate II intermetallic clathrates
OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH