files.

The prefix of each file indicates the element(s) it is parameterized

for.  For EAM files it may also have some identifying characters.

for.  An additional lower-case identification tag may be appended.

si = Silicon

sic = Silicon and Carbon

auu3 = Gold universal 3

Si = Silicon

SiC = Silicon and Carbon

Au_u3 = Gold universal 3

For many of the files, comments in the header section give origin and

citation information.

The suffix of each file indicates the pair style it is used with: