{{alpha/Fe}}
[ α / Fe ] {\displaystyle {\begin{smallmatrix}\left[{\alpha }/{\ce {Fe}}\right]\end{smallmatrix}}}
{{alpha/Fe|1}}
[ α / Fe ] {\displaystyle {\begin{smallmatrix}\left[{\alpha }/{\ce {Fe}}\right]\end{smallmatrix}}} = 1
{{alpha/Fe|0}}
[ α / Fe ] {\displaystyle {\begin{smallmatrix}\left[{\alpha }/{\ce {Fe}}\right]\end{smallmatrix}}} = 0
{{alpha/Fe|-1}}
[ α / Fe ] {\displaystyle {\begin{smallmatrix}\left[{\alpha }/{\ce {Fe}}\right]\end{smallmatrix}}} = -1