Assertion: chalcopyrite's property | /r/HasProperty | investigated
Facets:
value: by using the generalized gradient approximation
type: MANNER
Source sentences:
text: The structural, electronic, and elastic properties of CuFeS2 have been investigated by using the generalized gradient approximation (GGA), GGA + U (on-site Coulomb repulsion energy), the local density approximation (LDA), and the LDA + U approach in the frame of density functional theory.