how to make PbSe/PbS superlattice

[mithunp100]

please help me to know what are the tools and info's need to make PbSe/PbS or other.. superlattices ? and how
im using 13.8.2 version

[Umberto Martinez]

same reply as here http://quantumwise.com/forum/index.php?topic=2996.msg13916#msg13916
can you be more specific?

In general become familiar with the Builder tools by following a few simple dedicated tutorials here

[mithunp100]

i tried, but im not getting satisfactory bandstructure. so i want to know what kind of informations i need for making PbSe-PbS superlattice. im new to this software, and have only limited amount of time...