Complex sentence: On the other hand, one can intentionally make a perfect material to a poor material, whose lattice structure is imperfect, these are called disordered materials, and if they are also superconducting, we call them disordered superconductors.
Split into simpler sentences: On the other hand, one can intentionally make a perfect material to a poor material, whose lattice structure is distorted, or imperfect. These are called disordered materials, and if they are also superconducting, then they are called disordered superconductors.