  By extending the method of semi-modules developed by de Jong, Oort, Viehmann
and Hamacher, we introduce a stratification for the affne Deligne-Lusztig
variety (in the affne Grassmannian) attached to attached to a minuscule
cocharacter and a basic element. As an application, we complete the proof of a
conjecture on the irreducible components of affne Deligne-Lusztig varieties,
due to Miaofen Chen and Xinwen Zhu.
