Abstract
The electronic structure of LaTe 2 is calculated from the first principles using DV-Xα method. The Fermi surface of this material is mainly contributed from the Te square sheet in the crystal and it has several large parallel pieces that satisfy the nesting condition for CDW transition. Furthermore, the electronic structure of the LaTeSb, as an example of antimony doped case, will be presented. From the obtained Fermi surface the behavior of CDW will be discussed and related to the experimental data.
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