From formula (8), it can be seen that the lattice thermal conductivity (κL) is proportional to T, indicating that κL for the composite specimens (f ≠ 0) should reduce as compared to that of BTS, and it is beneficial to increase the ZT value.
From formula (8), it can be seen that the lattice thermal conductivity (κL) is proportional to T, indicating that κL for the composite specimens (f ≠ 0) should reduce as compared to that of BTS, and it is beneficial to increase the ZT value.