Yuheng Liu with Walter Lambrecht
Study of the vibrational modes in BeSiN2 and BeGeN2
The heterovalent, ternary, II-IV-N2 compounds BeGeN2 and BeSiN2 are related to GaN. Conceptually, one can replace two of the four group-III cations surrounding each nitrogen anion by a group II element, and the other two by a...