Zhou, Zicong; Joós, Béla
,
2002-08 [Graduate Institute & Department of Physics] Journal Article Physical Review B (Condensed Matter and Materials Physics) 66(5), 54101(7pages) : 10.1103/PhysRevB.66.054101 PACS number~s!: 62.20.Dc, 04.40.2a, 05.20.2y, 65.40.De
I. INTRODUCTION Elastic constants yield valuable dynamical and mechani-
cal