Abstract
Mixed alloy MoxW(1 − x)S2 (0 ≤ x ≤ 1) bulk samples are characterized by low wavenumber Raman spectroscopy. The results provide a convenient and reliable means for systematically determining the sample Mo/W composition. The absence of disorder effects in its interlayer motion (unlike for the intralayer motion) and the lack of Mo/W composition dependence of the shear mode force constants enable the facile employment of a reduced monoatomic linear chain model by treating the bulk alloy as a series of ‘single balls’ of mass (xmMo + (1 − x)mW + 2mS) attached by interlayer springs with a composition‐independent interlayer force constant of .Shear mode Raman scattering analysis may consequently be complementary to the electronic spectroscopy tools (X‐ray photoelectron spectroscopy (XPS) and energy‐dispersive X‐ray spectroscopy (EDS)), commonly used for mixed alloy bulk composition characterization. Copyright © 2017 John Wiley & Sons, Ltd.
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