Investigating the phonon line shapes of TMDs: An analytical approach

Chenzhang Zhou, Kofi W. Adu

Research output: Contribution to journalArticlepeer-review

2 Scopus citations


Several phenomena can affect the phonon bands of low-dimensional systems, and their proper assignment and interpretation are essential in elucidating their effect on electronic, optical, and optoelectronic properties. Using an analytical approach, we investigate the similarities and differences of the layered effect, the phonon confinement effect, the Breit–Wigner–Fano effect, the inhomogeneous heating effect, and disorder-induced effects in the phonon line shapes of WS2 and MoS2. The subtle differences and similarities are critical in making proper assignments and interpretations of the phonon line shapes and are useful as guidance in the behavior of phonon bands, particularly in TMDs, and more generally in low-dimensional systems.

Original languageEnglish (US)
Pages (from-to)2036-2045
Number of pages10
JournalJournal of Raman Spectroscopy
Issue number10
StatePublished - Oct 1 2020

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Spectroscopy


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