Lattice dynamics of hexagonal ZnMgS Article Swipe

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A. Elmahjoubi , Mala N. Rao , A. Ivanov , A. V. Postnikov , A. Polian , Toni Alhaddad , S. L. Chaplot , Andrea Piovano , Sébastien Diliberto , Stéphanie Michel , A. Maillard , Karol Strzalkowski , O. Pagès ·

YOU? · · 2025 · Open Access ·

Inelastic neutron scattering measurements on the hexagonal Zn67Mg33S semiconductor alloy reveal a bimodal pattern of the optical modes across the Brillouin zone, confirmed by first-principles simulations. Such modes are sensitive to the local fluctuations in the composition inherent to random Zn/Mg alloying, distinguishing homo from hetero environments of a given bond (1-bond/2-mode), as is formalized for cubic alloys by the percolation model. The latter model thus emerges as a generic framework for systematizing the optical modes of semiconductor alloys in various crystal structures.

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Type: preprint
Language: en
Landing Page: http://arxiv.org/abs/2503.03381
PDF: https://arxiv.org/pdf/2503.03381
OA Status: green
OpenAlex ID: https://openalex.org/W4416084462

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OpenAlex ID: https://openalex.org/W4416084462

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Title: Lattice dynamics of hexagonal ZnMgS

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Type: preprint

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Language: en

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Publication year: 2025

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Publication date: 2025-03-05

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Authors: A. Elmahjoubi, Mala N. Rao, A. Ivanov, A. V. Postnikov, A. Polian, Toni Alhaddad, S. L. Chaplot, Andrea Piovano, Sébastien Diliberto, Stéphanie Michel, A. Maillard, Karol Strzalkowski, O. Pagès

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Landing page: https://arxiv.org/abs/2503.03381

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PDF URL: https://arxiv.org/pdf/2503.03381

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Open access: Yes

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OA status: green

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Cited by: 0

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