Avoided Crossing Phonons Realizes High‐Performance Single‐Crystalline β‐Zn4Sb3 Thermoelectrics

Avoided Crossing Phonons Realizes High‐Performance Single‐Crystalline β‐Zn4Sb3 Thermoelectrics

Abstract This study reveals the mechanisms behind the ultralow lattice thermal conductivity κL in β‐Zn4Sb3 single crystals through inelastic neutron scattering (INS). Analyzing phonon behaviors and the interaction between acoustic phonons and rattling modes, the first experimental evidence of avoide...

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Bibliographic Details
Main Authors: I‐Lun Jen, Cheng‐Yen Lin, Kuang‐Kuo Wang, Chun‐Ming Wu, Chi‐Hung Lee, Hsin‐Jay Wu
Format: Article
Language:English
Published: Wiley 2025-02-01
Series:Advanced Science
Subjects:
avoid crossing phonon
conversion efficiency
moiré fringes
thermoelectrics
β‐Zn4Sb3
Online Access:https://doi.org/10.1002/advs.202411498
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