High-performance Bi-based 14-1-11 thermoelectrics via defect-mediated carrier tuning in Ca 14 AlBi 11− x Sb x

Journal of Materials Chemistry A 2026 Open access

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Authors: Saba Sepahban Shahgoli, Pouriya Naziri, Duncan Zavanelli, Gerald Jeffrey Snyder, Umut Aydemir
DOI: 10.1039/d6ta03873e
Cited by: 1
References: 86

Abstract

Isovalent Sb substitution in valence-balanced Ca 14 AlBi 11− x Sb x modulates native acceptor-type defects, reduces hole concentration, and boosts p-type thermoelectric performance to zT ≈ 1.35 at 973 K for x = 3.

Fields of Study & Subjects

Advanced Thermoelectric Materials and Devices Superconducting and THz Device Technology Rare-earth and actinide compounds

Publication details

Journal / source
Journal of Materials Chemistry A
Publisher
Royal Society of Chemistry (RSC)
Volume
14
Issue
52
Pages
35831–35848
Publication date
1 January 2026
Language
EN