Strong hybridization driving unusual enhanced negative thermal expansion in PbTiO 3 -based ferroelectrics

Materials Horizons 2026

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Authors: Zhao Pan, S. A. Nikolaev, Xi Shen, Takumi Nishikubo, Lin Wu, Mengqi Ye, Xubin Ye, Shogo Kawaguchi, Yoshihiro Kuroiwa, Richeng Yu, Jun Chen, Masaki Azuma
+1 more Youwen Long
DOI: 10.1039/d5mh02227d
Cited by: 0
References: 43

Abstract

The distinct covalent characteristics of Fe–O and Co–O bonds give rise to divergent temperature-dependent unit cell volume responses: 0.5PbTiO 3 –0.5BiFeO 3 exhibits strong nonlinear NTE, while 0.6PbTiO 3 –0.4BiCoO 3 displays colossal volume contraction.

Fields of Study & Subjects

Thermal Expansion and Ionic Conductivity Ferroelectric and Piezoelectric Materials Multiferroics and related materials

Publication details

Journal / source
Materials Horizons
Volume
13
Issue
8
Pages
4147–4154
Publication date
1 January 2026
Language
EN