Anion-mediated unusual enhancement of negative thermal expansion in the oxyfluoride of PbTiO 3

作者：Zhao Pan, Yue‐Wen Fang, S. A. Nikolaev, Lin Wu, Jie Zhang, Mengqi Ye, Jin Liu, Xubin Ye, Xiao Wang, Takumi Nishikubo, Yuki Sakai, Runze Yu, Shogo Kawaguchi, Nianpeng Lu, Yoshihiro Kuroiwa, Jun Chen, Masaki Azuma, Xianran Xing, Youwen Long · 发表于：Materials Horizons · 年份：2025 · DOI：10.1039/d5mh00251f · 被引用次数：7 · 研究领域：Thermal Expansion and Ionic Conductivity、Layered Double Hydroxides Synthesis and Applications、Inorganic Chemistry and Materials

Enhanced NTE accompanied by a reduced c / a was observed in the oxyfluoride of PbTiO 3 . This significantly differs from previous studies, where enhanced NTE in PbTiO 3 -based materials occurred only in those compounds with an enhanced c / a .