OYO BUTURI
Vol.88
No.3
2019
3
20193883185
OYO BUTURI Vol.88 No.3 (2019)
Our Research

Phase transition-type giant negative thermal expansion materials

Masaki AZUMA1, Kengo OKA2, Hajime YAMAMOTO3, Yuki SAKAI4

Negative thermal expansion materials are expected to be utilized for the control of the thermal expansion of structural materials in the fields of semiconductor manufacturing, optical devices and precise machining where precise positioning is required. In this review, giant negative thermal expansions in BiNi1-xFexO3 induced by intermetallic charge transfer and in Pb1-xBixVO3 induced by a ferroelctric-paraelectric transition, and a zero-thermal expansion composite with epoxy resin will be discussed.

OYO BUTURI Vol.88 No.3 p.185 (2019)