[G] 力学特性と組織

[45] High-Pressure Torsion of SiO₂ Quartz: Phase Transformation and Optical Properties

*王 青¹、Edalati Kaveh¹、藤田 育郎¹、渡邊 源規¹、堀田 善治² (1. 九大、2. 九工大)

キーワード：High pressure torsion、SiO₂ quartz、SiO₂ coesite、Oxygen vacancy、Photocatalysis

In this study, HPT method was employed on SiO₂ quartz for stabilizing the high pressure coesite phase and introducing oxygen vacancies to enhance the optical properties and photocatalytic activity.