[19a-A2-1~8] 16.1 Fundamental properties and their evaluation in disordered materials

[19a-A2-1] Homogeneity Evaluation of Fused Silica Glasses Produced from Synthetic Powder by the Ultrasonic Microspectroscopy Technology –Relationship between OH Concentration and Fictive Temperature–

^○Mototaka Arakawa¹, Yuji Ohashi¹, Eriko Kobayashi¹, Jun-ichi Kushibiki¹, Hideharu Horikoshi², Kenji Moriyama² (Tohoku Univ.¹, Tosoh SGM²)

Keywords:超音波マイクロスペクトロスコピー技術,石英ガラス,音速測定