Solubility of Sulphur in a Cadmium Borate Glass and SomeProperties of the Sulphur Containing Glasses
スポンサーリンク
概要
- 論文の詳細を見る
The glass forming limit by substitution of CdS for CdO in a CdO-B(2)0(3) glass was determined by chemical analysis. When x CdS-(60-x)CdO-40B(2)0(3) nominal mixtures in weight ratio were heated at 1100°C in flowing nitrogen gas for 1/2 hour, about 40~50% of mixed CdS and 10-15% of the mixed CdS were evaporated. The limit of nominal composition for glass forming was 10CdS-50CdO-40B(2)0(3) and the corresponding virtual composition after the above heat treatment was found to be 4.9CdS-46.4CdO-48.7B(2)O(3). Further addition of CdS made the melt devitrefied with CdS precipitation. D.C. conductivity measurements revealed that the current density was not linear with respect to the applied voltage, but the resistivity ranged around 10(12)Ω・cm for 4.1CdS-48.8CdO-47.1B(2)O(3) (virtual composition) glass and around 10(11.5)Ω·cm for 4.9CdS-46.4CdO-48.7B(2)O(3) glass. These sulphur containing glasses did not show photoconduction, although CdS-precipitated materials showed slight photoconductivity when disposed in ultra violet radiation. Apparent dielectric constant and tan 8 were also measured as a function of frequency, revealing a moderate dispersion in the CdS-precipitated glasses.
- 1971-09-01
論文 | ランダム
- 世界の農業は今 オランダの農業と環境保護政策--自然保護目的で全農地の1/3を買上げ
- 「新生全農米穀事業改革」と米をめぐる情勢
- 独法化後の農業研究予算 (特集 2006年度予算)
- 農林水産予算をめぐる諸論点--わかりやすい公表方式への要望 (特集 2006年度予算)
- 2006年度予算の全体的特徴と課題 (特集 2006年度予算)