Photochromism in Argyle Pink Diamonds

摘要：

　　Argyle pink diamonds are type Ia and exhibit color-changing effects when illuminated with blue or UV light with a threshold at 465nm.The level of color loss is dependent on the wavelength of illumination, increasing with shorter wavelengths while the intensity of light determines the rate of color change.Color restoration is achieved with light between 570nm and 465nm.Below 300nm the color is partially restored unless the diamond is illuminated with IR light.An energy level diagram is proposed which includes single N and brown color centres.

关键词： pink diamonds color change photo-chromism

作者: John Chapman Keal Byrne

作者单位: Argyle Diamonds, Perth, Australia

会议类型: 国内会议

会议名称: 2013中国珠宝首饰学术交流会

会议地点: 北京

会议语种:英文

页码: 4-6

在线出版日期: 2013-10-30（万方平台首次上网日期，不代表论文的发表时间）