Cerium doped barium titanate single crystal, the process therefor and photorefractive device thereby

US5541764A · kind A · utility

Assignee

• The Chinese Academy of Sciences Institute of Physics · CN

Inventors

• Yong Zhu · Hong Kong, CN
• Mengjun Hui · Beijing, CN
• Xing Wu · Fukui, JP
• Changxi Yang · Beijing, CN
• Changqing Wang · Livermore, US
• Hongbin Liu · Beijing, CN
• Xiaojuan Niu · Beijing, CN
• Yingping Chen · Nanhu, CN
• Jinfeng Zhang · Shanghai, CN
• Tang Zhou · Zhuhai, CN

Key dates

• Filing date: Dec 28, 1993
• Grant date: Jul 30, 1996
• Expiry date: Dec 28, 2013

Classification

• Technology area (CPC G): Physics
• CPC primary: G02F1/0338
• WIPO field: Surface technology, coating
• WIPO sector: Chemistry

Abstract

The present invention relates to a doped barium titanate single crystal containing barium titanate as substrate and 5-250 ppm Ce, the process therefor and photorefractive devices made from the cerium doped barium titanate single crystal.