Title:
【発明の名称】二種のドーピング剤を含むランタン、ルテチウム、イットリウム又はガドリニウムのホウ酸塩及びそれの前駆物質並びにプラズマ又はX線システムにおける使用
Document Type and Number:
Japanese Patent JP2003502251
Kind Code:
A
Abstract:
The invention concerns a lanthanum, lutetium, yttrium or gadolinium borate comprising two doping agents, said borate precursor, and the use of said borate in plasma or X-ray systems. Said rare earth borate corresponds to the formula LnBO3, wherein Ln represents one or several rare earths selected among lanthanum, lutetium, yttrium and gadolinium, and it further comprises at least a first element selected among trivalent elements capable of capturing electrons such as europium, samarium, thulium and ytterbium and at least a second element selected among europium II and the trivalent elements capable of capturing defect electrons, such as cerium, terbium, praseodymium, bismuth, lead, antimony, chromium and iron.
Inventors:
Valerie Alcan Ball
Doni Yugunan
Doni Yugunan
Application Number:
JP2000568780A
Publication Date:
January 21, 2003
Filing Date:
August 31, 1999
Export Citation:
Assignee:
RHONE-POULENC CHIMIE
International Classes:
C01B35/12; C09K11/77; (IPC1-7): C01B35/12
Attorney, Agent or Firm:
Motohiro Kurauchi (1 outside)