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Method for the preparation of photochromic insulating crystals

Patent ·
OSTI ID:5830328
; ; ;

This patent describes a photochromic magnesium oxide crystal containing about 0.1 to about 0.01 weight percent, based on the amount of magnesium oxide, of lithium and about 0.05 to about 0.0005 weight percent, based on the amount of magnesium oxide, of nickel.

Assignee:
Dept. of Energy
Patent Number(s):
US 4572618
OSTI ID:
5830328
Country of Publication:
United States
Language:
English

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Related Subjects

36 MATERIALS SCIENCE
360601* -- Other Materials-- Preparation & Manufacture
360603 -- Materials-- Properties
ALKALI METALS
ALKALINE EARTH METAL COMPOUNDS
CHALCOGENIDES
CHEMICAL PREPARATION
CRYSTALS
ELECTRICAL EQUIPMENT
ELECTRICAL INSULATORS
ELEMENTS
EQUIPMENT
FABRICATION
LITHIUM
MAGNESIUM COMPOUNDS
MAGNESIUM OXIDES
MATERIALS
METALS
NICKEL
OPTICAL PROPERTIES
OXIDES
OXYGEN COMPOUNDS
PHOTOCHROMIC MATERIALS
PHYSICAL PROPERTIES
QUANTITY RATIO
SYNTHESIS
TRANSITION ELEMENTS