PRODUCTION OF LOW-COST DIAMOND ANVIL MODIFIED BY ENGINEERING METHOD IN REGARD TO ISOTOPE

摘要

PROBLEM TO BE SOLVED: To obtain an improved diamond anvil suitable for measurement of pressure in a diamond anvil cell. SOLUTION: This diamond anvil modified by engineering method in regard to isotope can overcome present limit in pressure measurement at slightly higher cost than present cost of anvil of diamond which exists in nature. The anvil of the diamond modified by engineering method in regard to the isotope contains about 3-20 atom %<13> C and about 80-97 atom %<12> C.