Isotopically enriched designer-diamond anvil

Autor:	Paul A. Baker, Randolph S. Peterson, Yogesh K. Vohra, Samuel T. Weir
Rok vydání:	2003
Předmět:	Photoluminescence Physics and Astronomy (miscellaneous) Hydrogen Chemistry Analytical chemistry Diamond chemistry.chemical_element engineering.material Nitrogen Methane Diamond anvil cell chemistry.chemical_compound symbols.namesake Kinetic isotope effect engineering symbols Raman spectroscopy
Zdroj:	Applied Physics Letters. 83:1734-1736
ISSN:	1077-3118 0003-6951
DOI:	10.1063/1.1606877
Popis:	Isotopically enriched (42 at. % 13C) designer-diamond anvils were grown by microwave plasma chemical vapor deposition using methane/hydrogen/oxygen chemistry. These isotopically enriched diamond layers can modify the thermal properties of the culet of high-pressure anvils and also allow the use of a 13C/12C Raman pressure sensor system for high-pressure, high-temperature measurements. Raman spectroscopy clearly revealed the isotopically mixed nature of the culet while the photoluminescence spectra at 80 K demonstrate the nitrogen-based defect center near the culet of the diamond anvil. The ability to isotopically modify the diamond culets offers yet another functionality for the embedded electric and magnetic sensors in a designer-diamond anvil.
Databáze:	OpenAIRE
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