METHOD FOR SYNTHESIS OF DIAMOND SIGNAL CRYSTAL

METHOD FOR SYNTHESIS OF DIAMOND SIGNAL CRYSTAL

PURPOSE:To provide a new method for synthesis of a colorless and transparent diamond single crystal which can be used for decorative applications and optical parts. CONSTITUTION:In synthesizing a diamond single crystal by means of temp. difference, one or two or more metals selected from Al, Ti, Zr...

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Hauptverfasser: SATO SHUICHI, SUMIYA HITOSHI, GODA YASUSHI
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Sprache:eng
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CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
THEIR RELEVANT APPARATUS
TRANSPORTING
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creator SATO SHUICHI
SUMIYA HITOSHI
GODA YASUSHI
description PURPOSE:To provide a new method for synthesis of a colorless and transparent diamond single crystal which can be used for decorative applications and optical parts. CONSTITUTION:In synthesizing a diamond single crystal by means of temp. difference, one or two or more metals selected from Al, Ti, Zr or Hf as a nitrogen getter 3 are positioned on the solvent metal side and Sn 4 is positioned on the seed crystal side between the solvent metal and the seed crystal 5 positioned on a cell and synthesis of the diamond is started in such a way that the nitrogen getter 3 is not brought into contact with the seed crystal 5. As it is possible thereby to synthesize inexpensively and stably a IIa-type diamond crystal being colorless and transparent, with very few inclusions and with good quality, this method is a favorable method for preparation of a synthetic diamond which can be provided for decorative applications and optical parts.
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subjects CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
THEIR RELEVANT APPARATUS
TRANSPORTING
title METHOD FOR SYNTHESIS OF DIAMOND SIGNAL CRYSTAL
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