KR940014144A

KR940014144A - Manufacturing method of diamond single crystal

Info

Publication number: KR940014144A
Application number: KR1019930013401A
Authority: KR
Inventors: 수미야 히토시; 사토 쉬이찌
Original assignee: 하지메 히토추야나기; 스미토모 일렉트릭 인더스트리즈, 엘티디.
Priority date: 1992-01-22
Filing date: 1993-07-16
Publication date: 1994-07-16

Abstract

질소제거제로서, Ti, Zr, Hf, V, Nb 및 Ta로 구성되어 있는 군으로부터 선택된 하나 이상의 성분 및 Ti, Zr, Hf, V, Nb 및 Ta중의 하나 이상의 탄화물을 분해시킬 수 있는 물질을 용매금속에 첨가시키는 것을 포함하는, 온도경도(temperature gradient) 방법에 의한 다이아몬드 단경정 합성방법이나, X-Y형의 금속간 혼화물 또는 합금(X는 Ti, Zr, Hf, V, Nb 및 Ta로 구성되어 있는 군으로부터 선택되며, Y는 Cu, Ag, Au, Zn 및 Cd로 구성되어 있는 군으로부터 선택된다)을 첨가시키는 것을 포함하는, 온도경도 방법에 의한 다이아몬드 단결정 합성방법이나, 질소제거제로서, Ti, Zr, Hf, V, Nb 및 Ta로 구성되어 있는 군으로부터 선택된 하나 이상의 성분을 첨가하고, 용매금속 및 씨결정 사이에, 씨결정 부근에서의 탄화물의 형성을 방지하기 위하여, 금속판이 배열된 상태하에서 다이아몬드의 합성을 개시하는 것을 포함하는, 온도 경도 방법에 의한 다이아몬드 단결정 합성방법에 의하여, 장식용품 및 광학부품에 응용할 수 있는, 무색투명하여 실질적으로 포유물이 없는 다이아몬드 결정을 경제적이며 안정한 방법으로 합성할 수 있다.As the nitrogen removing agent, a solvent metal which can decompose one or more components selected from the group consisting of Ti, Zr, Hf, V, Nb and Ta and one or more carbides among Ti, Zr, Hf, V, Nb and Ta A method of synthesizing diamond short crystals by a temperature gradient method, including adding to an intermetallic compound or alloy of XY type (X is composed of Ti, Zr, Hf, V, Nb and Ta) Selected from the group, Y is selected from the group consisting of Cu, Ag, Au, Zn, and Cd), the method for synthesizing diamond single crystals by the temperature hardness method, or as a nitrogen removing agent, Ti, Zr At least one component selected from the group consisting of Hf, V, Nb, and Ta, and in the state in which the metal plate is arranged between the solvent metal and the seed crystal to prevent the formation of carbides in the vicinity of the seed crystal. of By the method of synthesizing diamond single crystals by the temperature hardness method, which includes initiating the synthesis, colorless, transparent, substantially mammalian diamond crystals applicable to decorative articles and optical parts can be synthesized in an economical and stable manner. .

Description

Manufacturing method of diamond single crystal

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제 1 도는 본 발명의 하나의 구체예로서 다이아몬드 결정 합성용 샘플 챔버 구조의 개략도이다.1 is a schematic diagram of a sample chamber structure for synthesizing diamond crystals as one embodiment of the present invention.

제 2 도는 본 발명의 다른 하나의 구체예로서 다이아몬드 결정 합성을 샘플 챔버 구조의 개략도이다.2 is a schematic diagram of a sample chamber structure incorporating diamond crystal synthesis as another embodiment of the present invention.

Claims

As a nitrogen removing agent, a solvent is provided which is capable of decomposing one or more components selected from the group consisting of Ti, Zr, Hf, V, Nb and Ta and one or more carbides among Ti, Zr, Hf, V, Nb and Ta. A method for synthesizing a diamond single crystal by the temperature hardness method, comprising adding it to a metal.

The temperature hardness of claim 1, wherein the substance capable of decomposing one or more carbides among Ti, Zr, Hf, V, Nb and Ta is at least one metal selected from the group consisting of Cu, Ag, Au, Zn and Cd. Synthesis method of diamond single crystal by the method.

The amount of at least one component selected from the group consisting of Ti, Zr, Hf, V, Nb and Ta, which is added as a nitrogen removing agent, is 0.1 to 5% by weight based on a solvent, and is added to the solvent. A method for synthesizing diamond single crystals by the temperature hardness method, wherein the amount of a substance capable of decomposing one or more carbides among Ti, Zr, Hf, V, Nb, and Ta is 0.1 to 20% by weight based on a solvent.

Intermetallic or intermetallic of XY type (X is selected from the group consisting of Ti, Zr, Hf, V, Nb and Ta, and Y is selected from the group consisting of Cu, Ag, Au, Zn, Cd) A method for synthesizing a single crystal of diamond by the temperature hardness method, comprising adding a compound.

The XY type (X is selected from the group consisting of Ti, Zr, Hf, V, Nb and Ta, and Y is selected from the group consisting of Cu, Ag, Au, Zn, Cd). A method of synthesizing a single crystal of diamond by the temperature hardness method, wherein the amount of the alloy or the intermetallic compound of the c) is 0.1 to 10% by weight based on the solvent.

The method for synthesizing diamond single crystals according to claim 1, wherein the solvent metal contains 0.1 to 6.0% by weight of carbon in at least one metal selected from the group consisting of Fe, Co, Ni, Mn, and Cr. .

As a nitrogen remover, adding one or more components selected from the group consisting of Ti, Zr, Hf, V, Nb and Ta, and initiating the synthesis of diamond with a metal plate disposed between the solvent metal and the seed crystals A method of synthesizing a diamond single crystal, comprising a temperature hardness method.

The method for synthesizing a diamond single crystal according to claim 7, wherein the metal plate is made of at least one metal selected from the group consisting of Al, Ga, Tn, Tl, Sn, and Pb.

The method for synthesizing a single crystal diamond according to claim 8, wherein the metal plate has a thickness of 0.01 to 0.3 mm.

The method for synthesizing a diamond single crystal according to claim 7, wherein the metal plate is made of at least one metal selected from the group consisting of Cu, Ag, Au, Zn, and Cd.

The method for synthesizing a single crystal diamond according to claim 10, wherein the metal plate has a thickness of 0.01 to 1 mm.

The method for synthesizing a diamond single crystal according to claim 7, wherein the metal plate is made of at least one metal selected from the group consisting of Fe, Co, Ni, and Mn.

The method for synthesizing a single crystal diamond according to claim 12, wherein the metal plate has a thickness of 0.1 to 0.5 mm.

8. Synthesis of diamond single crystal by the temperature hardness method according to claim 7, wherein the amount of at least one component selected from the group consisting of Ti, Zr, Hf, V, Nb, and Ta as a nitrogen removing agent is 0.2 to 10% by weight. Way.

8. Synthesis of diamond single crystal by the temperature hardness method according to claim 7, wherein the solvent metal contains 0.1 to 6.0% by weight of carbon with at least one metal selected from the group consisting of Fe, Co, Ni, Mn and Cr. Way.

※ Note: The disclosure is based on the initial application.