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6CCVD Research

The Effect of h-BN Additive on the Structure of Diamond Crystal

At a Glance

Section titled ā€œAt a Glanceā€
MetadataDetails
Publication Date2015-01-01
JournalJournal of Changchun University of Science and Technology
AuthorsLI Peihan
InstitutionsMaterials Science & Engineering, Changchun University of Science and Technology

Abstract

Section titled ā€œAbstractā€

In this work,we report the growth process of single crystal diamond by doping boron(B) and hexagonal boron nitride(h-BN) in the system of Fe70Ni30 alloy catalyst and graphite. The doping of B and h-BN has significant effect on the growth condition and morphology of diamonds. The lowest growth pressure of h-BN doped diamond is 6.2Gpa and the crystals have a green strip morphology. This results indicates that B and h-BN have different effects on the diamond growth and have different ways to replace carbon atoms. We analyze the effect of doping B and N atoms on the structure of diamond,and the chemical environment of B and N atoms in diamond by using X-ray diffraction and photoelectron spectroscopy. The mechanism of B and N doped diamond is also demonstrated.

Tech Support

Section titled ā€œTech Supportā€

Original Source

Section titled ā€œOriginal Sourceā€

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