Synergistic effects of optimal negative bias-enhanced growth of quenched-produced diamond films on titanium substrates

被引：4

作者：

Osman, Lama ^{[1
,2
]}

Zkria, Abdelrahman ^{[1
,2
]}

Ali, Ali M. ^{[1
,3
]}

Nagano, Satoki ^{[1
]}

Naragino, Hiroshi ^{[1
]}

Yoshitake, Tsuyoshi ^{[1
]}

机构：

[1] Kyushu Univ, Dept Appl Sci Elect & Mat, Fukuoka 8168580, Japan

[2] Aswan Univ, Fac Sci, Dept Phys, Aswan 81528, Egypt

[3] Al Azhar Univ, Fac Sci, Dept Phys, Cairo 11884, Egypt

来源：

APPLIED PHYSICS EXPRESS | 2023年 / 16卷 / 07期

关键词：

quenched-produced diamond; titanium; negative bias-enhanced growth; room temperature; hybrid ion etching gun and coaxial arc plasma deposition; ULTRANANOCRYSTALLINE DIAMOND; CARBON; RAMAN;

D O I：

10.35848/1882-0786/acdfb7

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We report on negative bias-enhanced growth of quenched-produced diamond films on titanium using hybrid coaxial arc plasma deposition at room temperature. Optimizing the bias voltage to -40 V resulted in a spontaneous formation of a titanium carbide interfacial layer, which caused a significant increase in the adhesion strength from 16 to 48 N. Selective etching of undesired sp (2)-C bonded atoms and ultrafast quenching of the energetic carbon ions (C+) promoted the growth of dense sp (3)-C bonded atoms, achieving a superhardness of 96 GPa, comparable to natural diamond. These pioneering findings have the potential to revolutionize multifunctional materials for biomedical applications.

引用

页数：5

共 26 条

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