Q-carbon discovery and formation of single-crystal diamond nano- and microneedles and thin films

Jagdish Narayan; Anagh Bhaumik

doi:10.1080/21663831.2015.1126865

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Q-carbon discovery and formation of single-crystal diamond nano- and microneedles and thin films

Original Reports | 更新时间：2026-08-19

- Q-carbon discovery and formation of single-crystal diamond nano- and microneedles and thin films
- Q-carbon discovery and formation of single-crystal diamond nano- and microneedles and thin films
- 材料研究快报（英文） 2016年4卷第2期页码：118-126
- 作者机构：
  
  Department of Materials Science and Engineering Centennial Campus North Carolina State University Raleigh
- 作者简介：
- 基金信息：
- DOI：10.1080/21663831.2015.1126865
  中图分类号：
- 网络首发：2016-02-03，
  
  纸质出版：2016
- 稿件说明：
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Jagdish Narayan, Anagh Bhaumik. Q-carbon discovery and formation of single-crystal diamond nano- and microneedles and thin films[J]. 材料研究快报（英文）, 2016,4(2):118-126.

Jagdish Narayan, Anagh Bhaumik. Q-carbon discovery and formation of single-crystal diamond nano- and microneedles and thin films[J]. Materials Research Letters, 2016, 4(2): 118-126.
Jagdish Narayan, Anagh Bhaumik. Q-carbon discovery and formation of single-crystal diamond nano- and microneedles and thin films[J]. 材料研究快报（英文）, 2016,4(2):118-126. DOI： 10.1080/21663831.2015.1126865.

Jagdish Narayan, Anagh Bhaumik. Q-carbon discovery and formation of single-crystal diamond nano- and microneedles and thin films[J]. Materials Research Letters, 2016, 4(2): 118-126. DOI： 10.1080/21663831.2015.1126865.

摘要

Abstract

We report the formation of single-crystal diamond nanoneedles

microneedles and thin films on sapphire (0001). By using nanosecond excimer laser pulses

we convert amorphous carbon into a new state of Q-carbon by rapid melting and quenching. The Q-carbon consists of amorphous mostly sp

bonded carbon and rest 10–15% sp

from which diamonds are nucleated. These nanodiamond nuclei in Q-carbon provide a seed for growth of diamond. These nanoneedles and microneedles are found to be single crystals often oriented along ⟨110⟩ directions. The (111) single-crystal diamond film are formed

when sapphire (0001) provides a seed for diamond growth from super undercooled liquid.

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关联资源

Progress in Q-carbon and related materials with extraordinary properties

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相关机构

Department of Materials Science and Engineering Centennial Campus North Carolina State University Raleigh NC USA

Materials Science Division Army Research Office Research Triangle Park

Department of Materials Science and Engineering North Carolina State University Raleigh

a Department of Materials Science and Engineering North Carolina State University Raleigh

b Intel Corporation Hillsboro

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