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通过对聚合物衍生的t-BC₂N陶瓷进行高压高温处理所合成材料的表征

Characterization of the Materials Synthesized by High Pressure-High Temperature Treatment of a Polymer Derived t-BC₂N Ceramic.

作者信息

Matizamhuka Wallace R, Sigalas Iakovos, Herrmann Mathias, Dubronvinsky Leonid, Dubrovinskaia Natalia, Miyajima Nobuyoshi, Mera Gabriela, Riedel Ralf

机构信息

E6 Advanced Materials, Element Six (Production) (Pty) Ltd, 1 Debid Road Nuffield, Springs 1559, South Africa.

School of Chemical & Metallurgical Engineering, University of the Witwatersrand, P.Bag 3, Johannesburg Wits 2050, South Africa.

出版信息

Materials (Basel). 2011 Nov 29;4(12):2061-2072. doi: 10.3390/ma4122061.

DOI:10.3390/ma4122061
PMID:28824124
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC5448883/
Abstract

Bulk B-C-N materials were synthesized under static high thermobaric conditions (20 GPa and 2,000 °C) in a multianvil apparatus from a polymer derived t-BCN ceramic. The bulk samples were characterised using X-ray synchrotron radiation and analytical transmission electron microscopy in combination with electron energy loss spectroscopy. Polycrystalline B-C-N materials with a cubic type structure were formed under the applied reaction conditions, but the formation of a ternary cubic diamond-like c-BC₂N compound, could not be unambiguously confirmed.

摘要

在多砧装置中，于静态高温高压条件（20吉帕斯卡和2000摄氏度）下，由聚合物衍生的t-BCN陶瓷合成了块状B-C-N材料。使用X射线同步辐射和分析型透射电子显微镜结合电子能量损失谱对块状样品进行了表征。在所施加的反应条件下形成了具有立方型结构的多晶B-C-N材料，但无法明确确认三元立方类金刚石c-BC₂N化合物的形成。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f3f3/5448883/1e169c214cff/materials-04-02061-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f3f3/5448883/d0fe26b1b1ad/materials-04-02061-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f3f3/5448883/027ec6a316ad/materials-04-02061-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f3f3/5448883/7e97212fbc6a/materials-04-02061-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f3f3/5448883/198a7087dee9/materials-04-02061-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f3f3/5448883/909e97f2d527/materials-04-02061-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f3f3/5448883/9dfee38525e0/materials-04-02061-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f3f3/5448883/82b1640b0f0b/materials-04-02061-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f3f3/5448883/1e169c214cff/materials-04-02061-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f3f3/5448883/d0fe26b1b1ad/materials-04-02061-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f3f3/5448883/027ec6a316ad/materials-04-02061-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f3f3/5448883/7e97212fbc6a/materials-04-02061-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f3f3/5448883/198a7087dee9/materials-04-02061-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f3f3/5448883/909e97f2d527/materials-04-02061-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f3f3/5448883/9dfee38525e0/materials-04-02061-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f3f3/5448883/82b1640b0f0b/materials-04-02061-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f3f3/5448883/1e169c214cff/materials-04-02061-g008.jpg

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本文引用的文献

1
An insight into what superconducts in polycrystalline boron-doped diamonds based on investigations of microstructure.基于微观结构研究对多晶硼掺杂金刚石中超导物质的洞察。
Proc Natl Acad Sci U S A. 2008 Aug 19;105(33):11619-22. doi: 10.1073/pnas.0801520105. Epub 2008 Aug 12.
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Materials: Ultrahard polycrystalline diamond from graphite.材料：由石墨制成的超硬聚晶金刚石。
Nature. 2003 Feb 6;421(6923):599-600. doi: 10.1038/421599b.
3
High-pressure synthesis, characterization, and equation of state of cubic C-BN solid solutions.
立方相C-BN固溶体的高压合成、表征及状态方程
Phys Rev B Condens Matter. 1995 May 1;51(18):12149-12156. doi: 10.1103/physrevb.51.12149.