氮(N)元素和硼(B)元素为金刚石晶体中常见的两种杂质元素,它们对金刚石的物理化学性质有着重要的影响.本文使用高温高压温度梯度法合成了分别含有氮和硼杂质的金刚石单晶,并使用Raman光谱对晶体进行分析研究.研究发现:随着金刚石生长体系内杂质的引入,晶体的质量变差;当生长体系含有氮杂质时,生长的含氮金刚石晶体的特征峰谱线向低波数偏移,晶体的应力表现为拉应力;当生长体系含有硼杂质时,生长的含氮金刚石晶体的特征峰谱线向高波数偏移,晶体的应力表现为压应力.本研究将有助于丰富金刚石单晶掺杂的认识.
参考文献
| [1] | R. C. Burns;J. O. Hansen;R. A. Spits;M. Sibanda;C. M. Welbourn;D. L. Welch.Growth of high purity large synthetic diamond crystals[J].Diamond and Related Materials,19998-9(8-9):1433-1437. |
| [2] | Palyanov, Y.N.;Khokhryakov, A.F.;Borzdov, Y.M.;Kupriyanov, I.N..Diamond growth and morphology under the influence of impurity adsorption[J].Crystal growth & design,201312(12):5411-5419. |
| [3] | Ekimov, E. A.;Ralchenko, V.;Popovich, A..Synthesis of superconducting boron-doped diamond compacts with high elastic moduli and thermal stability[J].Diamond and Related Materials,2014:15-19. |
| [4] | Yong Li;Xiaopeng Jia;Wei Shi.The preparation of new 'BCN' diamond under higher pressure and higher temperature[J].International Journal of Refractory Metals & Hard Materials,2014Mar.(Mar.):147-149. |
| [5] | Hu Meihua;Bi Ning;Li Shangsheng;Su Taichao;Hu Qiang;Jia Xiaopeng;Ma Hongan.Studies on synthesis and growth mechanism of high quality sheet cubic diamond crystals under high pressure and high temperature conditions[J].International Journal of Refractory Metals & Hard Materials,2015:61-64. |
| [6] | 肖宏宇;李尚升;秦玉琨;梁中翥;张永胜;张东梅;张义顺.高温高压下掺硼宝石级金刚石单晶生长特性的研究[J].物理学报,2014(19):198101-1-198101-7. |
| [7] | Shishuai Sun;Xiaopeng Jia;Bingmin Yan.Synthesis and characterization of hydrogen-doped diamond under high pressure and high temperature[J].CrystEngComm,201411(11):2290-2297. |
| [8] | Li, Yong;Jia, Xiaopeng;Ma, Hong-an;Zhang, Jie;Wang, Fangbiao;Chen, Ning;Feng, Yunguang.Electrical properties of diamond single crystals co-doped with hydrogen and boron[J].CrystEngComm,201432(32):7547-7551. |
| [9] | 李尚升;宋东亮;刘书强;王生艳;宿太超;胡美华;胡强;马红安;贾晓鹏.不同类型宝石级金刚石生长过程中石墨的不同析出形式[J].人工晶体学报,2014(6):1525-1528. |
| [10] | 王秦生;刘杰;卢金斌;林玉;赵清国;李利红.人造金刚石高压腔结构及温度场分布的改善[J].人工晶体学报,2013(10):2055-2058. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%