Photoluminescence of a CVD Diamond Excited with VUV Light from a Synchrotron

Hsiao-Chi Lu, Yu-Chain Peng, Meng-Yeh Lin, Sheng-Lung Chou, Jen-Iu Lo, Bing-Ming Cheng

National Synchrotron Radiation Research Center, Hsinchu Science Park, Hsinchu, Chinese Taipei.

DOI: 10.4236/opj.2013.36A005                

Abstract

At the vacuum-ultraviolet (VUV) beam line of a synchrotron, an end station for photoluminescence (PL) coupled to a system to detect absorption is used to investigate the luminescence and absorption of materials. We analyzed a CVD diamond window in wavelength range 160 - 250 nm at 300 and 14 K. The PL excited with VUV light enabled an identification of nitrogen defects in diamond samples. The VUV PL technique is applicable to explore advanced materials including materials with similar wide band gaps, such as boron nitride and aluminum nitride.

Keywords

Diamond; Nitrogen Defect; Photoluminescence; Synchrotron; Vacuum-Ultraviolet

Conflicts of Interest

The authors declare no conflicts of interest.

References

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