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The vibronic spectra mainly depend on the nature of the defects in diamond. The strong sharp local vibronic modes are observed for the interstitial-related centres beyond their phonon cut-off energy (165meV), but not for the vacancy-related centres. The vibronic spectra of these vacancy-related centres show very strong and broad sidebands closely after the zero phonon lines. Further, the vibrations involving only one vacancy are due to two separate phonons or both, one has an energy of approximately 42 meV and the other has approximately 67 meV.
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Keywords:
- diamond /
- optical centre /
- phonon vibration
[1] Liang X X, Ban S L 2004 Chin. Phys. 13 71
[2] Xu W L, Zheng Z B 1989 Acta Phys. Sin. 38 290
[3] Wotherspoon A 2003 Ph. D. Thesis (UK: University of Bristol)
[4] Walker J 1975 Inst. Phys. Conf. Ser. 23 317
[5] Steeds J W, Davis T J, Charles S J 1999 Diamond Relat. Mater. 8 1847
[6] Wang K Y, Li Z H, Gao K 2012 Acta Phys. Sin. (in press)
[7] Wang K Y, Steeds J W, Li Z H 2012 Diamond Relat. Mater. (in press)
[8] Steeds J W, Gilmore A, Charles S J 1999 Acta Mater. 45 4025
[9] Charles S J, Steeds J W, Evans D J F 2003 J. Appl. Phys. 94 3091
[10] Green B L, Newton M E, Welbourn 2011 Proc. 62nd Diamond Cofer. Warwick, UK
[11] Davies G, Campbell B, Mainwood A 2001 Physica Status Solidi (a) 186 187
[12] Steeds J W, Charles S J, Davis T J 2000 Diamond Relat. Mater. 9 397
[13] Wang K Y, Steeds J W, Li Z H 2011 Proc. 22nd Euro. Cofer. On Diamond P1.102
[14] Mainwood A, Stoneham A M 1997 J. Phys.: Condens. Matter 9 2453
[15] Davies G, Nazar? M H, Hamer M F 1976 Proc. R. Soc. Lond. A 351 245
[16] Charles S J, Steeds J W, Evans D J F 2002 Diamond Relat. Mater. 11 681
[17] Steeds J W, Wang K Y, Li Z H 2011 Proc. 22nd Euro. Cofer. On Diamond P1.103]
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[1] Liang X X, Ban S L 2004 Chin. Phys. 13 71
[2] Xu W L, Zheng Z B 1989 Acta Phys. Sin. 38 290
[3] Wotherspoon A 2003 Ph. D. Thesis (UK: University of Bristol)
[4] Walker J 1975 Inst. Phys. Conf. Ser. 23 317
[5] Steeds J W, Davis T J, Charles S J 1999 Diamond Relat. Mater. 8 1847
[6] Wang K Y, Li Z H, Gao K 2012 Acta Phys. Sin. (in press)
[7] Wang K Y, Steeds J W, Li Z H 2012 Diamond Relat. Mater. (in press)
[8] Steeds J W, Gilmore A, Charles S J 1999 Acta Mater. 45 4025
[9] Charles S J, Steeds J W, Evans D J F 2003 J. Appl. Phys. 94 3091
[10] Green B L, Newton M E, Welbourn 2011 Proc. 62nd Diamond Cofer. Warwick, UK
[11] Davies G, Campbell B, Mainwood A 2001 Physica Status Solidi (a) 186 187
[12] Steeds J W, Charles S J, Davis T J 2000 Diamond Relat. Mater. 9 397
[13] Wang K Y, Steeds J W, Li Z H 2011 Proc. 22nd Euro. Cofer. On Diamond P1.102
[14] Mainwood A, Stoneham A M 1997 J. Phys.: Condens. Matter 9 2453
[15] Davies G, Nazar? M H, Hamer M F 1976 Proc. R. Soc. Lond. A 351 245
[16] Charles S J, Steeds J W, Evans D J F 2002 Diamond Relat. Mater. 11 681
[17] Steeds J W, Wang K Y, Li Z H 2011 Proc. 22nd Euro. Cofer. On Diamond P1.103]
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