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11444249199
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note
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For undoped diamond, we use the conventional 2 atoms/cell structure with a (3 × 3 × 3) q grid which folds onto the T point of the (3 × 3 × 3) cell.
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18
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11444268449
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note
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In the limit of low doping, and as emphasized in Refs. [6,7], zone-center optical phonons are expected to contribute primarily to the e-ph coupling. Such an approximation is at the heart of the q = T deformation potential approach developed by Lee and Pickett in Ref. [7].
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19
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0037102270
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H. J. Choi et al., Nature (London) 418, 758 (2002); Phys. Rev. B 66, 020513 (2002); M. Lazzeri, M. Calandra, and F. Mauri, Phys. Rev. B 68, 220509(R) (2003).
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0742322714
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H. J. Choi et al., Nature (London) 418, 758 (2002); Phys. Rev. B 66, 020513 (2002); M. Lazzeri, M. Calandra, and F. Mauri, Phys. Rev. B 68, 220509(R) (2003).
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11444256085
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note
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-1 in good agreement with the standard formulation used in the text
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25
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11444258115
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note
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log is found to be close to these modes' energy.
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28
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11444257865
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note
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We calculate the phonon and electronic state of pristine diamond (2 atoms/cell) and look at the e-ph coupling for a Fermi level located arbitrarily above and below the band gap. A (3 × 3 × 3) and (8 × 8 × 8) grid for the k point and q points was used at convergency.
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30
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11444261862
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Similar results in a larger doping limit have been obtained in H. J. Xiang, Z. Li, J. Yang, J. G. Hou, and Q. Zhu, cond-mat/0406446
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Similar results in a larger doping limit have been obtained in H. J. Xiang, Z. Li, J. Yang, J. G. Hou, and Q. Zhu, cond-mat/0406446 [Phys. Rev. B (to be published)].
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31
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11444253604
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(to be published).
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Similar results in a larger doping limit have been obtained in H. J. Xiang, Z. Li, J. Yang, J. G. Hou, and Q. Zhu, cond-mat/0406446 [Phys. Rev. B (to be published)].
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Phys. Rev. B
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32
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0008134472
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n-type doped diamond surfaces and clathrates were studied as "negative" work function materials for fieldemission devices. See, e.g., Warren E. Pickett, Phys. Rev. Lett. 73, 1664 (1994); V. Timoshevskii, D. Connétable, and X. Blase, Appl. Phys. Lett. 80, 1385 (2002).
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Pickett, W.E.1
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33
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79956023165
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n-type doped diamond surfaces and clathrates were studied as "negative" work function materials for fieldemission devices. See, e.g., Warren E. Pickett, Phys. Rev. Lett. 73, 1664 (1994); V. Timoshevskii, D. Connétable, and X. Blase, Appl. Phys. Lett. 80, 1385 (2002).
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Connétable, D.2
Blase, X.3
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