2003
DOI: 10.1103/physrevb.68.235417
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Optical absorption from an indirect transition in bismuth nanowires

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Cited by 58 publications
(43 citation statements)
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References 15 publications
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“…II, we present a simple analytical model for the threshold energy of the L-T transition that takes as parameters the wire diameter and crystalline orientation. Our model agrees very well with the above experimental results of Black et al 1 and Reppert et al, 2 and demonstrates that the nonparabolic nature of the L point bands is essential for calculating the energy of the L-T transition.…”
Section: Introductionsupporting
confidence: 90%
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“…II, we present a simple analytical model for the threshold energy of the L-T transition that takes as parameters the wire diameter and crystalline orientation. Our model agrees very well with the above experimental results of Black et al 1 and Reppert et al, 2 and demonstrates that the nonparabolic nature of the L point bands is essential for calculating the energy of the L-T transition.…”
Section: Introductionsupporting
confidence: 90%
“…Although this indirect transition ͑which we shall hence call the L-T transition͒ may occur in bulk Bi, it is not easily observable because the optical absorption in bulk Bi is dominated by the direct L point transition and by free-carrier absorption processes. In their paper, Black et al 1 presented a numerical simulation of the L-T transition, which demonstrated good agreement with experimental results.…”
Section: Introductionmentioning
confidence: 72%
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“…Both at the L-point and at the T-point a direct band gap exists. The size of the gap at the L-point amounts to E gL ~ 15 meV and ~ 36 meV at 0 and 300 K, respectively (Black et al, 2003). In contrast, the size of the gap at the T-point is rather unknown.…”
Section: Bismuthmentioning
confidence: 99%