2019
DOI: 10.1039/c9nr00713j
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Alignment of semiconducting graphene nanoribbons on vicinal Ge(001)

Abstract: Aligned semiconducting armchair graphene nanoribbons with excellent charge transport properties are synthesized on vicinal Ge(001) substrates via chemical vapor deposition.

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Cited by 29 publications
(49 citation statements)
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“…Using v-Ge(001) surface with different miscut angles towards Ge 110 it was possible to reach almost complete anisotropic "arm-chair" GNRs growth (Fig. 6(b)) 86 . For miscut angles 0 • , 6 • , and 9 • the alignment probability for GNRs perpendicular to miscut of 50%, 73%, and 90% was achieved, respectively 86 .…”
Section: Graphene Hetero-and Nano-structures On Ge Surfacesmentioning
confidence: 98%
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“…Using v-Ge(001) surface with different miscut angles towards Ge 110 it was possible to reach almost complete anisotropic "arm-chair" GNRs growth (Fig. 6(b)) 86 . For miscut angles 0 • , 6 • , and 9 • the alignment probability for GNRs perpendicular to miscut of 50%, 73%, and 90% was achieved, respectively 86 .…”
Section: Graphene Hetero-and Nano-structures On Ge Surfacesmentioning
confidence: 98%
“…To overcome this issue, the use of vicinal Ge surfaces was proposed 86,97 . Using v-Ge(001) surface with different miscut angles towards Ge 110 it was possible to reach almost complete anisotropic "arm-chair" GNRs growth (Fig.…”
Section: Graphene Hetero-and Nano-structures On Ge Surfacesmentioning
confidence: 99%
“…The miscut angle and miscut direction of Ge substrates were determined by XRD (D8 DISCOVER, Bruker) . 4° miscut Ge(001), 8° miscut Ge(001), and 12° miscut Ge(001) substrates had miscut angles of 4.551° ± 0.005°, 8.625° ± 0.005°, and 12.832° ± 0.005°, respectively, and azimuthal deviation toward Ge[111] of 1.5° ± 0.5°, 0.5° ± 0.5°, and 1.0° ± 0.5°, respectively.…”
Section: Methodsmentioning
confidence: 99%
“…However, the GNRs roughly nucleate along the two perpendicular Ge<110> directions, which are not suitable for scalable applications in nanoelectronics. Following the previous work, Jacobberger et al proposed a promising method, by which the alignment of these semiconducting nanoribbons can be tuned by the increase of miscut angle, while these nanoribbons are still not 100% well aligned …”
mentioning
confidence: 99%
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