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| 001 | 863489 | ||
| 005 | 20220930130213.0 | ||
| 024 | 7 | _ | |a 10.1088/2053-1583/ab2926 |2 doi |
| 024 | 7 | _ | |a 2128/22592 |2 Handle |
| 024 | 7 | _ | |a altmetric:63041327 |2 altmetric |
| 024 | 7 | _ | |a WOS:000476954200005 |2 WOS |
| 037 | _ | _ | |a FZJ-2019-03543 |
| 041 | _ | _ | |a English |
| 082 | _ | _ | |a 530 |
| 100 | 1 | _ | |a Felter, Janina |0 P:(DE-Juel1)165989 |b 0 |
| 245 | _ | _ | |a In-situ study of two-dimensional dendritic growth of hexagonal boron nitride |
| 260 | _ | _ | |a Bristol |c 2019 |b IOP Publ. |
| 336 | 7 | _ | |a article |2 DRIVER |
| 336 | 7 | _ | |a Output Types/Journal article |2 DataCite |
| 336 | 7 | _ | |a Journal Article |b journal |m journal |0 PUB:(DE-HGF)16 |s 1582035557_32368 |2 PUB:(DE-HGF) |
| 336 | 7 | _ | |a ARTICLE |2 BibTeX |
| 336 | 7 | _ | |a JOURNAL_ARTICLE |2 ORCID |
| 336 | 7 | _ | |a Journal Article |0 0 |2 EndNote |
| 520 | _ | _ | |a Hexagonal boron nitride, often entitled the "white graphene" because of its large band gap, is one of the most important two-dimensional (2D) materials and frequently investigated in context with stacked arrays of single 2D layers, so called van der Waals heterostructures. Here, we concentrate on the growth of hBN on the coinage metal surface Cu(111). Using low energy electron microscopy and diffraction, we investigate the self-terminated growth of the first layer in-situ and in real time. Most prominently, we find dendritic structures with three strongly preferred growth branches that are mostly well aligned with the Cu(111) substrate and exhibit a three-fold symmetric shape. The observation of dendritic structures is very surprising since hBN was found to grow in compact, triangular-shaped islands on many other metal substrates, in particular, on transition metal surfaces where it shows a much stronger interaction to the surface. We explain the unexpected dendritic growth by an asymmetry of the bonding energy for the two possible ways a borazine molecule can attach to an existing hBN island, namely either with one of its boron or one of its nitrogen atoms. We suggest that this asymmetry originates from different dehydrogenation states of the adsorbed borazine molecules and the hBN islands. We call this mechanism "Dehydrogenation Limited Aggregation'' since it is generic in the sense that it is merely based on different dehydrogenation energies for the involved building blocks forming the 2D layer. |
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| 588 | _ | _ | |a Dataset connected to CrossRef |
| 700 | 1 | _ | |a Raths, Miriam |0 P:(DE-Juel1)172607 |b 1 |
| 700 | 1 | _ | |a Franke, Markus |0 P:(DE-Juel1)161374 |b 2 |
| 700 | 1 | _ | |a Kumpf, Christian |0 P:(DE-Juel1)128774 |b 3 |e Corresponding author |
| 773 | _ | _ | |a 10.1088/2053-1583/ab2926 |0 PERI:(DE-600)2779376-X |n 4 |p 045005 |t 2D Materials |v 6 |y 2019 |x 2053-1583 |
| 856 | 4 | _ | |u https://juser.fz-juelich.de/record/863489/files/Felter_2019_2D_Mater._6_045005.pdf |y OpenAccess |
| 856 | 4 | _ | |u https://juser.fz-juelich.de/record/863489/files/Felter_2019_2D_Mater._6_045005.pdf?subformat=pdfa |x pdfa |y OpenAccess |
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| 914 | 1 | _ | |y 2019 |
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| 920 | 1 | _ | |0 I:(DE-Juel1)PGI-3-20110106 |k PGI-3 |l Funktionale Nanostrukturen an Oberflächen |x 0 |
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