dc.identifier.uri |
http://dx.doi.org/10.15488/10594 |
|
dc.identifier.uri |
https://www.repo.uni-hannover.de/handle/123456789/10671 |
|
dc.contributor.author |
Sprodowski, C.
|
|
dc.contributor.author |
Morgenstern, K.
|
|
dc.date.accessioned |
2021-03-23T09:46:14Z |
|
dc.date.available |
2021-03-23T09:46:14Z |
|
dc.date.issued |
2020 |
|
dc.identifier.citation |
Sprodowski, C.; Morgenstern, K.: Temperature-dependent change of the fractal dimension of Cu dendrites on Cu(111). In: New Journal of Physics 22 (2020), Nr. 6, 63055. DOI: https://doi.org/10.1088/1367-2630/ab944b |
|
dc.description.abstract |
We investigate the shape of monatomic high Cu islands on a Cu(111) surface by variable-temperature scanning tunneling microscopy between 110 K and 240 K. Low temperature dendrites evolve towards more compact shapes at increasing temperature; finally reaching the equilibrium shape of a hexagon with rounded corners. Time-lapsed imaging at increasing temperature reveals the onset of shape change to be at ≈170 K, corresponding to the onset of edge and corner diffusion of atoms along the island's borders. Despite a substantial variation for individual islands at each temperature, the mean fractal dimension increases monotonously between 170 K up to 240 K, from the smallest to the largest values feasible for islands grown on surfaces. © 2020 The Author(s). Published by IOP Publishing Ltd on behalf of the Institute of Physics and Deutsche Physikalische Gesellschaft. |
eng |
dc.language.iso |
eng |
|
dc.publisher |
Bristol : Institute of Physics Publishing |
|
dc.relation.ispartofseries |
New Journal of Physics 22 (2020), Nr. 6 |
|
dc.rights |
CC BY 4.0 Unported |
|
dc.rights.uri |
https://creativecommons.org/licenses/by/4.0/ |
|
dc.subject |
Copper metallography |
eng |
dc.subject |
Scanning tunneling microscopy |
eng |
dc.subject |
Temperature |
eng |
dc.subject |
Equilibrium shape |
eng |
dc.subject |
Increasing temperatures |
eng |
dc.subject |
Low temperatures |
eng |
dc.subject |
Rounded corners |
eng |
dc.subject |
Shape change |
eng |
dc.subject |
Substantial variations |
eng |
dc.subject |
Temperature-dependent changes |
eng |
dc.subject |
Variable temperature |
eng |
dc.subject |
Fractal dimension |
eng |
dc.subject.ddc |
530 | Physik
|
ger |
dc.title |
Temperature-dependent change of the fractal dimension of Cu dendrites on Cu(111) |
|
dc.type |
Article |
|
dc.type |
Text |
|
dc.relation.essn |
1367-2630 |
|
dc.relation.doi |
https://doi.org/10.1088/1367-2630/ab944b |
|
dc.bibliographicCitation.issue |
6 |
|
dc.bibliographicCitation.volume |
22 |
|
dc.bibliographicCitation.firstPage |
63055 |
|
dc.description.version |
publishedVersion |
|
tib.accessRights |
frei zug�nglich |
|