Applied Physics Letters, volume 112, issue 17, pages 171607

Bandgap opening in hydrogenated germanene

Q. Yao 1
L. Zhang 1, 2
N. S. Kabanov 1, 3
A N Rudenko 4, 5, 6
T Arjmand 1, 7
H. Rahimpour Soleimani 7
Arie van Houselt 1
Publication typeJournal Article
Publication date2018-04-23
Quartile SCImago
Q1
Quartile WOS
Q2
Impact factor4
ISSN00036951, 10773118
Physics and Astronomy (miscellaneous)
Abstract

We have studied the hydrogenation of germanene synthesized on Ge2Pt crystals using scanning tunneling microscopy and spectroscopy. The germanene honeycomb lattice is buckled and consists of two hexagonal sub-lattices that are slightly displaced with respect to each other. The hydrogen atoms adsorb exclusively on the Ge atoms of the upward buckled hexagonal sub-lattice. At a hydrogen exposure of about 100 L, the (1 × 1) buckled honeycomb structure of germanene converts to a (2 × 2) structure. Scanning tunneling spectra recorded on this (2 × 2) structure reveal the opening of a bandgap of about 0.2 eV. A fully (half) hydrogenated germanene surface is obtained after an exposure of about 9000 L hydrogen. The hydrogenated germanene, also referred to as germanane, has a sizeable bandgap of about 0.5 eV and is slightly n-type.

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Yao Q. et al. Bandgap opening in hydrogenated germanene // Applied Physics Letters. 2018. Vol. 112. No. 17. p. 171607.
GOST all authors (up to 50) Copy
Yao Q., Zhang L., Kabanov N. S., Rudenko A. N., Arjmand T., Rahimpour Soleimani H., Klavsyuk A. L., van Houselt A. Bandgap opening in hydrogenated germanene // Applied Physics Letters. 2018. Vol. 112. No. 17. p. 171607.
RIS |
Cite this
RIS Copy
TY - JOUR
DO - 10.1063/1.5026745
UR - https://doi.org/10.1063/1.5026745
TI - Bandgap opening in hydrogenated germanene
T2 - Applied Physics Letters
AU - Yao, Q.
AU - Zhang, L.
AU - Kabanov, N. S.
AU - Rudenko, A N
AU - Arjmand, T
AU - Rahimpour Soleimani, H.
AU - Klavsyuk, A. L.
AU - van Houselt, Arie
PY - 2018
DA - 2018/04/23
PB - AIP Publishing
SP - 171607
IS - 17
VL - 112
SN - 0003-6951
SN - 1077-3118
ER -
BibTex |
Cite this
BibTex Copy
@article{2018_Yao,
author = {Q. Yao and L. Zhang and N. S. Kabanov and A N Rudenko and T Arjmand and H. Rahimpour Soleimani and A. L. Klavsyuk and Arie van Houselt},
title = {Bandgap opening in hydrogenated germanene},
journal = {Applied Physics Letters},
year = {2018},
volume = {112},
publisher = {AIP Publishing},
month = {apr},
url = {https://doi.org/10.1063/1.5026745},
number = {17},
pages = {171607},
doi = {10.1063/1.5026745}
}
MLA
Cite this
MLA Copy
Yao, Q., et al. “Bandgap opening in hydrogenated germanene.” Applied Physics Letters, vol. 112, no. 17, Apr. 2018, p. 171607. https://doi.org/10.1063/1.5026745.
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