Nano Letters, volume 19, issue 7, pages 4581-4587

Which Transition Metal Atoms Can Be Embedded into Two-Dimensional Molybdenum Dichalcogenides and Add Magnetism?

Publication typeJournal Article
Publication date2019-06-24
Journal: Nano Letters
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor10.8
ISSN15306984, 15306992
General Chemistry
Condensed Matter Physics
General Materials Science
Mechanical Engineering
Bioengineering
Abstract
As compared to bulk solids, large surface-to-volume ratio of two-dimensional (2D) materials may open new opportunities for postsynthesis introduction of impurities into these systems by, for example, vapor deposition. However, it does not work for graphene or h-BN, as the dopant atoms prefer clustering on the surface of the material instead of getting integrated into the atomic network. Using extensive first-principles calculations, we show that counterintuitively most transition metal (TM) atoms can be embedded into the atomic network of the pristine molybdenum dichalcogenides (MoDCs) upon atom deposition at moderate temperatures either as interstitials or substitutional impurities, especially in MoTe2, which has the largest spacing between the host atoms. We further demonstrate that many impurity configurations have localized magnetic moments. By analyzing the trends in energetics and values of the magnetic moments across the periodic table, we rationalize the results through the values of TM atomic radii and the number of (s + d) electrons available for bonding and suggest the most promising TMs for inducing magnetism in MoDCs. Our results are in line with the available experimental data and should further guide the experimental effort toward a simple postsynthesis doping of 2D MoDCs and adding new functionalities to these materials.

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Karthikeyan J. et al. Which Transition Metal Atoms Can Be Embedded into Two-Dimensional Molybdenum Dichalcogenides and Add Magnetism? // Nano Letters. 2019. Vol. 19. No. 7. pp. 4581-4587.
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Karthikeyan J., Komsa H., Batzill M., Krasheninnikov A. V. Which Transition Metal Atoms Can Be Embedded into Two-Dimensional Molybdenum Dichalcogenides and Add Magnetism? // Nano Letters. 2019. Vol. 19. No. 7. pp. 4581-4587.
RIS |
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RIS Copy
TY - JOUR
DO - 10.1021/acs.nanolett.9b01555
UR - https://doi.org/10.1021%2Facs.nanolett.9b01555
TI - Which Transition Metal Atoms Can Be Embedded into Two-Dimensional Molybdenum Dichalcogenides and Add Magnetism?
T2 - Nano Letters
AU - Karthikeyan, J
AU - Komsa, Hannu-Pekka
AU - Batzill, Matthias
AU - Krasheninnikov, Arkady V.
PY - 2019
DA - 2019/06/24 00:00:00
PB - American Chemical Society (ACS)
SP - 4581-4587
IS - 7
VL - 19
SN - 1530-6984
SN - 1530-6992
ER -
BibTex |
Cite this
BibTex Copy
@article{2019_Karthikeyan,
author = {J Karthikeyan and Hannu-Pekka Komsa and Matthias Batzill and Arkady V. Krasheninnikov},
title = {Which Transition Metal Atoms Can Be Embedded into Two-Dimensional Molybdenum Dichalcogenides and Add Magnetism?},
journal = {Nano Letters},
year = {2019},
volume = {19},
publisher = {American Chemical Society (ACS)},
month = {jun},
url = {https://doi.org/10.1021%2Facs.nanolett.9b01555},
number = {7},
pages = {4581--4587},
doi = {10.1021/acs.nanolett.9b01555}
}
MLA
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MLA Copy
Karthikeyan, J., et al. “Which Transition Metal Atoms Can Be Embedded into Two-Dimensional Molybdenum Dichalcogenides and Add Magnetism?.” Nano Letters, vol. 19, no. 7, Jun. 2019, pp. 4581-4587. https://doi.org/10.1021%2Facs.nanolett.9b01555.
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