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Analysis of institutional authors

Manzanares-Negro YAuthorLópez-Polín GAuthorGomez-Herrero JAuthorGomez-Navarro CAuthor

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February 9, 2021
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Confined Crack Propagation in MoS2Monolayers by Creating Atomic Vacancies

Publicated to:ACS Nano. 15 (1): 1210-1216 - 2021-01-26 15(1), DOI: 10.1021/acsnano.0c08235

Authors: Manzanares-Negro, Yolanda; Lopez-Polin, Guillermo; Fujisawa, Kazunori; Zhang, Tianyi; Zhang, Fu; Kahn, Ethan; Perea-Lopez, Nestor; Terrones, Mauricio; Gomez-Herrero, Julio; Gomez-Navarro, Cristina

Affiliations

CSIC - Instituto de Ciencia de Materiales de Madrid (ICMM) - Author
Pennsylvania State University - Author
Shinshu University - Author
UAM-IFIMAC-Condensed Matter Physics Center - Author
Universidad Autónoma de Madrid - Author
‎ CSIC, ICMM, E-28049 Madrid, Spain - Author
‎ Penn State Univ, Ctr 2 Dimens & Layered Mat, University Pk, PA 16802 USA - Author
‎ Penn State Univ, Dept Chem, University Pk, PA 16802 USA - Author
‎ Penn State Univ, Dept Mat Sci & Engn, University Pk, PA 16802 USA - Author
‎ Penn State Univ, Dept Phys, University Pk, PA 16802 USA - Author
‎ Shinshu Univ, Res Initiat Supra Mat, Nagano 3808553, Japan - Author
‎ Univ Autonoma Madrid, Dept Fis Mat Condensada, E-28049 Madrid, Spain - Author
‎ Univ Autonoma Madrid, IFIMAC Condensed Matter Phys Ctr IFIMAC, E-28049 Madrid, Spain - Author
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Abstract

© 2020 American Chemical Society. All rights reserved. In two-dimensional crystals, fractures propagate easily, thus restricting their mechanical reliability. This work demonstrates that controlled defect creation constitutes an effective approach to avoid catastrophic failure in MoS2 monolayers. A systematic study of fracture mechanics in MoS2 monolayers as a function of the density of atomic vacancies, created by ion irradiation, is reported. Pristine and irradiated materials were studied by atomic force microscopy, high-resolution scanning transmission electron microscopy, and Raman spectroscopy. By inducing ruptures through nanoindentations, we determine the strength and length of the propagated cracks within MoS2 atom-thick membranes as a function of the density and type of the atomic vacancies. We find that a 0.15% atomic vacancy induces a decrease of 40% in strength with respect to that of pristine samples. In contrast, while tear holes in pristine 2D membranes span several microns, they are restricted to a few nanometers in the presence of atomic and nanometer-sized vacancies, thus increasing the material's fracture toughness.

Keywords

atomic force microscopycrack propagationdefectsmos2Atomic force microscopyCrack propagationDefectsMos 2Mos2Toughness

Quality index

Bibliometric impact. Analysis of the contribution and dissemination channel

The work has been published in the journal ACS Nano due to its progression and the good impact it has achieved in recent years, according to the agency WoS (JCR), it has become a reference in its field. In the year of publication of the work, 2021, it was in position 20/345, thus managing to position itself as a Q1 (Primer Cuartil), in the category Materials Science, Multidisciplinary. Notably, the journal is positioned above the 90th percentile.

From a relative perspective, and based on the normalized impact indicator calculated from World Citations provided by WoS (ESI, Clarivate), it yields a value for the citation normalization relative to the expected citation rate of: 2. This indicates that, compared to works in the same discipline and in the same year of publication, it ranks as a work cited above average. (source consulted: ESI Nov 14, 2024)

This information is reinforced by other indicators of the same type, which, although dynamic over time and dependent on the set of average global citations at the time of their calculation, consistently position the work at some point among the top 50% most cited in its field:

  • Weighted Average of Normalized Impact by the Scopus agency: 2.87 (source consulted: FECYT Feb 2024)
  • Field Citation Ratio (FCR) from Dimensions: 4.76 (source consulted: Dimensions Jul 2025)

Specifically, and according to different indexing agencies, this work has accumulated citations as of 2025-07-04, the following number of citations:

  • WoS: 27
  • Scopus: 27
  • Europe PMC: 4

Impact and social visibility

From the perspective of influence or social adoption, and based on metrics associated with mentions and interactions provided by agencies specializing in calculating the so-called "Alternative or Social Metrics," we can highlight as of 2025-07-04:

  • The use, from an academic perspective evidenced by the Altmetric agency indicator referring to aggregations made by the personal bibliographic manager Mendeley, gives us a total of: 44.
  • The use of this contribution in bookmarks, code forks, additions to favorite lists for recurrent reading, as well as general views, indicates that someone is using the publication as a basis for their current work. This may be a notable indicator of future more formal and academic citations. This claim is supported by the result of the "Capture" indicator, which yields a total of: 45 (PlumX).

With a more dissemination-oriented intent and targeting more general audiences, we can observe other more global scores such as:

  • The Total Score from Altmetric: 2.95.
  • The number of mentions on the social network X (formerly Twitter): 4 (Altmetric).

It is essential to present evidence supporting full alignment with institutional principles and guidelines on Open Science and the Conservation and Dissemination of Intellectual Heritage. A clear example of this is:

  • The work has been submitted to a journal whose editorial policy allows open Open Access publication.
  • Assignment of a Handle/URN as an identifier within the deposit in the Institutional Repository: http://hdl.handle.net/10486/710501

Leadership analysis of institutional authors

This work has been carried out with international collaboration, specifically with researchers from: Japan; United States of America.

There is a significant leadership presence as some of the institution’s authors appear as the first or last signer, detailed as follows: First Author (MANZANARES NEGRO, YOLANDA) and Last Author (GOMEZ-NAVARRO GONZALEZ, CRISTINA).