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Grant support

We acknowledge the assistance of Tomoaki Yamasaki and Dr. Miki Ueda in the synthesis of the samples. The present work has been partly funded trough the Spanish MINECO (Grant No. MAT2012-38318-C03) and the Gobierno de Aragon (Project MOLCHIP).

Analysis of institutional authors

Burzuri, EAuthor
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Article

Quantum Interference Oscillations of the Superparamagnetic Blocking in an Fe-8 Molecular Nanomagnet

Publicated to:PHYSICAL REVIEW LETTERS. 111 (5): 057201- - 2013-07-31 111(5), DOI: 10.1103/PhysRevLett.111.057201

Authors: Burzuri, E.; Luis, F.; Montero, O.; Barbara, B.; Ballou, R.; Maegawa, S.;

Affiliations

CNRS, Inst Neel, F-38042 Grenoble 9, France - Author
Kyoto Univ, Grad Sch Human & Environm Studies, Kyoto 6068501, Japan - Author
Univ Grenoble 1, F-38042 Grenoble 9, France - Author
Univ Zaragoza, CSIC, ICMA, E-50009 Zaragoza, Spain - Author

Abstract

We show that the dynamic magnetic susceptibility and the superparamagnetic blocking temperature of an Fe-8 single molecule magnet oscillate as a function of the magnetic field H-x applied along its hard magnetic axis. These oscillations are associated with quantum interferences, tuned by H-x, between different spin tunneling paths linking two excited magnetic states. The oscillation period is determined by the quantum mixing between the ground S = 10 and excited multiplets. These experiments enable us to quantify such mixing. We find that the weight of excited multiplets in the magnetic ground state of Fe-8 amounts to approximately 11.6%.

Keywords
Anisotropic superexchange interactionIron clusterMagnetic-anisotropyPhase interferenceStatesWeak ferromagnetism

Quality index

Bibliometric impact. Analysis of the contribution and dissemination channel

The work has been published in the journal PHYSICAL REVIEW LETTERS 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, 2013, it was in position 6/78, thus managing to position itself as a Q1 (Primer Cuartil), in the category Physics, Multidisciplinary.

From a relative perspective, and based on the normalized impact indicator calculated from the Field Citation Ratio (FCR) of the Dimensions source, it yields a value of: 3.15, which 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: Dimensions May 2025)

Specifically, and according to different indexing agencies, this work has accumulated citations as of 2025-05-15, the following number of citations:

  • WoS: 11
  • Scopus: 11
  • OpenCitations: 12
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 2025-05-15:

  • 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: 20.
  • 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: 20 (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: 0.25.
  • The number of mentions on the social network X (formerly Twitter): 1 (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.
Leadership analysis of institutional authors

This work has been carried out with international collaboration, specifically with researchers from: France; Japan.

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 (BURZURI LINARES, ENRIQUE) .