Document Type

Article

Original Publication Date

2004

Journal/Book/Conference Title

Physical Review B

Volume

70

Issue

13

DOI of Original Publication

10.1103/PhysRevB.70.134422

Comments

Originally published by the American Physical Society at: http://dx.doi.org/10.1103/PhysRevB.70.134422

Date of Submission

May 2015

Abstract

A synergistic approach combining the experimental photoelectron spectroscopy and theoretical electronic structure studies is used to demonstrate the existence of magnetic isomers as well as configurations having comparable binding energies, identical spins, and yet differing in the distribution of local moments (called isomags). Our studies carried out on Mn5O and Mn6O clusters show that while the O atom occupies either bridge or hollow site with a binding energy of 6.88eV in Mn5, it prefers a hollow site with a binding energy of 7.18eV in Mn6 clusters. Mn5O is shown to possess two magnetic isomers with total spins of 13 and 5μB that contain three and five isomags, respectively. Mn6O possesses three isomers, two with moments of 8 and 2μBand a nonmagnetic. It is shown that the isomags, although undetected in magnetic experiments, can be identified via their electronic structure in experimental photoelectron spectra.

Rights

Jones, N.O., Khanna, S.N., Baruah, T., et al. Magnetic isomers and local moment distribution in Mn5O and Mn6O clusters. Physical Review B, 70, 134422 (2004). Copyright © 2004 American Physical Society.

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