Direct observation of high-spin states in manganese dimer and trimer cations by x-ray magnetic circular dichroism spectroscopy in an ion trap

V. Zamudio-Bayer; K. Hirsch; A. Langenberg; M. Kossick; A. Lawicki; A. Terasaki; B. V. Issendorff; J. T. Lau

doi:10.1063/1.4922487

Direct observation of high-spin states in manganese dimer and trimer cations by x-ray magnetic circular dichroism spectroscopy in an ion trap

V. Zamudio-Bayer, K. Hirsch, A. Langenberg, M. Kossick, A. Lawicki, A. Terasaki, B. V. Issendorff, J. T. Lau

Physical Chemistry

Research output: Contribution to journal › Article › peer-review

21 Citations (Scopus)

Abstract

The electronic structure and magnetic moments of free Mn 2 + and Mn 3 + are characterized by 2p x-ray absorption and x-ray magnetic circular dichroism spectroscopy in a cryogenic ion trap that is coupled to a synchrotron radiation beamline. Our results directly show that localized magnetic moments of 5 μ_B are created by 3d⁵(⁶S) states at each ionic core, which are coupled ferromagnetically to form molecular high-spin states via indirect exchange that is mediated in both cases by a delocalized valence electron in a singly occupied 4s derived antibonding molecular orbital with an unpaired spin. This leads to total magnetic moments of 11 μ_B for Mn 2 + and 16 μ_B for Mn 3 +, with no contribution of orbital angular momentum.

Original language	English
Article number	234301
Journal	Journal of Chemical Physics
Volume	142
Issue number	23
DOIs	https://doi.org/10.1063/1.4922487
Publication status	Published - Jun 21 2015

All Science Journal Classification (ASJC) codes

Physics and Astronomy(all)
Physical and Theoretical Chemistry

Access to Document

10.1063/1.4922487

Cite this

@article{9eb3f8ead842401284e30b62ea690cb9,

title = "Direct observation of high-spin states in manganese dimer and trimer cations by x-ray magnetic circular dichroism spectroscopy in an ion trap",

abstract = "The electronic structure and magnetic moments of free Mn 2 + and Mn 3 + are characterized by 2p x-ray absorption and x-ray magnetic circular dichroism spectroscopy in a cryogenic ion trap that is coupled to a synchrotron radiation beamline. Our results directly show that localized magnetic moments of 5 μB are created by 3d5(6S) states at each ionic core, which are coupled ferromagnetically to form molecular high-spin states via indirect exchange that is mediated in both cases by a delocalized valence electron in a singly occupied 4s derived antibonding molecular orbital with an unpaired spin. This leads to total magnetic moments of 11 μB for Mn 2 + and 16 μB for Mn 3 +, with no contribution of orbital angular momentum.",

author = "V. Zamudio-Bayer and K. Hirsch and A. Langenberg and M. Kossick and A. Lawicki and A. Terasaki and Issendorff, {B. V.} and Lau, {J. T.}",

note = "Publisher Copyright: {\textcopyright} 2015 AIP Publishing LLC.",

year = "2015",

month = jun,

day = "21",

doi = "10.1063/1.4922487",

language = "English",

volume = "142",

journal = "Journal of Chemical Physics",

issn = "0021-9606",

publisher = "American Institute of Physics Publising LLC",

number = "23",

}

TY - JOUR

T1 - Direct observation of high-spin states in manganese dimer and trimer cations by x-ray magnetic circular dichroism spectroscopy in an ion trap

AU - Zamudio-Bayer, V.

AU - Hirsch, K.

AU - Langenberg, A.

AU - Kossick, M.

AU - Lawicki, A.

AU - Terasaki, A.

AU - Issendorff, B. V.

AU - Lau, J. T.

PY - 2015/6/21

Y1 - 2015/6/21

N2 - The electronic structure and magnetic moments of free Mn 2 + and Mn 3 + are characterized by 2p x-ray absorption and x-ray magnetic circular dichroism spectroscopy in a cryogenic ion trap that is coupled to a synchrotron radiation beamline. Our results directly show that localized magnetic moments of 5 μB are created by 3d5(6S) states at each ionic core, which are coupled ferromagnetically to form molecular high-spin states via indirect exchange that is mediated in both cases by a delocalized valence electron in a singly occupied 4s derived antibonding molecular orbital with an unpaired spin. This leads to total magnetic moments of 11 μB for Mn 2 + and 16 μB for Mn 3 +, with no contribution of orbital angular momentum.

AB - The electronic structure and magnetic moments of free Mn 2 + and Mn 3 + are characterized by 2p x-ray absorption and x-ray magnetic circular dichroism spectroscopy in a cryogenic ion trap that is coupled to a synchrotron radiation beamline. Our results directly show that localized magnetic moments of 5 μB are created by 3d5(6S) states at each ionic core, which are coupled ferromagnetically to form molecular high-spin states via indirect exchange that is mediated in both cases by a delocalized valence electron in a singly occupied 4s derived antibonding molecular orbital with an unpaired spin. This leads to total magnetic moments of 11 μB for Mn 2 + and 16 μB for Mn 3 +, with no contribution of orbital angular momentum.

UR - http://www.scopus.com/inward/record.url?scp=84932124440&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=84932124440&partnerID=8YFLogxK

U2 - 10.1063/1.4922487

DO - 10.1063/1.4922487

M3 - Article

AN - SCOPUS:84932124440

SN - 0021-9606

VL - 142

JO - Journal of Chemical Physics

JF - Journal of Chemical Physics

IS - 23

M1 - 234301

ER -

Direct observation of high-spin states in manganese dimer and trimer cations by x-ray magnetic circular dichroism spectroscopy in an ion trap

Abstract

All Science Journal Classification (ASJC) codes

Access to Document

Other files and links

Fingerprint

Cite this