Understanding electron magnetic circular dichroism in a transition potential approach

J. Barthel; Jiri Mayer; J Rusz; P L Ho; X Y Zhong; M Lentzen; R E Dunin-Borkowski; K W Urban; H G Brown; Scott Findlay; L J Allen

doi:10.1103/PhysRevB.97.144103

Understanding electron magnetic circular dichroism in a transition potential approach

J. Barthel, Jiri Mayer, J Rusz, P L Ho, X Y Zhong, M Lentzen, R E Dunin-Borkowski, K W Urban, H G Brown, Scott Findlay, L J Allen

School of Physics and Astronomy

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

3 Citations (Scopus)

Abstract

This paper introduces an approach based on transition potentials for inelastic scattering to understand the underlying physics of electron magnetic circular dichroism (EMCD). The transition potentials are sufficiently localized to permit atomic-scale EMCD. Two-beam and three-beam systematic row cases are discussed in detail in terms of transition potentials for conventional transmission electron microscopy, and the basic symmetries which arise in the three-beam case are confirmed experimentally. Atomic-scale EMCD in scanning transmission electron microscopy (STEM), using both a standard STEM probe and vortex beams, is discussed.

Original language	English
Article number	144103
Number of pages	12
Journal	Physical Review B
Volume	97
Issue number	14
DOIs	https://doi.org/10.1103/PhysRevB.97.144103
Publication status	Published - 5 Apr 2018

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10.1103/PhysRevB.97.144103

239801372-oaFinal published version, 2.03 MB

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abstract = "This paper introduces an approach based on transition potentials for inelastic scattering to understand the underlying physics of electron magnetic circular dichroism (EMCD). The transition potentials are sufficiently localized to permit atomic-scale EMCD. Two-beam and three-beam systematic row cases are discussed in detail in terms of transition potentials for conventional transmission electron microscopy, and the basic symmetries which arise in the three-beam case are confirmed experimentally. Atomic-scale EMCD in scanning transmission electron microscopy (STEM), using both a standard STEM probe and vortex beams, is discussed.",

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AU - Rusz, J

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AU - Lentzen, M

AU - Dunin-Borkowski, R E

AU - Urban, K W

AU - Brown, H G

AU - Findlay, Scott

AU - Allen, L J

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N2 - This paper introduces an approach based on transition potentials for inelastic scattering to understand the underlying physics of electron magnetic circular dichroism (EMCD). The transition potentials are sufficiently localized to permit atomic-scale EMCD. Two-beam and three-beam systematic row cases are discussed in detail in terms of transition potentials for conventional transmission electron microscopy, and the basic symmetries which arise in the three-beam case are confirmed experimentally. Atomic-scale EMCD in scanning transmission electron microscopy (STEM), using both a standard STEM probe and vortex beams, is discussed.

AB - This paper introduces an approach based on transition potentials for inelastic scattering to understand the underlying physics of electron magnetic circular dichroism (EMCD). The transition potentials are sufficiently localized to permit atomic-scale EMCD. Two-beam and three-beam systematic row cases are discussed in detail in terms of transition potentials for conventional transmission electron microscopy, and the basic symmetries which arise in the three-beam case are confirmed experimentally. Atomic-scale EMCD in scanning transmission electron microscopy (STEM), using both a standard STEM probe and vortex beams, is discussed.

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Understanding electron magnetic circular dichroism in a transition potential approach

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Making every electron count in atomic resolution microscopy

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Understanding electron magnetic circular dichroism in a transition potential approach

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Making every electron count in atomic resolution microscopy

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