EPR and optical absorption of manganese doped BaF<sub>2</sub>and SrF<sub>2</sub>

Baranov, Pavel V.; Hofstaetter, A.; Nickel, T.; Scharmann, A.; Schon, Frederic

doi:10.1080/10420159108224884

Cited by 3 publications

(2 citation statements)

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“…One Mn + centre and two different Mn 0 ( 6 S 5/2 ) centres were observed in Mn:BaF 2 [26] after x-irradiation at RT. A non-standard D and E set (table 3) was obtained for Mn 0 I in the axis system with z: [26]. The site symmetry was given only for the Mn + centre as C 4 [26].…”

Section: Mnmentioning

confidence: 96%

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Orthorhombic standardization of spin-Hamiltonian parameters for transition-metal centres in various crystals

Rudowicz

Madhu

1999

J. Phys.: Condens. Matter

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Several sets of non-standard zero-field splitting (ZFS) parameters in the spin Hamiltonian (SH) for transition-metal ions at orthorhombic or lower symmetry sites in various crystals have been revealed by a recent literature survey. The standardization limits the ratio of the orthorhombic ZFS parameters: (conventional) and (the extended Stevens (ES) notation). Based on the superposition model it is shown that the `maximum rhombicity' limit is valid not only in the effective SH sense but also in the crystallographic sense. Using the computer package CST the non-standard orthorhombic ZFS parameter sets given originally in various parameter and operator notations, units and conventions for the axis systems are standardized and presented in a unified way in the ES notation and units of . This enables a direct comparison with the available data for similar ion/host systems. The standardization reveals several inconsistencies in interpretation of earlier EPR results.

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Section: Mnmentioning

confidence: 96%

“…A non-standard D and E set (table 3) was obtained for Mn 0 I in the axis system with z: [26]. The site symmetry was given only for the Mn + centre as C 4 [26]. After standardization the sign of both D and E for the Mn 0 I centre changes to negative.…”

Section: Mnmentioning

confidence: 99%