The structure of Sr2(VO4)Cl and Sr2(CrO4)Cl and Spectroscopic Properties of Mn5+ - and Cr5+-Doped Sr2(VO4)Cl

C. Albrecht; S. Cohen; I. Mayer; D. Reinen

doi:10.1006/jssc.1993.1341

The structure of Sr₂(VO₄)Cl and Sr₂(CrO₄)Cl and Spectroscopic Properties of Mn⁵⁺ - and Cr⁵⁺-Doped Sr₂(VO₄)Cl

C. Albrecht, S. Cohen, I. Mayer, D. Reinen

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

41 Scopus citations

Abstract

The structures of the spodiosite-type compounds Sr₂(M^VO₄)Cl [M = V, Cr] and the spectroscopic properties (EPR, ligand field) of Mn⁵⁺ - and Cr⁵⁺-doped Sr₂(VO₄)Cl [³A₂ and ²E ground states in T_d, respectively] are reported. Evidence is presented that Cr⁵⁺ undergoes vibronic coupling effects of the Jahn-Teller type. Paramagnetic probe cations will only reflect the geometry of a host site, if they possess nondegenerate ground states in the respective symmetry and if their ionic radii are comparable to those of the host cations.

Original language	English
Pages (from-to)	218-228
Number of pages	11
Journal	Journal of Solid State Chemistry
Volume	107
Issue number	1
DOIs	https://doi.org/10.1006/jssc.1993.1341
State	Published - 1 Jan 1993
Externally published	Yes

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Ceramics and Composites
Condensed Matter Physics
Physical and Theoretical Chemistry
Inorganic Chemistry
Materials Chemistry

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10.1006/jssc.1993.1341

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title = "The structure of Sr2(VO4)Cl and Sr2(CrO4)Cl and Spectroscopic Properties of Mn5+ - and Cr5+-Doped Sr2(VO4)Cl",

abstract = "The structures of the spodiosite-type compounds Sr2(MVO4)Cl [M = V, Cr] and the spectroscopic properties (EPR, ligand field) of Mn5+ - and Cr5+-doped Sr2(VO4)Cl [3A2 and 2E ground states in Td, respectively] are reported. Evidence is presented that Cr5+ undergoes vibronic coupling effects of the Jahn-Teller type. Paramagnetic probe cations will only reflect the geometry of a host site, if they possess nondegenerate ground states in the respective symmetry and if their ionic radii are comparable to those of the host cations.",

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T1 - The structure of Sr2(VO4)Cl and Sr2(CrO4)Cl and Spectroscopic Properties of Mn5+ - and Cr5+-Doped Sr2(VO4)Cl

AU - Albrecht, C.

AU - Cohen, S.

AU - Mayer, I.

AU - Reinen, D.

PY - 1993/1/1

Y1 - 1993/1/1

N2 - The structures of the spodiosite-type compounds Sr2(MVO4)Cl [M = V, Cr] and the spectroscopic properties (EPR, ligand field) of Mn5+ - and Cr5+-doped Sr2(VO4)Cl [3A2 and 2E ground states in Td, respectively] are reported. Evidence is presented that Cr5+ undergoes vibronic coupling effects of the Jahn-Teller type. Paramagnetic probe cations will only reflect the geometry of a host site, if they possess nondegenerate ground states in the respective symmetry and if their ionic radii are comparable to those of the host cations.

AB - The structures of the spodiosite-type compounds Sr2(MVO4)Cl [M = V, Cr] and the spectroscopic properties (EPR, ligand field) of Mn5+ - and Cr5+-doped Sr2(VO4)Cl [3A2 and 2E ground states in Td, respectively] are reported. Evidence is presented that Cr5+ undergoes vibronic coupling effects of the Jahn-Teller type. Paramagnetic probe cations will only reflect the geometry of a host site, if they possess nondegenerate ground states in the respective symmetry and if their ionic radii are comparable to those of the host cations.

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DO - 10.1006/jssc.1993.1341

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JF - Journal of Solid State Chemistry

IS - 1

ER -

The structure of Sr₂(VO₄)Cl and Sr₂(CrO₄)Cl and Spectroscopic Properties of Mn⁵⁺ - and Cr⁵⁺-Doped Sr₂(VO₄)Cl

Abstract

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