Syntheses and characterization of the actinide manganese selenides ThMnSe3 and UMnSe3

Ismail Ijjaali; Kwasi Mitchell; Fu Qiang Huang; James A. Ibers

doi:10.1016/j.jssc.2003.08.004

Syntheses and characterization of the actinide manganese selenides ThMnSe₃ and UMnSe₃

Ismail Ijjaali, Kwasi Mitchell, Fu Qiang Huang, James A. Ibers^*

^*Corresponding author for this work

Chemistry

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

35 Scopus citations

Abstract

The AnMnSe₃ (An=Th, U) compounds were synthesized from high-temperature solid-state reactions of the constituent elements at 1223 and 1273K, respectively. Both compounds are isostructural with UFeS₃ and crystallize in the space group Cmcm of the orthorhombic system with four formula units in a cell. Cell constants (Å) at 153K are: ThMnSe ₃, 4.0304(4), 12.795(1), 9.2883(9); UMnSe₃, 3.931(5), 12.705(14), 9.148(10). The structure comprises layers of MnSe₆ octahedra that alternate with layers of AnSe₈ bicapped trigonal prisms along the b-axis. Because there are no Se-Se bonds in the structure of AnMnSe₃ the formal oxidation states of An/Mn/Se are 4+/2+/2-. UMnSe₃ is a ferromagnet with T_C=62K.

Original language	English (US)
Pages (from-to)	257-261
Number of pages	5
Journal	Journal of Solid State Chemistry
Volume	177
Issue number	1
DOIs	https://doi.org/10.1016/j.jssc.2003.08.004
State	Published - Jan 2004

Funding

This research was supported by the US National Science Foundation under Grant DMR00-96676 (J.A.I.) and a Ford Predoctoral Fellowship to K.M. Use was made of the Central Facilities supported by the MRSEC program of the National Science Foundation (DMR00-76097) at the Materials Research Center of Northwestern University.

Keywords

Crystal structure
Ferromagnet
Solid-state compound
Synthesis
Thorium manganese selenide
Uranium manganese selenide

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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10.1016/j.jssc.2003.08.004

Cite this

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title = "Syntheses and characterization of the actinide manganese selenides ThMnSe3 and UMnSe3",

abstract = "The AnMnSe3 (An=Th, U) compounds were synthesized from high-temperature solid-state reactions of the constituent elements at 1223 and 1273K, respectively. Both compounds are isostructural with UFeS3 and crystallize in the space group Cmcm of the orthorhombic system with four formula units in a cell. Cell constants ({\AA}) at 153K are: ThMnSe 3, 4.0304(4), 12.795(1), 9.2883(9); UMnSe3, 3.931(5), 12.705(14), 9.148(10). The structure comprises layers of MnSe6 octahedra that alternate with layers of AnSe8 bicapped trigonal prisms along the b-axis. Because there are no Se-Se bonds in the structure of AnMnSe3 the formal oxidation states of An/Mn/Se are 4+/2+/2-. UMnSe3 is a ferromagnet with TC=62K.",

keywords = "Crystal structure, Ferromagnet, Solid-state compound, Synthesis, Thorium manganese selenide, Uranium manganese selenide",

author = "Ismail Ijjaali and Kwasi Mitchell and Huang, {Fu Qiang} and Ibers, {James A.}",

note = "Funding Information: This research was supported by the US National Science Foundation under Grant DMR00-96676 (J.A.I.) and a Ford Predoctoral Fellowship to K.M. Use was made of the Central Facilities supported by the MRSEC program of the National Science Foundation (DMR00-76097) at the Materials Research Center of Northwestern University. ",

year = "2004",

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doi = "10.1016/j.jssc.2003.08.004",

language = "English (US)",

volume = "177",

pages = "257--261",

journal = "Journal of Solid State Chemistry",

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AU - Ijjaali, Ismail

AU - Mitchell, Kwasi

AU - Huang, Fu Qiang

AU - Ibers, James A.

N1 - Funding Information: This research was supported by the US National Science Foundation under Grant DMR00-96676 (J.A.I.) and a Ford Predoctoral Fellowship to K.M. Use was made of the Central Facilities supported by the MRSEC program of the National Science Foundation (DMR00-76097) at the Materials Research Center of Northwestern University.

PY - 2004/1

Y1 - 2004/1

N2 - The AnMnSe3 (An=Th, U) compounds were synthesized from high-temperature solid-state reactions of the constituent elements at 1223 and 1273K, respectively. Both compounds are isostructural with UFeS3 and crystallize in the space group Cmcm of the orthorhombic system with four formula units in a cell. Cell constants (Å) at 153K are: ThMnSe 3, 4.0304(4), 12.795(1), 9.2883(9); UMnSe3, 3.931(5), 12.705(14), 9.148(10). The structure comprises layers of MnSe6 octahedra that alternate with layers of AnSe8 bicapped trigonal prisms along the b-axis. Because there are no Se-Se bonds in the structure of AnMnSe3 the formal oxidation states of An/Mn/Se are 4+/2+/2-. UMnSe3 is a ferromagnet with TC=62K.

AB - The AnMnSe3 (An=Th, U) compounds were synthesized from high-temperature solid-state reactions of the constituent elements at 1223 and 1273K, respectively. Both compounds are isostructural with UFeS3 and crystallize in the space group Cmcm of the orthorhombic system with four formula units in a cell. Cell constants (Å) at 153K are: ThMnSe 3, 4.0304(4), 12.795(1), 9.2883(9); UMnSe3, 3.931(5), 12.705(14), 9.148(10). The structure comprises layers of MnSe6 octahedra that alternate with layers of AnSe8 bicapped trigonal prisms along the b-axis. Because there are no Se-Se bonds in the structure of AnMnSe3 the formal oxidation states of An/Mn/Se are 4+/2+/2-. UMnSe3 is a ferromagnet with TC=62K.

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KW - Solid-state compound

KW - Synthesis

KW - Thorium manganese selenide

KW - Uranium manganese selenide

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