Synthesis and characterization of the crystal structure and magnetic properties of the ternary manganese vanadate NaMnVO4

Hamdi Yahia, Etienne Gaudin, Khalid Boulahya, Jacques Darriet, Won Joon Son, Myung Hwan Whangbo

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Abstract

A new ternary manganese vanadate, NaMnVO4, was synthesized by solid state reaction route, and its crystal structure and magnetic properties were characterized by X-ray diffraction, magnetic susceptibility and specific heat measurements, and by density functional calculations. NaMnVO4 crystallizes in the maricite-type structure with space group Pnma, a = 9.563(1) Å, b = 6.882(1) Å, c = 5.316(1) Å, and Z = 4. NaMnVO 4 contains MnO4 chains made up of edge-sharing MnO 6 octahedra, and these chains are interlinked by VO4 tetrahedra. The magnetic susceptibility has a broad maximum at Tmax = 24 K and follows the Curie-Weiss behavior above 70 K with θ = -62 K. NaMnVO4 undergoes a three-dimensional antiferromagnetic ordering at TN = 11.8 K. The spin exchanges of NaMnVO4 are dominated by the intrachain antiferromagnetic exchange, and the interchain spin exchanges are spin-frustrated. The most probable magnetic structure of the ordered magnetic state below TN was predicted on the basis of the extracted spin exchanges.

Original languageEnglish
Pages (from-to)8578-8582
Number of pages5
JournalInorganic Chemistry
Volume49
Issue number18
DOIs
Publication statusPublished - 20 Sep 2010
Externally publishedYes

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Vanadates
vanadates
spin exchange
Manganese
Magnetic susceptibility
X-Ray Diffraction
manganese
Magnetic properties
Hot Temperature
Crystal structure
magnetic properties
Thermal variables measurement
crystal structure
Magnetic structure
synthesis
Solid state reactions
Specific heat
Density functional theory
magnetic permeability
X ray diffraction

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Inorganic Chemistry

Cite this

Synthesis and characterization of the crystal structure and magnetic properties of the ternary manganese vanadate NaMnVO4. / Yahia, Hamdi; Gaudin, Etienne; Boulahya, Khalid; Darriet, Jacques; Son, Won Joon; Whangbo, Myung Hwan.

In: Inorganic Chemistry, Vol. 49, No. 18, 20.09.2010, p. 8578-8582.

Research output: Contribution to journalArticle

Yahia, Hamdi ; Gaudin, Etienne ; Boulahya, Khalid ; Darriet, Jacques ; Son, Won Joon ; Whangbo, Myung Hwan. / Synthesis and characterization of the crystal structure and magnetic properties of the ternary manganese vanadate NaMnVO4. In: Inorganic Chemistry. 2010 ; Vol. 49, No. 18. pp. 8578-8582.
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AU - Son, Won Joon

AU - Whangbo, Myung Hwan

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N2 - A new ternary manganese vanadate, NaMnVO4, was synthesized by solid state reaction route, and its crystal structure and magnetic properties were characterized by X-ray diffraction, magnetic susceptibility and specific heat measurements, and by density functional calculations. NaMnVO4 crystallizes in the maricite-type structure with space group Pnma, a = 9.563(1) Å, b = 6.882(1) Å, c = 5.316(1) Å, and Z = 4. NaMnVO 4 contains MnO4 chains made up of edge-sharing MnO 6 octahedra, and these chains are interlinked by VO4 tetrahedra. The magnetic susceptibility has a broad maximum at Tmax = 24 K and follows the Curie-Weiss behavior above 70 K with θ = -62 K. NaMnVO4 undergoes a three-dimensional antiferromagnetic ordering at TN = 11.8 K. The spin exchanges of NaMnVO4 are dominated by the intrachain antiferromagnetic exchange, and the interchain spin exchanges are spin-frustrated. The most probable magnetic structure of the ordered magnetic state below TN was predicted on the basis of the extracted spin exchanges.

AB - A new ternary manganese vanadate, NaMnVO4, was synthesized by solid state reaction route, and its crystal structure and magnetic properties were characterized by X-ray diffraction, magnetic susceptibility and specific heat measurements, and by density functional calculations. NaMnVO4 crystallizes in the maricite-type structure with space group Pnma, a = 9.563(1) Å, b = 6.882(1) Å, c = 5.316(1) Å, and Z = 4. NaMnVO 4 contains MnO4 chains made up of edge-sharing MnO 6 octahedra, and these chains are interlinked by VO4 tetrahedra. The magnetic susceptibility has a broad maximum at Tmax = 24 K and follows the Curie-Weiss behavior above 70 K with θ = -62 K. NaMnVO4 undergoes a three-dimensional antiferromagnetic ordering at TN = 11.8 K. The spin exchanges of NaMnVO4 are dominated by the intrachain antiferromagnetic exchange, and the interchain spin exchanges are spin-frustrated. The most probable magnetic structure of the ordered magnetic state below TN was predicted on the basis of the extracted spin exchanges.

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