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Solid state studies on Bi1.7-xHgxV8O 16 (x≤0.4) and magnetic properties of alkali metal inserted A xBi1.7V8O16 (A=Li and Na) hollandite type phases
Karthikeyan N. Marimuthu,
Published in
Volume: 96
Issue: 1
Pages: 22 - 28
The effect of substitution of 'Hg' at the Bi-site in Bi1.7V 8O16 on the phase formation and electrical properties has been studied. In Bi1.7-xHgxV8O16, single phase formation is achieved only for x ≤ 0.4 and all the phases crystallize in tetragonal structure. The dc electrical resistivity studies indicate that all the mercury substituted single phase compounds Bi 1.7-xHgxV8O16 are electrically semiconducting and the room temperature resistivity values increase with increasing mercury content. Alkali metals like lithium and sodium have been inserted successfully into the tunnels of Bi1.7V8O 16. The lithium intercalated phase Li2.7Bi 1.7V8O16 shows antiferromagnetic ordering, whereas the sodium intercalated phase NaBi1.7V8O 16 exhibits Pauli paramagnetic like behavior down to 4.5 K.
About the journal
JournalMaterials Chemistry and Physics
Open AccessNo
Concepts (11)
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    Bismuth compounds
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    Electric properties
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    Magnetic properties
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    Mercury (metal)
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    Phase composition
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    Synthesis (chemical)
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    Antiferromagnetic ordering
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    Phase formation
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    Inorganic compounds