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Resistivity anomalies of the diphosphate tungsten bronze Cs sub 1-x P sub 8 W sub 8 O sub 40 (x = 0-0. 46) and its partially substituted phases Cs sub x A sub y P sub 8 W sub 8 O sub 40 (A = Rb, Na) and CsP sub 8 W sub 8-x Mo sub x O sub 40 : Synthesis, physical property measurements, and band electronic structure calculations

Journal Article · · Inorganic Chemistry; (USA)
DOI:https://doi.org/10.1021/ic00311a040· OSTI ID:5111277
;  [1]; ;  [2];  [3]
  1. Rutgers, State Univ. of New Jersey, New Brunswick (USA)
  2. Universite de Paris-Sud, Orsay (France)
  3. North Carolina State Univ., Raleigh (USA)
+ Show Author Affiliations

The cesium phosphate tungsten bronze CsP{sub 8}W{sub 8}O{sub 40} exhibits a resistivity hump at {approx} 160 K and a resistivity upturn at {approx} 24 K. To understand the origin of these anomalies, we prepared cesium-deficient phases, Cs{sub 1-x}P{sub 8}W{sub 8}O{sub 40}, and alkali-metal- and molybdenum-substituted phases, Cs{sub x}A{sub y}P{sub 8}W{sub 8}O{sub 40} (x + y > 1) and CsP{sub 8}W{sub 8-x}Mo{sub x}O{sub 40}, and measured their electrical resistivities and magnetic susceptibilities. Those results are interpreted on the basis of the tight-binding band electronic structures calculated for the W{sub 4}O{sub 18} chain and the P{sub 8}W{sub 8}O{sub 40} lattice. 11 refs., 7 figs., 4 tabs.

DOE Contract Number:
FG05-86ER45259
OSTI ID:
5111277
Journal Information:
Inorganic Chemistry; (USA), Journal Name: Inorganic Chemistry; (USA) Vol. 28:12; ISSN 0020-1669; ISSN INOCA
Country of Publication:
United States
Language:
English

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Related Subjects

37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400201 -- Chemical & Physicochemical Properties
400400* -- Electrochemistry
ALKALI METAL COMPLEXES
ALKALI METAL COMPOUNDS
CESIUM COMPLEXES
CHALCOGENIDES
COMPLEXES
DATA
ELECTRONIC STRUCTURE
EXPERIMENTAL DATA
INFORMATION
MOLYBDENUM COMPOUNDS
NUMERICAL DATA
OXIDES
OXYGEN COMPOUNDS
PHOSPHORUS COMPOUNDS
PHYSICAL PROPERTIES
REFRACTORY METAL COMPOUNDS
RUBIDIUM COMPOUNDS
SODIUM COMPOUNDS
SODIUM OXIDES
SODIUM TUNGSTEN BRONZE
SYNTHESIS
TRANSITION ELEMENT COMPOUNDS
TUNGSTEN COMPOUNDS
TUNGSTEN OXIDES