New dielectric ceramics Pb(Cd)BiM/sup IV/SbO/sub 7/ (M/sup IV/ = Ti, Zr, Sn) with the pyrochlore structure
Journal Article
·
· Mater. Res. Bull.; (United States)
Dielectric ceramics have been obtained by natural sintering of pyrochlore phases with general formula Pb(Cd)BiM/sup IV/SbO/sub 7/ (M/sup IV/ = Ti, Zr, Sn). Low frequency dielectric characteristics have been studied with respect to the processing conditions: sintering without additive and in the presence of some low melting compounds (PbO, Pb/sub 5/Ge/sub 3/O/sub 11/, Bi/sub 12/PbO/sub 19/ and Bi/sub 12/CdO/sub 19/). The dielectric constants of these ceramics lie between 30 and 60, the dielectric losses range from 10 to 30.10/sup -4/ and the temperature coefficient of the dielectric constants (20 - 100/sup 0/C) can be tailored by means of additives in the +- 30 ppm K/sup -1/ range.
- Research Organization:
- Laboratoire de Chimie Minerale Structurale, U.A.C.N.R.S. n 320 Faculte des Sciences, 123, Avenue A. Thomas, 87060 Limoges-Cedex (FR)
- OSTI ID:
- 6419909
- Journal Information:
- Mater. Res. Bull.; (United States), Vol. 23:4
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
BISMUTH OXIDES
PHASE STUDIES
CADMIUM OXIDES
CERAMICS
DIELECTRIC PROPERTIES
GERMANIUM OXIDES
LEAD OXIDES
STILBAMIDINE
MELTING
PYROCHLORE
SINTERING
TEMPERATURE COEFFICIENT
TIN
TITANIUM
ZIRCONIUM
AMIDINES
BISMUTH COMPOUNDS
CADMIUM COMPOUNDS
CHALCOGENIDES
ELECTRICAL PROPERTIES
ELEMENTS
FABRICATION
GERMANIUM COMPOUNDS
LEAD COMPOUNDS
METALS
MINERALS
ORGANIC COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
OXIDES
OXYGEN COMPOUNDS
PHASE TRANSFORMATIONS
PHYSICAL PROPERTIES
REACTIVITY COEFFICIENTS
TRANSITION ELEMENTS
360201* - Ceramics
Cermets
& Refractories- Preparation & Fabrication
360202 - Ceramics
Cermets
& Refractories- Structure & Phase Studies
360204 - Ceramics
Cermets
& Refractories- Physical Properties
BISMUTH OXIDES
PHASE STUDIES
CADMIUM OXIDES
CERAMICS
DIELECTRIC PROPERTIES
GERMANIUM OXIDES
LEAD OXIDES
STILBAMIDINE
MELTING
PYROCHLORE
SINTERING
TEMPERATURE COEFFICIENT
TIN
TITANIUM
ZIRCONIUM
AMIDINES
BISMUTH COMPOUNDS
CADMIUM COMPOUNDS
CHALCOGENIDES
ELECTRICAL PROPERTIES
ELEMENTS
FABRICATION
GERMANIUM COMPOUNDS
LEAD COMPOUNDS
METALS
MINERALS
ORGANIC COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
OXIDES
OXYGEN COMPOUNDS
PHASE TRANSFORMATIONS
PHYSICAL PROPERTIES
REACTIVITY COEFFICIENTS
TRANSITION ELEMENTS
360201* - Ceramics
Cermets
& Refractories- Preparation & Fabrication
360202 - Ceramics
Cermets
& Refractories- Structure & Phase Studies
360204 - Ceramics
Cermets
& Refractories- Physical Properties