Mixed alkali effect in nonconventional alkali gallotitanate glasses

Journal Article · Mon Feb 01 00:00:00 EST 1993 · Journal of the American Ceramic Society; (United States)

DOI:https://doi.org/10.1111/j.1151-2916.1993.tb03823.x· OSTI ID:6261251

Miyaji, Fumiaki; Hasegawa, Shinya; Yoko, Toshinobu; Sakka, Sumio ^[1]

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1. Kyoto Univ., Uji (Japan). Inst. for Chemical Research

The mixed alkali effect on electrical conductivity, that is, the reduction of conductivity due to alkali mixing, was observed in Na[sub 2]O-K[sub 2]O-Ga[sub 2]O[sub 3]-TiO[sub 2] glasses, which are nonconventional in the sense that glass-forming oxides defined by Zachariasen are not involved. The magnitude of the reduction in conductivity of the present glasses due to alkali mixing was similar to that of corresponding mixed alkali silicate and phosphate glasses. The activation energy for electrical conduction showed a maximum around the composition Na/(Na + K) = 0.5, where the conductivity was at a minimum.

• OSTI ID: 6261251
• Journal Information: Journal of the American Ceramic Society; (United States), Vol. 76:2; ISSN 0002-7820
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
GLASS
ELECTRIC CONDUCTIVITY
ALKALI METAL COMPOUNDS
ELECTRIC IMPEDANCE
ELECTRICAL PROPERTIES
GALLIUM OXIDES
PHOSPHATE GLASS
POTASSIUM OXIDES
SODIUM OXIDES
TITANIUM OXIDES
CHALCOGENIDES
GALLIUM COMPOUNDS
IMPEDANCE
OXIDES
OXYGEN COMPOUNDS
PHYSICAL PROPERTIES
POTASSIUM COMPOUNDS
SODIUM COMPOUNDS
TITANIUM COMPOUNDS
TRANSITION ELEMENT COMPOUNDS
360606* - Other Materials- Physical Properties- (1992-)