PEROVSKITE-TYPE OXIDE RESISTANCE-VARIABLE MATERIAL AND RESISTANCE-VARIABLE ELEMENT

PROBLEM TO BE SOLVED: To provide a resistance-variable material and an element using the same which is varied in a ranges of higher than 1×108Ωcm in bulk-shape form, in a bulk state, at zero magnetic field, and at a temperature range of 50-250°K. SOLUTION: A resistance-variable material comprises a...

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Hauptverfasser:	HASEYAMA HIDEETSU, YOSHIDA KAZUYOSHI, YAMAZAKI SADAO
Format:	Patent
Sprache:	eng
Schlagworte:	ARTIFICIAL STONE BASIC ELECTRIC ELEMENTS CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F CONCRETE ELECTRICITY INORGANIC CHEMISTRY LIME, MAGNESIA MEASURING MEASURING QUANTITY OF HEAT MEASURING TEMPERATURE METALLURGY PHYSICS REFRACTORIES RESISTORS SLAG TESTING THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR TREATMENT OF NATURAL STONE
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Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a resistance-variable material and an element using the same which is varied in a ranges of higher than 1×108Ωcm in bulk-shape form, in a bulk state, at zero magnetic field, and at a temperature range of 50-250°K. SOLUTION: A resistance-variable material comprises a perovskite-type manganese oxide composed of Tb1-xAxMnO3system (where A is one or more kinds of elements selected from among Ca, Ba, and Sr; and 0.1≤x≤0.5). COPYRIGHT: (C)2009,JPO&INPIT