Semiconducting ceramic compounds having negative resistance-temp

Details Semiconducting ceramic compounds having negative resistance-temp Semiconducting ceramic compounds having negative resistance-temp

1997-04-01

1999-01-12

Jones, Deborah

Compositions: ceramic

Ceramic compositions

Yttrium, lanthanide, actinide, or transactinide containing

501126, 252521, C04B 3550

Patent

active

058589023

ABSTRACT:
A semiconducting ceramic having negative resistance-temperature characteristics and a critical temperature consisting essentially of a rare-earth transition element oxide which is an oxide of a combination of samarium and nickel, wherein the samarium is partially replaced with Ln which is at least one other element selected from the group consisting of bismuth and rare-earth elements excluding lanthanum and cerium.

REFERENCES:
patent: 5302559 (1994-04-01), Mateika et al.
patent: 5703000 (1997-12-01), Nakayama et al.

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