Title :
Anomalous resistivity change in NiFe2O4 nanosized powders synthesized by pulsed wire discharge
Author :
Suematsu, Hisayuki ; Ishizaka, Kazuhiro ; Kinemuchi, Yoshiaki ; Suzuki, Tsuneo ; Jiang, Weihua ; Yatsui, Kiyoshi
Author_Institution :
Extreme Energy-Density Research Institute, Department of Electrical Engineering, Nagaoka University of Technology, 940-2188, Japan
Abstract :
Nanosized powders of nickel ferrite ( NiFe2O4 ) were synthesized by a powder synthesis method of pulsed wire discharge. Anomalous change in electrical resistivity in NiFe2O4 was observed above 200 °C in sintered NiFe2O4 nanosized powders. Here we show possible strong spin interactions in NiFe2O4.
Keywords :
Capacitors; Heating; Powders; Switches;
Conference_Titel :
High-Power Particle Beams (BEAMS), 2002 14th International Conference on
Conference_Location :
Albuquerque, NM, USA
Print_ISBN :
978-0-7354-0107-5
