Metal—insulator transition of CuIr2(S,Se)4 under high pressure
✍ Scribed by J. Tang; T. Matsumoto; T. Furubayashi; T. Kosaka; S. Nagata; Y. Kato
- Book ID
- 114227777
- Publisher
- Elsevier Science
- Year
- 1998
- Tongue
- English
- Weight
- 170 KB
- Volume
- 177-181
- Category
- Article
- ISSN
- 0304-8853
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We have discovered the existence of metal-insulator transition at ~220 K in the new thiospinel CuIr2S 4. The electrical conductivity, a, for sintered-powder specimens drops abruptly from 2×102 S,cm -1 to 5×10-1S'cm -1 at TM\_I-~220 K with decreasing temperature. At temperatures T<TM\_ I, CuIr2S 4 ex
We have studied the electrical resistivity in a skutterudite compound PrFe 4 P 12 under high pressure. An antiferroquadrupolar ordering temperature T Q decreases monotonously with increasing pressure up to 2.4 GPa. Above 2.4 GPa, the metal-insulator (M-I) transition appears. By applying magnetic fie