Pressure effect of electrical resistivity and AC specific heat in CePtAl

Autor: Taiki Ueda, Bernard Salce, Hisao Nakashima, Jacques Flouquet, Yoshinori Haga, Yoshichika Ōnuki, Masato Hedo, Georg Knebel, Naoyuki Tateiwa, Arumugam Thamizhavel, Yoshiya Uwatoko, Miho Nakashima, K. Izawa, Katsuya Shimizu, Rikio Settai
Rok vydání: 2007
Předmět:
Zdroj: Journal of Magnetism and Magnetic Materials. 310:e9-e11
ISSN: 0304-8853
DOI: 10.1016/j.jmmm.2006.10.056
Popis: We measured the electrical resistivity and AC-specific heat for a canted ferromagnet CePtAl under pressures using a diamond-anvil pressure cell. With increasing pressure, the magnetic ordering temperature T C 1 increases monotonously, becomes constant above 8 GPa and then starts to decrease steeply in a narrow pressure region from 10.3 to 10.9 GPa , indicating the first-order like phase transition. The similar pressure dependence of T C 1 was obtained in the AC-specific heat measurement.
Databáze: OpenAIRE