Critical Behaviour of Sintered SrRuO3
HOU Deng-Lu1 , JIANG En-Yong1 , LI Feng-Wu2 , BAI Hai-Li1 , ZHOU Xue-Zhi3 , Henry KUNKEL3 , Gwyn WILLIAMS3
1 Department of Applied Physics, Tianjin University, Tianjin 300072
2 Faculty of Continuing Education, Yanshan University, Qinhuangdao 066004
3 Department of Physics, University of Manitoba, Winnipeg, Canada R3T 2N2
Critical Behaviour of Sintered SrRuO3
HOU Deng-Lu1 ;JIANG En-Yong1 ;LI Feng-Wu2 ; BAI Hai-Li1 ;ZHOU Xue-Zhi3 ;Henry KUNKEL3 ;Gwyn WILLIAMS3
1 Department of Applied Physics, Tianjin University, Tianjin 300072
2 Faculty of Continuing Education, Yanshan University, Qinhuangdao 066004
3 Department of Physics, University of Manitoba, Winnipeg, Canada R3T 2N2
关键词 ：
75.40.Cx ,
75.30.Cr ,
75.50.Dd
Abstract ： From the measurements of the ac susceptibility of SrRuO3 , we determine the critical temperature Tc =159.7±0.2 K and critical exponents δ =2.50±0.15(from the critical isotherm) or δ =3.17±0.20 (from magnetization versus magnetic field at Curie temperature), γ+β = 1.50±0.05 (from the temperature dependence of the internal field of the crossover line), and γ= 0.96±0.05 (from the temperature dependence of the susceptibility along the same line). These exponent values are very close to those predicted by the mean field model.
Key words ：
75.40.Cx
75.30.Cr
75.50.Dd
出版日期: 2002-05-01
:
75.40.Cx
(Static properties (order parameter, static susceptibility, heat capacities, critical exponents, etc.))
75.30.Cr
(Saturation moments and magnetic susceptibilities)
75.50.Dd
(Nonmetallic ferromagnetic materials)
引用本文:
HOU Deng-Lu;JIANG En-Yong;LI Feng-Wu; BAI Hai-Li;ZHOU Xue-Zhi;Henry KUNKEL;Gwyn WILLIAMS. Critical Behaviour of Sintered SrRuO3 [J]. 中国物理快报, 2002, 19(5): 733-735.
3 . Chin. Phys. Lett., 2002, 19(5): 733-735.
链接本文:
https://cpl.iphy.ac.cn/CN/
或
https://cpl.iphy.ac.cn/CN/Y2002/V19/I5/733
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