The ferromagnetic Kondo-lattice compound SmFe4P12

The ferromagnetic Kondo-lattice compound SmFe4P12
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铁磁近藤晶格化合物 SmFe4P12

DOI:
10.1088/0953-8984/15/14/101
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发表时间:
2003
期刊:
Journal of Physics: Condensed Matter
影响因子:
--
通讯作者:
M. Ishikawa
M. Ishikawa
中科院分区:
--
文献类型:
--
作者:
N. Takeda;M. Ishikawa

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我们报告的磁性填充方钴矿化合物,SmFe4P12。磁化率和比热测量表明,在1.6 K的铁磁转变。电阻率的温度依赖性表现出Kondo晶格行为,电子比热系数达到370 mJ mol−1 K−2。因此,该化合物是第一个发现具有铁磁基态的Sm基重费米子系统。近藤温度估计约为30 K。
We report on the magnetic properties of a filled skutterudite compound, SmFe4P12. Magnetic susceptibility and specific heat measurements revealed a ferromagnetic transition at 1.6 K. The temperature dependence of the electrical resistivity exhibits a Kondo-lattice behaviour and the electronic specific heat coefficient attains values as large as 370 mJ mol−1  K−2. This compound is thereby the first Sm-based heavy-fermion system found with a ferromagnetic ground state. The Kondo temperature is estimated to be about 30 K.
DOI: 10.1103/physrevb.65.100506
发表时间: 2002-03-01
期刊: PHYSICAL REVIEW B
影响因子: 3.7
作者:
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通讯作者: Maple, MB
DOI: 10.1103/physrevb.66.134411
发表时间: 2000-09
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影响因子: 3.7
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