Magnetic Field Dependence of the Susceptibility and Specific Heat in a (La, Gd) 
Al2 Spin Glass

Bredl, C. D.; Steglich, F.; Löhneysen, H. v.; Matho, K.

doi:10.1051/jphyscol:19786411

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Magnetic Field Dependence of the Susceptibility and Specific Heat in a (La, Gd) Al₂ Spin Glass

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引用

Bredl, C. D., Steglich, F., Löhneysen, H. v., & Matho, K. (1978). Magnetic Field Dependence of the Susceptibility and Specific Heat in a (La, Gd) Al₂ Spin Glass. Journal de Physique. Colloques, 39(C6), 925-927. doi:10.1051/jphyscol:19786411.

引用: https://hdl.handle.net/11858/00-001M-0000-0019-BFF6-1

要旨

The linear magnetic specific heat, Cm = γT, of (La0.92Gd0.08)Al2 is reduced in a magnetic field H. For H ≥ 1 tesla, γ(H) is explained within the RKKY model. The steep decrease of γ already in small fields (H ≤ 0.1 tesla) is compared to the strong depression of the susceptibility and interpreted as being due to the blocking of superparamagnetic clouds.