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Journal Article

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

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Citation

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.


Cite as: http://hdl.handle.net/11858/00-001M-0000-0019-BFF6-1
Abstract
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.