抗磁性
锂(药物)
泡利不相容原理
热容
化学
层状结构
各向异性
磁化率
德拜模型
石墨
热力学
大气温度范围
插层(化学)
凝聚态物理
结晶学
物理
磁场
无机化学
医学
有机化学
量子力学
内分泌学
作者
P. Delhaès,Jean-Philippe Manceau,D. Guérard
标识
DOI:10.1016/0379-6779(80)90057-0
摘要
The second stage lamellar compound of graphite with lithium (LiC12) has been investigated by specific heat and magnetic susceptibility experiments at low temperatures. The heat capacity thermal variation in the He4 temperature range is fitted, as usual, with linear and cubic T-dependent terms. This fit allows us to calculate the density of levels at Fermi energy: N(EF) = 2.2 ± 0.2 eV−1 molecule−1 and the Debye temperature θD = 142 K for a mole of product. The magnetic measurements between 295 and 5 K, indicate a temperature independent term χexp = (0.85 ± 0.10)10−6 emu CGS g−1. After corrections for the usual core diamagnetism we obtain a mean Pauli component equal to (1.85 ± 0.2)10−4 emu CGS mole−1 which is about twice as large as expected from the above calculated N(EF). Comparison of these experimental data with those already obtained for the first stage compound has been made. Referring to other physical properties, such as e.p.r., and plasma resonance, it is shown that these materials behave as weakly anisotropic 3D electronic systems.
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