非晶态超导体的声子谱参数λ,〈ω〉和〈ω2〉与霍耳系数之间的经验关系

在大量的非过渡金属和合金中,非晶态超导体的声子谱参数λ,<ω>和<ω²>与霍耳系数R_H之间存在着一个经验关系:在R_H=-3.5—-4.0×10^-11m³/As之间存在着λ,<ω>和<ω²>的最大值。上述声子谱参数与相应的液态金属的霍耳系数R_HL之间也存在着一个和上述类似的经验关系。最后讨论了非晶态超导体的转变温度T_c的提高问题。 关键词：

THE EMPIRICAL CORRELATIONS BETWEEN PHONON SPECTRUM PARAMETERS λ,〈ω〉,〈ω2〉 AND THE HALL COEFFICIENTS OF AMORPHOUS SUPERCONDUCTORS

It is found that there is an empirical correlation between phonon spectrum parameters λ, 〈ω〉,〈ω²〉 and the Hall coefficients R_H in a variety of nontransition metals and alloys; there is a maximum of λ,〈ω〉 and 〈ω²〉 as RH =-3.5--4.0×10^-11m³/As. There is also a similar empirical correlation between λ, 〈ω〉, 〈ω²〉 and Hall coefficients R_HL of responding liquid metals. Finally, the question of raising T_c of amorphous superconductors is discussed.